Alert archive / Alaska / Small Craft Advisories in 2017

Small Craft Advisory 322, NWS Anchorage, AK

April 21, 2017

NWS Anchorage, AK issued this small craft advisory at Apr 21, 2017, 4:00 AM AKDT. It was in force for 4 days.

The area

The counties it named.

The facts

Issued
Apr 21, 2017, 4:00 AM AKDT (12:00 UTC)
Expired
Apr 25, 2017, 3:03 AM AKDT
In force
4 days
Issued by
NWS Anchorage, AK

The text

As transmitted.

210 
FZAK52 PAFC 211200
CWFALU

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
400 AM AKDT FRI APR 21 2017

COASTAL WATERS FORECAST FOR SOUTHWEST ALASKA+BRISTOL BAY+THE
ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS UP TO 100 NM OUT.

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

PKZ199-220045-
400 AM AKDT FRI APR 21 2017
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...
A 978 MB LOW 220 NM SOUTH OF SHEMYA WILL REMAIN IN PLACE 
TONIGHT...THEN SHIFT TO 250 NM SOUTHEAST OF SHEMYA AT 984 MB BY 
SAT NIGHT. A FRONT OVER THE SOUTHERN GULF THIS MORNING WILL CROSS 
THE ALASKA PENINSULA TONIGHT AND MOVE TO THE EASTERN BERING SAT 
AFTERNOON. THE ASSOCIATED NORTH PACIFIC LOW WILL MOVE TO 170 NM 
SOUTHEAST OF SAND POINT AT 999 MB SAT MORNING...THEN DISSIPATE 
NEAR DUTCH HARBOR SAT AFTERNOON.

$$

PKZ150-220045-
SOUTH OF THE AK PENINSULA SITKINAK TO CASTLE CAPE-
400 AM AKDT FRI APR 21 2017

...GALE WARNING TONIGHT...

.TODAY...NE WIND INCREASING TO 30 KT. SEAS BUILDING TO 9 FT.
.TONIGHT...NE WIND 35 KT. SEAS 13 FT. RAIN.
.SAT...E WIND 30 KT. SEAS 13 FT. RAIN.
.SAT NIGHT...E WIND 25 KT. SEAS 12 FT.
.SUN THROUGH MON...SE WIND 15 KT. SEAS 8 FT.
.TUE...VARIABLE WIND 10 KT. SEAS 6 FT.

$$

PKZ155-220045-
SOUTH OF THE AK PENINSULA CASTLE CAPE TO CAPE SARICHEF-
400 AM AKDT FRI APR 21 2017

...SMALL CRAFT ADVISORY TONIGHT AND SATURDAY...

.TODAY...NE WIND INCREASING TO 20 KT. SEAS 6 FT.
.TONIGHT...NE WIND 25 KT. SEAS 10 FT.
.SAT...NE WIND 25 KT. SEAS 10 FT. RAIN.
.SAT NIGHT...SE WIND 20 KT. SEAS 10 FT.
.SUN...SE WIND 15 KT. SEAS 9 FT.
.MON...VARIABLE WIND 10 KT. SEAS 8 FT.
.TUE...VARIABLE WIND 10 KT. SEAS 7 FT.

$$

PKZ160-220045-
BRISTOL BAY-
400 AM AKDT FRI APR 21 2017

...SMALL CRAFT ADVISORY TONIGHT AND SATURDAY...

.TODAY...NE WIND INCREASING TO 20 KT. SEAS 3 FT.
.TONIGHT...NE WIND 25 KT. SEAS 4 FT.
.SAT...NE WIND 30 KT. SEAS 6 FT.
.SAT NIGHT...E WIND 30 KT. SEAS 5 FT.
.SUN...E WIND 25 KT. SEAS 4 FT.
.MON...E WIND 15 KT. SEAS 3 FT.
.TUE...E WIND 10 KT. SEAS 2 FT.

$$

PKZ165-220045-
PORT HEIDEN TO CAPE SARICHEF-
400 AM AKDT FRI APR 21 2017

...SMALL CRAFT ADVISORY TONIGHT AND SATURDAY...

.TODAY...E WIND INCREASING TO 20 KT. SEAS 3 FT.
.TONIGHT...E WIND 20 KT. FROM PORT MOLLER E, E WIND 20 KT BECOMING
NE 30 KT AFTER MIDNIGHT. SEAS 5 FT.
.SAT...NE WIND 30 KT. SEAS 8 FT.
.SAT NIGHT...E WIND 30 KT. SEAS 8 FT.
.SUN...E WIND 20 KT. SEAS 6 FT.
.MON...E WIND 15 KT. SEAS 3 FT.
.TUE...VARIABLE WIND 10 KT. SEAS 3 FT.

$$

PKZ170-220045-
CAPE SARICHEF TO NIKOLSKI BERING SIDE-
400 AM AKDT FRI APR 21 2017

...SMALL CRAFT ADVISORY THROUGH SATURDAY...

.TODAY...SE WIND INCREASING TO 25 KT. SEAS 4 FT.
.TONIGHT...SE WIND 30 KT. SEAS 6 FT.
.SAT...E WIND 25 KT. SEAS 6 FT.
.SAT NIGHT...E WIND 15 KT. SEAS 6 FT.
.SUN...SE WIND 15 KT. SEAS 6 FT.
.MON THROUGH TUE...VARIABLE WIND 10 KT. SEAS 4 FT.

$$

PKZ171-220045-
UNALASKA BAY-
400 AM AKDT FRI APR 21 2017

.TODAY...VARIABLE WIND TO 10 KT EARLY BECOMING SE WIND 15 KT. SEAS 2
FT.
.TONIGHT...SE WIND 15 KT. SEAS 2 FT.
.SAT...E WIND 15 KT DIMINISHING TO 10 KT IN THE AFTERNOON. SEAS
2 FT.
.SAT NIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT.
.SUN THROUGH TUE...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT.

$$

PKZ172-220045-
CAPE SARICHEF TO NIKOLSKI PACIFIC SIDE-
400 AM AKDT FRI APR 21 2017

...SMALL CRAFT ADVISORY THROUGH SATURDAY...

.TODAY...E WIND INCREASING TO 25 KT. SEAS 6 FT.
.TONIGHT...E WIND 30 KT. SEAS 9 FT.
.SAT...E WIND 25 KT. SEAS 10 FT.
.SAT NIGHT...VARIABLE WIND 10 KT. SEAS 10 FT.
.SUN THROUGH MON...S WIND 15 KT. SEAS 10 FT.
.TUE...SW WIND 15 KT. SEAS 7 FT.

$$

PKZ173-220045-
NIKLOSKI TO SEGUAM ISLAND BERING SIDE-
400 AM AKDT FRI APR 21 2017

...GALE WARNING THROUGH TONIGHT...

.TODAY...SE WIND 30 KT INCREASING TO 40 KT IN THE AFTERNOON. SEAS
7 FT BUILDING TO 12 FT IN THE AFTERNOON.
.TONIGHT...SE WIND 40 KT. SEAS 14 FT. RAIN.
.SAT...SE WIND 30 KT. SEAS 11 FT.
.SAT NIGHT...SE WIND 15 KT. SEAS 7 FT.
.SUN THROUGH MON...VARIABLE WIND 10 KT. SEAS 5 FT.
.TUE...VARIABLE WIND 10 KT. SEAS 6 FT.

$$

PKZ174-220045-
NIKOLSKI TO SEGUAM ISLAND PACIFIC SIDE-
400 AM AKDT FRI APR 21 2017

...GALE WARNING THROUGH TONIGHT...

.TODAY...SE WIND INCREASING TO 35 KT. SEAS BUILDING TO 14 FT.
.TONIGHT...SE WIND 35 KT. SEAS 14 FT. RAIN.
.SAT...SE WIND 30 KT DIMINISHING TO 15 KT IN THE AFTERNOON. SEAS
12 FT.
.SAT NIGHT...VARIABLE WIND 10 KT. SEAS 11 FT.
.SUN THROUGH TUE...SW WIND 15 KT. SEAS 9 FT.

$$

PKZ175-220045-
SEGUAM ISLAND TO ADAK BERING SIDE-
400 AM AKDT FRI APR 21 2017

...GALE WARNING THROUGH TONIGHT...

.TODAY...E WIND 30 KT INCREASING TO 40 KT IN THE AFTERNOON. SEAS
BUILDING TO 13 FT. PATCHY FOG. RAIN.
.TONIGHT...SE WIND 40 KT DIMINISHING TO 30 KT AFTER MIDNIGHT. SEAS
14 FT.
.SAT...SE WIND 20 KT. SEAS 9 FT.
.SAT NIGHT...E WIND 15 KT. SEAS 7 FT.
.SUN...E WIND 15 KT. SEAS 6 FT.
.MON THROUGH TUE...NW WIND 15 KT. SEAS 6 FT.

$$

PKZ176-220045-
SEGUAM ISLAND TO ADAK PACIFIC SIDE-
400 AM AKDT FRI APR 21 2017

...GALE WARNING TODAY...

.TODAY...SE WIND 35 KT. SEAS 14 FT. PATCHY FOG. RAIN.
.TONIGHT...S WIND 25 KT. SEAS 14 FT.
.SAT...S WIND 15 KT. SEAS 13 FT.
.SAT NIGHT...VARIABLE WIND 10 KT. SEAS 12 FT.
.SUN...NE WIND 15 KT. SEAS 11 FT.
.MON THROUGH TUE...W WIND 15 KT. SEAS 8 FT.

$$

PKZ177-220045-
ADAK TO KISKA-
400 AM AKDT FRI APR 21 2017

...SMALL CRAFT ADVISORY THROUGH SATURDAY...

.TODAY...E WIND 30 KT. SEAS 15 FT. PATCHY FOG.
.TONIGHT...E WIND 30 KT BECOMING SE 20 KT AFTER MIDNIGHT. SEAS
13 FT.
.SAT...SE WIND 20 KT. SEAS 12 FT.
.SAT NIGHT...E WIND 20 KT. SEAS 12 FT.
.SUN...N WIND 20 KT. SEAS 11 FT.
.MON...NW WIND 15 KT. SEAS 8 FT.
.TUE...N WIND 20 KT. SEAS 8 FT.

$$

PKZ178-220045-
KISKA TO ATTU-
400 AM AKDT FRI APR 21 2017

...GALE WARNING THROUGH SATURDAY...

.TODAY...NE WIND 35 KT. SEAS 19 FT.
.TONIGHT...NE WIND 35 KT. SEAS 16 FT.
.SAT...N WIND 35 KT. SEAS 17 FT.
.SAT NIGHT...E WIND 30 KT. SEAS 13 FT.
.SUN THROUGH MON...NE WIND 30 KT. SEAS 14 FT.
.TUE...N WIND 25 KT. SEAS 10 FT.

$$

PKZ179-220045-
PRIBILOF ISLANDS NEAR SHORE WATERS-
400 AM AKDT FRI APR 21 2017

...SMALL CRAFT ADVISORY TONIGHT AND SATURDAY...

.TODAY...E WIND INCREASING TO 20 KT. SEAS BUILDING TO 4 FT. PATCHY 
FOG.
.TONIGHT...E WIND 25 KT. SEAS 6 FT. PATCHY FOG AND FREEZING FOG.
.SAT...E WIND 25 KT. SEAS 7 FT. RAIN.
.SAT NIGHT...NE WIND 25 KT. SEAS 9 FT.
.SUN...E WIND 25 KT. SEAS 8 FT.
.MON...NE WIND 15 KT. SEAS 4 FT.
.TUE...VARIABLE WIND 10 KT. SEAS 3 FT.

$$

PKZ180-220045-
KUSKOKWIM DELTA AND ETOLIN STRAIT-
400 AM AKDT FRI APR 21 2017

...SMALL CRAFT ADVISORY TONIGHT AND SATURDAY...

.TODAY...E WIND INCREASING TO 20 KT. SEAS IN ICE FREE WATERS 4 FT. 
PATCHY FOG.
.TONIGHT...E WIND 25 KT. SEAS IN ICE FREE WATERS 5 FT.
.SAT...NE WIND 30 KT. SEAS IN ICE FREE WATERS 7 FT.
.SAT NIGHT...E WIND 30 KT. SEAS IN ICE FREE WATERS 8 FT.
.SUN...E WIND 25 KT. SEAS IN ICE FREE WATERS 7 FT.
.MON...E WIND 15 KT. SEAS IN ICE FREE WATERS 3 FT.
.TUE...NE WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT.

$$

PKZ181-220045-
NORTH AND WEST OF NUNIVAK ISLAND-
400 AM AKDT FRI APR 21 2017

.TODAY...E WIND 20 KT. SEAS IN ICE FREE WATERS 2 FT. PATCHY FOG.
.TONIGHT...E WIND 20 KT. SEAS IN ICE FREE WATERS 2 FT. PATCHY
FREEZING FOG.
.SAT...NE WIND 20 KT. SEAS IN ICE FREE WATERS 3 FT.
.SAT NIGHT...NE WIND 25 KT. SEAS IN ICE FREE WATERS 4 FT.
.SUN...NE WIND 25 KT. SEAS IN ICE FREE WATERS 3 FT.
.MON THROUGH TUE...NE WIND 15 KT. SEAS IN ICE FREE WATERS 2 FT.

$$

PKZ185-220045-
SAINT MATTHEW ISLAND WATERS-
400 AM AKDT FRI APR 21 2017

...SMALL CRAFT ADVISORY THROUGH SATURDAY...

.TODAY...E WIND 20 KT E OF SAINT MATTHEW ISLAND...NE 25 KT W OF
SAINT MATTHEW ISLAND. SEAS IN ICE FREE WATERS 6 FT.
.TONIGHT...E WIND 20 KT E OF SAINT MATTHEW ISLAND...E 25 KT W OF
SAINT MATTHEW ISLAND. SEAS IN ICE FREE WATERS 7 FT. PATCHY
FREEZING FOG.
.SAT...E WIND 20 KT E OF SAINT MATTHEW ISLAND...E 30 KT W OF SAINT
MATTHEW ISLAND. SEAS IN ICE FREE WATERS 9 FT.
.SAT NIGHT...NE WIND 30 KT. SEAS IN ICE FREE WATERS 11 FT.
.SUN...NE WIND 35 KT. SEAS IN ICE FREE WATERS 11 FT.
.MON THROUGH TUE...NE WIND 30 KT. SEAS IN ICE FREE WATERS 10 FT.

$$
8 follow-up statements
746 
FZAK52 PAFC 212310
CWFALU

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
310 PM AKDT FRI APR 21 2017

COASTAL WATERS FORECAST FOR SOUTHWEST ALASKA+BRISTOL BAY+THE
ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS UP TO 100 NM OUT.

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

PKZ199-221215-
310 PM AKDT FRI APR 21 2017
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...
A 978 MB LOW 260 NM SOUTH OF KISKA FRI AFTERNOON WILL MOVE TO 
100 NM SOUTH OF ATKA AND WEAKEN SUN AFTERNOON. A FRONT OVER THE 
WESTERN GULF OF ALASKA WILL CROSS THE ALASKA PENINSULA SAT NIGHT 
AND MOVE TO THE EASTERN BERING THROUGH SUN NIGHT.

$$

PKZ150-221215-
SOUTH OF THE AK PENINSULA SITKINAK TO CASTLE CAPE-
310 PM AKDT FRI APR 21 2017

...GALE WARNING TONIGHT...

.TONIGHT...NE WIND 35 KT. SEAS 13 FT. RAIN.
.SAT...E WIND 30 KT. SEAS 12 FT. RAIN.
.SAT NIGHT...SE WIND 25 KT. SEAS 11 FT.
.SUN...E WIND 20 KT. SEAS 9 FT.
.SUN NIGHT...E WIND 15 KT. SEAS 8 FT.
.MON THROUGH TUE...VARIABLE WIND 10 KT. SEAS 7 FT.
.WED...S WIND 15 KT. SEAS 8 FT.

$$

PKZ155-221215-
SOUTH OF THE AK PENINSULA CASTLE CAPE TO CAPE SARICHEF-
310 PM AKDT FRI APR 21 2017

...SMALL CRAFT ADVISORY THROUGH SATURDAY NIGHT...

.TONIGHT...NE WIND 25 KT. SEAS 10 FT.
.SAT...NE WIND 20 KT. SEAS 10 FT.
.SAT NIGHT...SE WIND 15 KT EXCEPT SE 20 KT FROM THE SHUMAGIN
ISLANDS E. SEAS 9 FT.
.SUN AND SUN NIGHT...SE WIND 15 KT. SEAS 9 FT.
.MON...VARIABLE WIND 10 KT. SEAS 8 FT.
.TUE...VARIABLE WIND 10 KT. SEAS 7 FT.
.WED...SW WIND 15 KT. SEAS 8 FT.

$$

PKZ160-221215-
BRISTOL BAY-
310 PM AKDT FRI APR 21 2017

...SMALL CRAFT ADVISORY THROUGH SATURDAY NIGHT...

.TONIGHT...E WIND 25 KT. SEAS 4 FT.
.SAT...NE WIND 30 KT. SEAS 6 FT.
.SAT NIGHT...E WIND 30 KT. SEAS 6 FT.
.SUN...E WIND 20 KT. SEAS 4 FT.
.SUN NIGHT...E WIND 15 KT. SEAS 3 FT.
.MON...E WIND 15 KT. SEAS 2 FT.
.TUE...E WIND 10 KT. SEAS 2 FT.
.WED...SW WIND 10 KT. SEAS 1 FOOT.

$$

PKZ165-221215-
PORT HEIDEN TO CAPE SARICHEF-
310 PM AKDT FRI APR 21 2017

...SMALL CRAFT ADVISORY THROUGH SATURDAY NIGHT...

.TONIGHT...E WIND 20 KT. FROM PORT MOLLER E...E WIND 20 KT BECOMING 
NE 30 KT AFTER MIDNIGHT. SEAS 5 FT.
.SAT...NE WIND 30 KT. SEAS 8 FT.
.SAT NIGHT...E WIND 30 KT. SEAS 8 FT.
.SUN...SE WIND 20 KT. SEAS 5 FT.
.SUN NIGHT...E WIND 15 KT. SEAS 4 FT.
.MON...E WIND 15 KT. SEAS 3 FT.
.TUE...VARIABLE WIND 10 KT. SEAS 3 FT.
.WED...VARIABLE WIND 10 KT. SEAS 3 FT.

$$

PKZ170-221215-
CAPE SARICHEF TO NIKOLSKI BERING SIDE-
310 PM AKDT FRI APR 21 2017

...SMALL CRAFT ADVISORY THROUGH SATURDAY...

.TONIGHT...SE WIND 25 KT. SEAS 6 FT.
.SAT...E WIND 25 KT. SEAS 6 FT.
.SAT NIGHT...E WIND 15 KT. SEAS 6 FT.
.SUN AND SUN NIGHT...SE WIND 15 KT. SEAS 6 FT.
.MON...SE WIND 15 KT. SEAS 4 FT.
.TUE...VARIABLE WIND 10 KT. SEAS 3 FT.
.WED...SW WIND 15 KT. SEAS 4 FT.

$$

PKZ171-221215-
UNALASKA BAY-
310 PM AKDT FRI APR 21 2017

.TONIGHT...SE WIND 15 KT. SEAS 2 FT.
.SAT...E WIND 15 KT DIMINISHING TO 10 KT IN THE AFTERNOON. SEAS
2 FT.
.SAT NIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT.
.SUN...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT.
.SUN NIGHT...SE WIND 10 KT. SEAS 2 FT.
.MON...SE WIND 10 KT. SEAS 2 FT.
.TUE...VARIABLE WIND LESS THAN 10 KT. SEAS 1 FOOT.
.WED...SW WIND 10 KT. SEAS 1 FOOT.

$$

PKZ172-221215-
CAPE SARICHEF TO NIKOLSKI PACIFIC SIDE-
310 PM AKDT FRI APR 21 2017

...SMALL CRAFT ADVISORY THROUGH SATURDAY NIGHT...

.TONIGHT...E WIND 25 KT. SEAS 9 FT.
.SAT...E WIND 25 KT. SEAS 10 FT.
.SAT NIGHT...VARIABLE WIND 10 KT. SEAS 10 FT.
.SUN...VARIABLE WIND 10 KT. SEAS 9 FT.
.SUN NIGHT...SE WIND 15 KT. SEAS 9 FT.
.MON...S WIND 15 KT. SEAS 9 FT.
.TUE THROUGH WED...SW WIND 15 KT. SEAS 8 FT.

$$

PKZ173-221215-
NIKLOSKI TO SEGUAM ISLAND BERING SIDE-
310 PM AKDT FRI APR 21 2017

...GALE WARNING TONIGHT...

.TONIGHT...SE WIND 40 KT. SEAS 14 FT. RAIN.
.SAT...E WIND 30 KT. SEAS 12 FT. RAIN.
.SAT NIGHT...E WIND 20 KT. SEAS 7 FT.
.SUN AND SUN NIGHT...SE WIND 15 KT. SEAS 6 FT.
.MON...SE WIND 15 KT. SEAS 6 FT.
.TUE...VARIABLE WIND 10 KT. SEAS 6 FT.
.WED...W WIND 15 KT. SEAS 6 FT.

$$

PKZ174-221215-
NIKOLSKI TO SEGUAM ISLAND PACIFIC SIDE-
310 PM AKDT FRI APR 21 2017

...GALE WARNING TONIGHT...

.TONIGHT...SE WIND 35 KT. SEAS 15 FT. RAIN.
.SAT...SE WIND 30 KT DIMINISHING TO 15 KT IN THE AFTERNOON. SEAS
12 FT.
.SAT NIGHT...VARIABLE WIND 10 KT. SEAS 10 FT.
.SUN...SE WIND 20 KT. SEAS 11 FT.
.SUN NIGHT...S WIND 15 KT. SEAS 11 FT.
.MON...S WIND 15 KT. SEAS 10 FT.
.TUE...SW WIND 15 KT. SEAS 8 FT.
.WED...W WIND 20 KT. SEAS 8 FT.

$$

PKZ175-221215-
SEGUAM ISLAND TO ADAK BERING SIDE-
310 PM AKDT FRI APR 21 2017

...GALE WARNING TONIGHT...

.TONIGHT...SE WIND 40 KT DIMINISHING TO 30 KT AFTER MIDNIGHT. SEAS
15 FT. RAIN.
.SAT...SE WIND 20 KT. SEAS 9 FT.
.SAT NIGHT...E WIND 20 KT. SEAS 7 FT.
.SUN AND SUN NIGHT...NE WIND 20 KT. SEAS 7 FT.
.MON...N WIND 15 KT. SEAS 7 FT.
.TUE THROUGH WED...NW WIND 15 KT. SEAS 6 FT.

$$

PKZ176-221215-
SEGUAM ISLAND TO ADAK PACIFIC SIDE-
310 PM AKDT FRI APR 21 2017

...SMALL CRAFT ADVISORY THROUGH SATURDAY NIGHT...

.TONIGHT...S WIND 30 KT DIMINISHING TO 20 KT AFTER MIDNIGHT. SEAS
14 FT.
.SAT...SE WIND 15 KT. SEAS 12 FT.
.SAT NIGHT...SE WIND 15 KT. SEAS 10 FT.
.SUN...E WIND 25 KT. SEAS 11 FT.
.SUN NIGHT...E WIND 15 KT. SEAS 11 FT.
.MON THROUGH TUE...W WIND 15 KT. SEAS 8 FT.
.WED...W WIND 20 KT. SEAS 7 FT.

$$

PKZ177-221215-
ADAK TO KISKA-
310 PM AKDT FRI APR 21 2017

...SMALL CRAFT ADVISORY THROUGH SATURDAY NIGHT...

.TONIGHT...E WIND 30 KT DIMINISHING TO SE 20 KT AFTER MIDNIGHT. SEAS
13 FT.
.SAT...SE WIND 20 KT. SEAS 12 FT.
.SAT NIGHT...NE WIND 20 KT. SEAS 11 FT.
.SUN AND SUN NIGHT...N WIND 20 KT. SEAS 9 FT.
.MON...N WIND 15 KT. SEAS 9 FT.
.TUE THROUGH WED...NW WIND 20 KT. SEAS 8 FT.

$$

PKZ178-221215-
KISKA TO ATTU-
310 PM AKDT FRI APR 21 2017

...GALE WARNING THROUGH SATURDAY...

.TONIGHT...NE WIND 35 KT. SEAS 17 FT. RAIN.
.SAT...NE WIND 40 KT DIMINISHING TO 30 KT IN THE AFTERNOON. E OF
SHEMYA...E WIND 15 KT. SEAS 18 FT DIMINISHING TO 12 FT.
.SAT NIGHT...NE WIND 30 KT. SEAS 13 FT.
.SUN AND SUN NIGHT...NE WIND 30 KT. SEAS 13 FT.
.MON...NE WIND 30 KT. SEAS 13 FT.
.TUE...N WIND 25 KT. SEAS 10 FT.
.WED...N WIND 20 KT. SEAS 9 FT.

$$

PKZ179-221215-
PRIBILOF ISLANDS NEAR SHORE WATERS-
310 PM AKDT FRI APR 21 2017

...SMALL CRAFT ADVISORY THROUGH SATURDAY NIGHT...

.TONIGHT...E WIND 25 KT. SEAS 6 FT. PATCHY FOG.
.SAT...E WIND 25 KT. SEAS 8 FT. RAIN.
.SAT NIGHT...E WIND 30 KT. SEAS 10 FT. RAIN AND SNOW.
.SUN...E WIND 25 KT. SEAS 9 FT.
.SUN NIGHT...E WIND 15 KT. SEAS 6 FT.
.MON...E WIND 15 KT. SEAS 4 FT.
.TUE...VARIABLE WIND 10 KT. SEAS 3 FT.
.WED...NE WIND 15 KT. SEAS 4 FT.

$$

PKZ180-221215-
KUSKOKWIM DELTA AND ETOLIN STRAIT-
310 PM AKDT FRI APR 21 2017

...SMALL CRAFT ADVISORY THROUGH SATURDAY NIGHT...

.TONIGHT...E WIND 25 KT. SEAS IN ICE FREE WATERS 5 FT. PATCHY FOG.
.SAT...E WIND 30 KT. SEAS IN ICE FREE WATERS 7 FT.
.SAT NIGHT...NE WIND 30 KT. SEAS IN ICE FREE WATERS 8 FT.
.SUN...E WIND 30 KT. SEAS IN ICE FREE WATERS 7 FT.
.SUN NIGHT...E WIND 20 KT. SEAS IN ICE FREE WATERS 5 FT.
.MON...E WIND 15 KT. SEAS IN ICE FREE WATERS 3 FT.
.TUE...NE WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT.
.WED...NW WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT.

$$

PKZ181-221215-
NORTH AND WEST OF NUNIVAK ISLAND-
310 PM AKDT FRI APR 21 2017

...SMALL CRAFT ADVISORY SATURDAY NIGHT...

.TONIGHT...E WIND 20 KT. SEAS IN ICE FREE WATERS 2 FT. PATCHY
FREEZING FOG.
.SAT...E WIND 20 KT. SEAS IN ICE FREE WATERS 3 FT.
.SAT NIGHT...NE WIND 25 KT. SEAS IN ICE FREE WATERS 4 FT.
.SUN...NE WIND 25 KT. SEAS IN ICE FREE WATERS 4 FT.
.SUN NIGHT...NE WIND 20 KT. SEAS IN ICE FREE WATERS 2 FT.
.MON THROUGH WED...N WIND 15 KT. SEAS IN ICE FREE WATERS 2 FT.

$$

PKZ185-221215-
SAINT MATTHEW ISLAND WATERS-
310 PM AKDT FRI APR 21 2017

...SMALL CRAFT ADVISORY THROUGH SATURDAY NIGHT...

.TONIGHT...E WIND 20 KT E OF SAINT MATTHEW ISLAND...E 25 KT W OF
SAINT MATTHEW ISLAND. SEAS IN ICE FREE WATERS 6 FT. PATCHY
FREEZING FOG.
.SAT...E WIND 25 KT. SEAS IN ICE FREE WATERS 9 FT.
.SAT NIGHT...NE WIND 30 KT. SEAS IN ICE FREE WATERS 10 FT.
.SUN...NE WIND 30 KT. SEAS IN ICE FREE WATERS 11 FT.
.SUN NIGHT...NE WIND 35 KT. SEAS IN ICE FREE WATERS 11 FT.
.MON THROUGH TUE...NE WIND 30 KT. SEAS IN ICE FREE WATERS 10 FT.
.WED...N WIND 25 KT. SEAS IN ICE FREE WATERS 8 FT.

$$
697 
FZAK52 PAFC 221202
CWFALU

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
402 AM AKDT SAT APR 22 2017

COASTAL WATERS FORECAST FOR SOUTHWEST ALASKA+BRISTOL BAY+THE
ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS UP TO 100 NM OUT.

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

PKZ199-230045-
402 AM AKDT SAT APR 22 2017
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...
A 977 MB LOW 250 NM SOUTHEAST OF SHEMYA WILL MOVE TO 170 NM SOUTH
OF ADAK AT 982 MB TONIGHT...THEN SHIFT TO 100 NM SOUTHEAST OF ADAK 
AT 978 MB SUN NIGHT. A FRONT APPROACHING BRISTOL BAY FROM THE GULF
WILL MOVE TO THE CENTRAL BERING TONIGHT AND WEAKEN THROUGH SUN 
NIGHT. 

$$

PKZ150-230045-
SOUTH OF THE AK PENINSULA SITKINAK TO CASTLE CAPE-
402 AM AKDT SAT APR 22 2017

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...E WIND 30 KT. GUSTS TO 45 KT NEAR SHELIKOF STRAIT IN THE
MORNING. SEAS 12 FT.
.TONIGHT...SE WIND 25 KT. SEAS 11 FT.
.SUN...E WIND 20 KT. SEAS 9 FT.
.SUN NIGHT...SE WIND 15 KT. SEAS 8 FT.
.MON THROUGH TUE...VARIABLE WIND 10 KT. SEAS 7 FT.
.WED...S WIND 15 KT. SEAS 7 FT.

$$

PKZ155-230045-
SOUTH OF THE AK PENINSULA CASTLE CAPE TO CAPE SARICHEF-
402 AM AKDT SAT APR 22 2017

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...NE WIND 25 KT. SEAS 10 FT.
.TONIGHT...SE WIND 20 KT. SEAS 8 FT.
.SUN...SE WIND 15 KT. SEAS 9 FT.
.SUN NIGHT...SE WIND 15 KT. SEAS 9 FT.
.MON THROUGH WED...S WIND 15 KT. SEAS 8 FT.

$$

PKZ160-230045-
BRISTOL BAY-
402 AM AKDT SAT APR 22 2017

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...NE WIND 30 KT. SEAS 6 FT.
.TONIGHT...E WIND 30 KT. SEAS 6 FT.
.SUN...E WIND 25 KT. SEAS 4 FT.
.SUN NIGHT...E WIND 20 KT. SEAS 3 FT.
.MON...E WIND 20 KT. SEAS 3 FT.
.TUE...E WIND 10 KT. SEAS 2 FT.
.WED...S WIND 10 KT. SEAS 1 FOOT.

$$

PKZ165-230045-
PORT HEIDEN TO CAPE SARICHEF-
402 AM AKDT SAT APR 22 2017

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...NE WIND 30 KT. SEAS 8 FT.
.TONIGHT...E WIND 20 KT. FROM PORT MOLLER E, E WIND 30 KT
DIMINISHING TO 20 KT AFTER MIDNIGHT. SEAS 8 FT.
.SUN...E WIND 20 KT. SEAS 5 FT.
.SUN NIGHT...E WIND 20 KT. SEAS 4 FT.
.MON...E WIND 15 KT. SEAS 4 FT.
.TUE...VARIABLE WIND 10 KT. SEAS 2 FT.
.WED...VARIABLE WIND 10 KT. SEAS 2 FT.

$$

PKZ170-230045-
CAPE SARICHEF TO NIKOLSKI BERING SIDE-
402 AM AKDT SAT APR 22 2017

...SMALL CRAFT ADVISORY TODAY...

.TODAY...E WIND 25 KT. SEAS 6 FT.
.TONIGHT...E WIND 15 KT. SEAS 5 FT.
.SUN...SE WIND 15 KT. SEAS 5 FT.
.SUN NIGHT...SE WIND 15 KT. SEAS 5 FT.
.MON THROUGH TUE...SE WIND 15 KT. SEAS 4 FT.
.WED...SW WIND 15 KT. SEAS 3 FT.

$$

PKZ171-230045-
UNALASKA BAY-
402 AM AKDT SAT APR 22 2017

.TODAY...E WIND 15 KT DIMINISHING TO 10 KT IN THE AFTERNOON. GUSTS TO
25 KT IN THE MORNING. SEAS 2 FT.
.TONIGHT...VARIABLE WIND LESS THAN 10 KT BECOMING S 10 KT AFTER
MIDNIGHT. SEAS 2 FT.
.SUN...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT.
.SUN NIGHT...SE WIND 10 KT. SEAS 2 FT.
.MON THROUGH TUE...SE WIND 10 KT. SEAS 2 FT.
.WED...SW WIND 10 KT. SEAS 2 FT.

$$

PKZ172-230045-
CAPE SARICHEF TO NIKOLSKI PACIFIC SIDE-
402 AM AKDT SAT APR 22 2017

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...E WIND 25 KT. SEAS 10 FT.
.TONIGHT...VARIABLE WIND 10 KT. SEAS 10 FT.
.SUN...VARIABLE WIND 10 KT. SEAS 10 FT.
.SUN NIGHT...SE WIND 15 KT. SEAS 9 FT.
.MON THROUGH WED...SW WIND 15 KT. SEAS 8 FT.

$$

PKZ173-230045-
NIKLOSKI TO SEGUAM ISLAND BERING SIDE-
402 AM AKDT SAT APR 22 2017

...SMALL CRAFT ADVISORY TODAY...

.TODAY...E WIND 30 KT. SEAS 12 FT. PATCHY FOG. RAIN.
.TONIGHT...E WIND 20 KT. SEAS 7 FT.
.SUN...SE WIND 20 KT. SEAS 5 FT.
.SUN NIGHT...SE WIND 20 KT. SEAS 6 FT.
.MON...SE WIND 15 KT. SEAS 7 FT.
.TUE...VARIABLE WIND 10 KT. SEAS 4 FT.
.WED...W WIND 15 KT. SEAS 5 FT.

$$

PKZ174-230045-
NIKOLSKI TO SEGUAM ISLAND PACIFIC SIDE-
402 AM AKDT SAT APR 22 2017

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...SE WIND 30 KT DIMINISHING TO 20 KT IN THE AFTERNOON. SEAS
12 FT. PATCHY FOG.
.TONIGHT...VARIABLE WIND 10 KT. SEAS 11 FT.
.SUN...SE WIND 20 KT. SEAS 11 FT.
.SUN NIGHT...SE WIND 15 KT. SEAS 11 FT.
.MON...S WIND 15 KT. SEAS 10 FT.
.TUE...SW WIND 15 KT. SEAS 7 FT.
.WED...W WIND 20 KT. SEAS 6 FT.

$$

PKZ175-230045-
SEGUAM ISLAND TO ADAK BERING SIDE-
402 AM AKDT SAT APR 22 2017

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...SE WIND 25 KT. SEAS 9 FT. PATCHY FOG.
.TONIGHT...E WIND 20 KT. SEAS 8 FT.
.SUN...E WIND 20 KT. SEAS 6 FT.
.SUN NIGHT...E WIND 20 KT. SEAS 7 FT.
.MON THROUGH TUE...N WIND 15 KT. SEAS 6 FT.
.WED...NW WIND 20 KT. SEAS 6 FT.

$$

PKZ176-230045-
SEGUAM ISLAND TO ADAK PACIFIC SIDE-
402 AM AKDT SAT APR 22 2017

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...SE WIND 15 KT. SEAS 12 FT. PATCHY FOG.
.TONIGHT...SE WIND 15 KT. SEAS 12 FT.
.SUN...E WIND 20 KT. SEAS 12 FT.
.SUN NIGHT...E WIND 20 KT. SEAS 11 FT.
.MON THROUGH TUE...W WIND 15 KT. SEAS 8 FT.
.WED...NW WIND 20 KT. SEAS 6 FT.

$$

PKZ177-230045-
ADAK TO KISKA-
402 AM AKDT SAT APR 22 2017

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...SE WIND 20 KT. SEAS 11 FT.
.TONIGHT...NE WIND 25 KT. SEAS 11 FT.
.SUN...NE WIND 25 KT. SEAS 10 FT.
.SUN NIGHT...N WIND 20 KT. SEAS 9 FT.
.MON THROUGH WED...NW WIND 20 KT. SEAS 9 FT.

$$

PKZ178-230045-
KISKA TO ATTU-
402 AM AKDT SAT APR 22 2017

...GALE WARNING TODAY...

.TODAY...NE WIND 40 KT. SEAS 17 FT. RAIN AND SNOW.
.TONIGHT...NE WIND 30 KT. SEAS 13 FT.
.SUN...NE WIND 30 KT. SEAS 12 FT.
.SUN NIGHT...N WIND 30 KT. SEAS 14 FT.
.MON...N WIND 30 KT. SEAS 14 FT.
.TUE...N WIND 25 KT. SEAS 10 FT.
.WED...NW WIND 20 KT. SEAS 9 FT.

$$

PKZ179-230045-
PRIBILOF ISLANDS NEAR SHORE WATERS-
402 AM AKDT SAT APR 22 2017

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...E WIND INCREASING TO 25 KT. SEAS BUILDING TO 7 FT. RAIN.
.TONIGHT...NE WIND 30 KT. SEAS 9 FT. RAIN WITH SNOW.
.SUN...E WIND 25 KT DIMINISHING TO 15 KT IN THE AFTERNOON. SEAS
8 FT.
.SUN NIGHT...E WIND 15 KT. SEAS 5 FT.
.MON...E WIND 15 KT. SEAS 5 FT.
.TUE THROUGH WED...VARIABLE WIND 10 KT. SEAS 3 FT.

$$

PKZ180-230045-
KUSKOKWIM DELTA AND ETOLIN STRAIT-
402 AM AKDT SAT APR 22 2017

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...NE WIND INCREASING TO 30 KT. SEAS IN ICE FREE WATERS
BUILDING TO 8 FT.
.TONIGHT...NE WIND 30 KT. SEAS IN ICE FREE WATERS 8 FT. SNOW.
.SUN...E WIND 25 KT. SEAS IN ICE FREE WATERS 7 FT.
.SUN NIGHT...E WIND 20 KT. SEAS IN ICE FREE WATERS 5 FT.
.MON...E WIND 20 KT. SEAS IN ICE FREE WATERS 4 FT.
.TUE THROUGH WED...SE WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT.

$$

PKZ181-230045-
NORTH AND WEST OF NUNIVAK ISLAND-
402 AM AKDT SAT APR 22 2017

...SMALL CRAFT ADVISORY TONIGHT AND SUNDAY...

.TODAY...E WIND 20 KT. SEAS IN ICE FREE WATERS 3 FT.
.TONIGHT...NE WIND 25 KT. SEAS IN ICE FREE WATERS 4 FT.
.SUN...NE WIND 25 KT. SEAS IN ICE FREE WATERS 4 FT.
.SUN NIGHT...NE WIND 20 KT. SEAS IN ICE FREE WATERS 2 FT.
.MON THROUGH WED...N WIND 15 KT. SEAS IN ICE FREE WATERS 2 FT.

$$

PKZ185-230045-
SAINT MATTHEW ISLAND WATERS-
402 AM AKDT SAT APR 22 2017

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...E WIND 25 KT. SEAS IN ICE FREE WATERS 8 FT.
.TONIGHT...NE WIND 30 KT. SEAS IN ICE FREE WATERS 10 FT.
.SUN...NE WIND 30 KT. SEAS IN ICE FREE WATERS 10 FT.
.SUN NIGHT...NE WIND 30 KT. SEAS IN ICE FREE WATERS 10 FT.
.MON...NE WIND 30 KT. SEAS IN ICE FREE WATERS 9 FT.
.TUE THROUGH WED...NE WIND 25 KT. SEAS IN ICE FREE WATERS 8 FT.

$$
185 
FZAK52 PAFC 222302
CWFALU

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
302 PM AKDT SAT APR 22 2017

COASTAL WATERS FORECAST FOR SOUTHWEST ALASKA+BRISTOL BAY+THE
ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS UP TO 100 NM OUT.

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

PKZ199-231230-
302 PM AKDT SAT APR 22 2017
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 981 MB LOW 270 NM SOUTHWEST OF ADAK MOVES TO 90 NM SOUTH OF ATKA 
AT 983 MB WITH THE ASSOCIATED FRONT CURLING AHEAD OF THE LOW 
BEFORE TRAILING BACK ACROSS THE NORTH PACIFIC THROUGH MON 
AFTERNOON. WEAK TROUGHS PUSH WESTWARD OVER THE BERING SEA THROUGH 
MON AFTERNOON.

$$

PKZ150-231230-
SOUTH OF THE AK PENINSULA SITKINAK TO CASTLE CAPE-
302 PM AKDT SAT APR 22 2017

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

.TONIGHT...E WIND 25 KT. SEAS 10 FT.
.SUN...E WIND 20 KT. SEAS 9 FT.
.SUN NIGHT...SE WIND 15 KT. SEAS 8 FT.
.MON AND MON NIGHT...SE WIND 10 KT. SEAS 7 FT.
.TUE...VARIABLE WIND 10 KT. SEAS 6 FT.
.WED...S WIND 15 KT. SEAS 7 FT.
.THU...SW WIND 20 KT. SEAS 7 FT.

$$

PKZ155-231230-
SOUTH OF THE AK PENINSULA CASTLE CAPE TO CAPE SARICHEF-
302 PM AKDT SAT APR 22 2017

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

.TONIGHT...SE WIND 15 KT. SEAS 8 FT.
.SUN AND SUN NIGHT...SE WIND 15 KT. SEAS 9 FT.
.MON AND MON NIGHT...SE WIND 15 KT. SEAS 8 FT.
.TUE THROUGH WED...S WIND 15 KT. SEAS 7 FT.
.THU...SW WIND 20 KT. SEAS 7 FT.

$$

PKZ160-231230-
BRISTOL BAY-
302 PM AKDT SAT APR 22 2017

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TONIGHT...E WIND 30 KT. SEAS 5 FT.
.SUN...E WIND 25 KT. SEAS 4 FT.
.SUN NIGHT...E WIND 20 KT. SEAS 3 FT.
.MON...E WIND 20 KT. SEAS 3 FT.
.MON NIGHT...SE WIND 15 KT. SEAS 2 FT.
.TUE...SE WIND 10 KT. SEAS 1 FOOT.
.WED...S WIND 10 KT. SEAS 1 FOOT.
.THU...SW WIND 10 KT. SEAS 2 FT.

$$

PKZ165-231230-
PORT HEIDEN TO CAPE SARICHEF-
302 PM AKDT SAT APR 22 2017

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...E WIND 20 KT. FROM PORT MOLLER E...E WIND 30 KT 
DIMINISHING TO 20 KT AFTER MIDNIGHT. SEAS 7 FT.
.SUN...SE WIND 10 KT...EXCEPT E 20 KT FROM PORT MOLLER E. SEAS 5 FT.
.SUN NIGHT...SE WIND 10 KT...EXCEPT E 20 KT FROM PORT MOLLER E. SEAS
4 FT.
.MON AND MON NIGHT...SE WIND 15 KT. SEAS 3 FT.
.TUE...E WIND 15 KT. SEAS 2 FT.
.WED...VARIABLE WIND 10 KT. SEAS 2 FT.
.THU...W WIND 15 KT. SEAS 3 FT.

$$

PKZ170-231230-
CAPE SARICHEF TO NIKOLSKI BERING SIDE-
302 PM AKDT SAT APR 22 2017

.TONIGHT...E WIND 20 KT. SEAS 5 FT.
.SUN AND SUN NIGHT...SE WIND 15 KT. SEAS 5 FT.
.MON...SE WIND 15 KT. SEAS 4 FT.
.MON NIGHT...SE WIND 10 KT. SEAS 3 FT.
.TUE...SE WIND 15 KT. SEAS 3 FT.
.WED...SW WIND 15 KT. SEAS 3 FT.
.THU...NW WIND 15 KT. SEAS 4 FT.

$$

PKZ171-231230-
UNALASKA BAY-
302 PM AKDT SAT APR 22 2017

.TONIGHT...SE WIND 10 KT. SEAS 2 FT. RAIN SHOWERS.
.SUN...SE WIND LESS THAN 10 KT INCREASING TO 10 KT IN THE AFTERNOON.
SEAS 2 FT.
.SUN NIGHT...SE WIND 10 KT. SEAS 2 FT.
.MON...SE WIND 10 KT. SEAS 2 FT.
.MON NIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS 1 FT.
.TUE...SE WIND 10 KT. SEAS 1 FOOT.
.WED...SW WIND 10 KT. SEAS 2 FT.
.THU...W WIND 10 KT. SEAS 2 FT.

$$

PKZ172-231230-
CAPE SARICHEF TO NIKOLSKI PACIFIC SIDE-
302 PM AKDT SAT APR 22 2017

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

.TONIGHT...SE WIND 20 KT. SEAS 10 FT.
.SUN AND SUN NIGHT...SE WIND 15 KT. SEAS 9 FT.
.MON...SE WIND 10 KT. SEAS 9 FT.
.MON NIGHT...S WIND 15 KT. SEAS 8 FT.
.TUE THROUGH WED...SW WIND 15 KT. SEAS 7 FT.
.THU...W WIND 20 KT. SEAS 7 FT.

$$

PKZ173-231230-
NIKLOSKI TO SEGUAM ISLAND BERING SIDE-
302 PM AKDT SAT APR 22 2017

.TONIGHT...E WIND 20 KT. SEAS 7 FT.
.SUN...SE WIND 20 KT. SEAS 5 FT.
.SUN NIGHT...E WIND 20 KT. SEAS 6 FT.
.MON AND MON NIGHT...E WIND 15 KT. SEAS 6 FT.
.TUE...SE WIND 15 KT. SEAS 5 FT.
.WED THROUGH THU...NW WIND 15 KT. SEAS 5 FT.

$$

PKZ174-231230-
NIKOLSKI TO SEGUAM ISLAND PACIFIC SIDE-
302 PM AKDT SAT APR 22 2017

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

.TONIGHT...SE WIND 10 KT. SEAS 10 FT.
.SUN AND SUN NIGHT...SE WIND 20 KT. SEAS 11 FT.
.MON AND MON NIGHT...S WIND 15 KT. SEAS 9 FT.
.TUE...SW WIND 20 KT. SEAS 7 FT.
.WED THROUGH THU...NW WIND 20 KT. SEAS 6 FT.

$$

PKZ175-231230-
SEGUAM ISLAND TO ADAK BERING SIDE-
302 PM AKDT SAT APR 22 2017

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...E WIND 20 KT. SEAS 8 FT.
.SUN...E WIND 20 KT. SEAS 6 FT.
.SUN NIGHT...E WIND 20 KT. SEAS 7 FT.
.MON AND MON NIGHT...NE WIND 15 KT. SEAS 7 FT.
.TUE...N WIND 15 KT. SEAS 5 FT.
.WED THROUGH THU...NW WIND 20 KT. SEAS 6 FT.

$$

PKZ176-231230-
SEGUAM ISLAND TO ADAK PACIFIC SIDE-
302 PM AKDT SAT APR 22 2017

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

.TONIGHT...E WIND 15 KT. SEAS 11 FT.
.SUN...E WIND 20 KT. SEAS 11 FT.
.SUN NIGHT...E WIND 20 KT. SEAS 10 FT.
.MON...E WIND 15 KT. SEAS 8 FT.
.MON NIGHT...N WIND 15 KT. SEAS 7 FT.
.TUE...NW WIND 15 KT. SEAS 6 FT.
.WED THROUGH THU...NW WIND 20 KT. SEAS 6 FT.

$$

PKZ177-231230-
ADAK TO KISKA-
302 PM AKDT SAT APR 22 2017

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

.TONIGHT...NE WIND 25 KT. SEAS 11 FT.
.SUN...NE WIND 25 KT. SEAS 10 FT.
.SUN NIGHT...N WIND 20 KT. SEAS 8 FT.
.MON...N WIND 20 KT. SEAS 8 FT.
.MON NIGHT...N WIND 15 KT. SEAS 8 FT.
.TUE THROUGH WED...NW WIND 20 KT. SEAS 8 FT.
.THU...W WIND 20 KT. SEAS 7 FT.

$$

PKZ178-231230-
KISKA TO ATTU-
302 PM AKDT SAT APR 22 2017

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

.TONIGHT...NE WIND 30 KT. SEAS 13 FT.
.SUN...N WIND 30 KT. SEAS 12 FT.
.SUN NIGHT...N WIND 30 KT. SEAS 14 FT.
.MON...N WIND 30 KT. SEAS 13 FT.
.MON NIGHT...N WIND 25 KT. SEAS 11 FT.
.TUE...N WIND 25 KT. SEAS 10 FT.
.WED...NW WIND 20 KT. SEAS 9 FT.
.THU...SW WIND 25 KT. SEAS 7 FT.

$$

PKZ179-231230-
PRIBILOF ISLANDS NEAR SHORE WATERS-
302 PM AKDT SAT APR 22 2017

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...NE WIND 25 KT. SEAS 8 FT. RAIN AND SNOW SHOWERS.
.SUN...E WIND 20 KT. SEAS 7 FT.
.SUN NIGHT...E WIND 15 KT. SEAS 5 FT.
.MON...E WIND 15 KT. SEAS 4 FT.
.MON NIGHT...VARIABLE WIND 10 KT. SEAS 3 FT.
.TUE THROUGH WED...VARIABLE WIND 10 KT. SEAS 3 FT.
.THU...N WIND 15 KT. SEAS 3 FT.

$$

PKZ180-231230-
KUSKOKWIM DELTA AND ETOLIN STRAIT-
302 PM AKDT SAT APR 22 2017

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TONIGHT...NE WIND 30 KT. SEAS IN ICE FREE WATERS 8 FT.
.SUN...E WIND 25 KT. SEAS IN ICE FREE WATERS 7 FT.
.SUN NIGHT...E WIND 20 KT. SEAS IN ICE FREE WATERS 5 FT.
.MON...E WIND 20 KT. SEAS IN ICE FREE WATERS 4 FT.
.MON NIGHT...SE WIND 10 KT. SEAS IN ICE FREE WATERS 3 FT.
.TUE THROUGH WED...SE WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT.
.THU...NW WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT.

$$

PKZ181-231230-
NORTH AND WEST OF NUNIVAK ISLAND-
302 PM AKDT SAT APR 22 2017

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TONIGHT...NE WIND 25 KT. SEAS IN ICE FREE WATERS 4 FT.
.SUN...NE WIND 25 KT. SEAS IN ICE FREE WATERS 4 FT.
.SUN NIGHT...NE WIND 20 KT. SEAS IN ICE FREE WATERS 2 FT.
.MON AND MON NIGHT...NE WIND 15 KT. SEAS IN ICE FREE WATERS 2 FT.
.TUE...E WIND 15 KT. SEAS IN ICE FREE WATERS 1 FOOT.
.WED THROUGH THU...N WIND 15 KT. SEAS IN ICE FREE WATERS 2 FT.

$$

PKZ185-231230-
SAINT MATTHEW ISLAND WATERS-
302 PM AKDT SAT APR 22 2017

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

.TONIGHT...NE WIND 30 KT. SEAS IN ICE FREE WATERS 10 FT.
.SUN...NE WIND 30 KT. SEAS IN ICE FREE WATERS 10 FT.
.SUN NIGHT...NE WIND 20 KT E OF SAINT MATTHEW ISLAND...NE 30 KT W OF
SAINT MATTHEW ISLAND. SEAS IN ICE FREE WATERS 10 FT.
.MON AND MON NIGHT...NE WIND 30 KT. SEAS IN ICE FREE WATERS 9 FT.
.TUE THROUGH WED...NE WIND 25 KT. SEAS IN ICE FREE WATERS 8 FT.
.THU...N WIND 20 KT. SEAS IN ICE FREE WATERS 5 FT.

$$
583 
FZAK52 PAFC 231158
CWFALU

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
358 AM AKDT SUN APR 23 2017

COASTAL WATERS FORECAST FOR SOUTHWEST ALASKA+BRISTOL BAY+THE
ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS UP TO 100 NM OUT.

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

PKZ199-240030-
358 AM AKDT SUN APR 23 2017
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...
A 982 MB LOW 200 NM SOUTH OF ADAK MOVES TO 80 NM SOUTHEAST OF ATKA 
AT 979 MB MON MORNING AND THEN TO NEAR SEGUAM ISLAND AT 984 MB 
MON NIGHT. WEAK TROUGHS ROTATE WESTWARD OVER THE BERING SEA 
THROUGH MON NIGHT.

$$

PKZ150-240030-
SOUTH OF THE AK PENINSULA SITKINAK TO CASTLE CAPE-
358 AM AKDT SUN APR 23 2017

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...E WIND 20 KT. SEAS 9 FT.
.TONIGHT...SE WIND 15 KT. SEAS 8 FT.
.MON...VARIABLE WIND 10 KT. SEAS 7 FT.
.MON NIGHT...VARIABLE WIND 10 KT. SEAS 6 FT.
.TUE...VARIABLE WIND 10 KT. SEAS 6 FT.
.WED THROUGH THU...SW WIND 15 KT. SEAS 7 FT.

$$

PKZ155-240030-
SOUTH OF THE AK PENINSULA CASTLE CAPE TO CAPE SARICHEF-
358 AM AKDT SUN APR 23 2017

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...SE WIND 15 KT. SEAS 9 FT.
.TONIGHT...SE WIND 15 KT. SEAS 9 FT.
.MON...SE WIND 15 KT. SEAS 8 FT.
.MON NIGHT...SE WIND 15 KT. SEAS 8 FT.
.TUE THROUGH THU...SW WIND 15 KT. SEAS 7 FT.

$$

PKZ160-240030-
BRISTOL BAY-
358 AM AKDT SUN APR 23 2017

.TODAY...E WIND 20 KT. SEAS 4 FT.
.TONIGHT...E WIND 20 KT. SEAS 3 FT.
.MON...E WIND 20 KT. SEAS 3 FT.
.MON NIGHT...SE WIND 15 KT. SEAS 2 FT.
.TUE...SE WIND 10 KT. SEAS 1 FOOT.
.WED THROUGH THU...SW WIND 10 KT. SEAS 2 FT.

$$

PKZ165-240030-
PORT HEIDEN TO CAPE SARICHEF-
358 AM AKDT SUN APR 23 2017

.TODAY...E WIND 20 KT. SEAS 4 FT. PATCHY FOG.
.TONIGHT...E WIND 15 KT EXCEPT E 20 KT FROM PORT MOLLER E. SEAS
3 FT.
.MON...SE WIND 15 KT. SEAS 3 FT.
.MON NIGHT...SE WIND 15 KT. SEAS 3 FT.
.TUE THROUGH WED...S WIND 15 KT. SEAS 2 FT.
.THU...VARIABLE WIND 10 KT. SEAS 2 FT.

$$

PKZ170-240030-
CAPE SARICHEF TO NIKOLSKI BERING SIDE-
358 AM AKDT SUN APR 23 2017

.TODAY...SE WIND 15 KT. SEAS 5 FT.
.TONIGHT...SE WIND 15 KT. SEAS 4 FT.
.MON...SE WIND 15 KT. SEAS 4 FT.
.MON NIGHT...SE WIND 15 KT. SEAS 3 FT.
.TUE THROUGH WED...S WIND 15 KT. SEAS 4 FT.
.THU...W WIND 15 KT. SEAS 4 FT.

$$

PKZ171-240030-
UNALASKA BAY-
358 AM AKDT SUN APR 23 2017

.TODAY...SE WIND 10 KT. SEAS 2 FT.
.TONIGHT...SE WIND 10 KT. SEAS 2 FT.
.MON...SE WIND 10 KT. SEAS 2 FT.
.MON NIGHT...SE WIND 10 KT. SEAS 2 FT.
.TUE THROUGH WED...S WIND 10 KT. SEAS 1 FOOT.
.THU...W WIND 10 KT. SEAS 2 FT.

$$

PKZ172-240030-
CAPE SARICHEF TO NIKOLSKI PACIFIC SIDE-
358 AM AKDT SUN APR 23 2017

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...SE WIND 15 KT. SEAS 9 FT.
.TONIGHT...SE WIND 15 KT. SEAS 9 FT.
.MON...SE WIND 15 KT. SEAS 9 FT.
.MON NIGHT...S WIND 15 KT. SEAS 8 FT.
.TUE THROUGH WED...SW WIND 15 KT. SEAS 7 FT.
.THU...W WIND 20 KT. SEAS 7 FT.

$$

PKZ173-240030-
NIKLOSKI TO SEGUAM ISLAND BERING SIDE-
358 AM AKDT SUN APR 23 2017

.TODAY...VARIABLE WIND 10 KT BECOMING SE 20 KT IN THE AFTERNOON.
SEAS 6 FT.
.TONIGHT...E WIND 20 KT. SEAS 6 FT.
.MON...SE WIND 15 KT. SEAS 6 FT.
.MON NIGHT...SE WIND 15 KT. SEAS 5 FT.
.TUE...S WIND 15 KT. SEAS 5 FT.
.WED THROUGH THU...NW WIND 15 KT. SEAS 6 FT.

$$

PKZ174-240030-
NIKOLSKI TO SEGUAM ISLAND PACIFIC SIDE-
358 AM AKDT SUN APR 23 2017

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...SE WIND 20 KT. SEAS 11 FT.
.TONIGHT...SE WIND 20 KT. SEAS 11 FT.
.MON...SE WIND 15 KT. SEAS 10 FT.
.MON NIGHT...S WIND 15 KT. SEAS 8 FT.
.TUE...SW WIND 20 KT. SEAS 8 FT.
.WED...W WIND 15 KT. SEAS 6 FT.
.THU...W WIND 20 KT. SEAS 7 FT.

$$

PKZ175-240030-
SEGUAM ISLAND TO ADAK BERING SIDE-
358 AM AKDT SUN APR 23 2017

.TODAY...E WIND 20 KT. SEAS 6 FT.
.TONIGHT...E WIND 20 KT. SEAS 6 FT.
.MON...NE WIND 20 KT. SEAS 7 FT.
.MON NIGHT...NE WIND 15 KT. SEAS 6 FT.
.TUE...N WIND 15 KT. SEAS 6 FT.
.WED THROUGH THU...NW WIND 20 KT. SEAS 6 FT.

$$

PKZ176-240030-
SEGUAM ISLAND TO ADAK PACIFIC SIDE-
358 AM AKDT SUN APR 23 2017

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...E WIND 20 KT. SEAS 11 FT.
.TONIGHT...E WIND 15 KT. SEAS 11 FT.
.MON...NE WIND 15 KT. SEAS 8 FT.
.MON NIGHT...NW WIND 15 KT. SEAS 6 FT.
.TUE...W WIND 15 KT. SEAS 5 FT.
.WED THROUGH THU...W WIND 20 KT. SEAS 7 FT.

$$

PKZ177-240030-
ADAK TO KISKA-
358 AM AKDT SUN APR 23 2017

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...NE WIND 20 KT. SEAS 10 FT.
.TONIGHT...N WIND 15 KT. SEAS 9 FT.
.MON...N WIND 20 KT. SEAS 9 FT.
.MON NIGHT...N WIND 15 KT. SEAS 8 FT.
.TUE THROUGH WED...NW WIND 20 KT. SEAS 8 FT.
.THU...W WIND 30 KT. SEAS 11 FT.

$$

PKZ178-240030-
KISKA TO ATTU-
358 AM AKDT SUN APR 23 2017

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...N WIND 30 KT. SEAS 11 FT.
.TONIGHT...N WIND 30 KT. SEAS 14 FT.
.MON...N WIND 25 KT. SEAS 13 FT.
.MON NIGHT...N WIND 25 KT. SEAS 11 FT.
.TUE...N WIND 25 KT. SEAS 10 FT.
.WED...NW WIND 20 KT. SEAS 8 FT.
.THU...S WIND 30 KT. SEAS 18 FT.

$$

PKZ179-240030-
PRIBILOF ISLANDS NEAR SHORE WATERS-
358 AM AKDT SUN APR 23 2017

.TODAY...E WIND 20 KT. SEAS 7 FT. AREAS OF FOG.
.TONIGHT...E WIND 15 KT. SEAS 5 FT. AREAS OF FOG.
.MON...E WIND 15 KT. SEAS 4 FT.
.MON NIGHT...VARIABLE WIND 10 KT. SEAS 3 FT.
.TUE THROUGH WED...NE WIND 15 KT. SEAS 3 FT.
.THU...VARIABLE WIND 10 KT. SEAS 3 FT.

$$

PKZ180-240030-
KUSKOKWIM DELTA AND ETOLIN STRAIT-
358 AM AKDT SUN APR 23 2017

...SMALL CRAFT ADVISORY TODAY...

.TODAY...E WIND 25 KT. SEAS IN ICE FREE WATERS 6 FT. PATCHY FOG.
.TONIGHT...E WIND 20 KT. SEAS IN ICE FREE WATERS 5 FT.
.MON...E WIND 20 KT. SEAS IN ICE FREE WATERS 4 FT.
.MON NIGHT...SE WIND 15 KT. SEAS IN ICE FREE WATERS 3 FT.
.TUE...SE WIND 15 KT. SEAS IN ICE FREE WATERS 3 FT.
.WED...SE WIND 10 KT. SEAS IN ICE FREE WATERS 1 FOOT.
.THU...NW WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT.

$$

PKZ181-240030-
NORTH AND WEST OF NUNIVAK ISLAND-
358 AM AKDT SUN APR 23 2017

...SMALL CRAFT ADVISORY TODAY...

.TODAY...NE WIND 25 KT. SEAS IN ICE FREE WATERS 3 FT. PATCHY FOG.
.TONIGHT...NE WIND 20 KT. SEAS IN ICE FREE WATERS 2 FT. PATCHY
FOG.
.MON...NE WIND 15 KT. SEAS IN ICE FREE WATERS 2 FT.
.MON NIGHT...NE WIND 15 KT. SEAS IN ICE FREE WATERS 2 FT.
.TUE...VARIABLE WIND 10 KT. SEAS IN ICE FREE WATERS 1 FOOT.
.WED THROUGH THU...VARIABLE WIND 10 KT. SEAS IN ICE FREE WATERS
1 FOOT.

$$

PKZ185-240030-
SAINT MATTHEW ISLAND WATERS-
358 AM AKDT SUN APR 23 2017

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...NE WIND 30 KT. SEAS IN ICE FREE WATERS 10 FT. PATCHY FOG.
.TONIGHT...NE WIND 20 KT E OF SAINT MATTHEW ISLAND... NE 30 KT W
OF SAINT MATTHEW ISLAND. SEAS IN ICE FREE WATERS 10 FT. PATCHY FOG 
AND FREEZING FOG.
.MON...NE WIND 20 KT E OF SAINT MATTHEW ISLAND... NE 30 KT W OF
SAINT MATTHEW ISLAND. SEAS IN ICE FREE WATERS 9 FT.
.MON NIGHT...NE WIND 30 KT. SEAS IN ICE FREE WATERS 9 FT.
.TUE...NE WIND 25 KT. SEAS IN ICE FREE WATERS 8 FT.
.WED...NE WIND 20 KT. SEAS IN ICE FREE WATERS 6 FT.
.THU...N WIND 15 KT. SEAS IN ICE FREE WATERS 5 FT.

$$
801 
FZAK52 PAFC 232319
CWFALU

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
319 PM AKDT SUN APR 23 2017

COASTAL WATERS FORECAST FOR SOUTHWEST ALASKA+BRISTOL BAY+THE
ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS UP TO 100 NM OUT.

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

PKZ199-241230-
319 PM AKDT SUN APR 23 2017
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 981 MB LOW 160 NM SOUTH OF ATKA MOVES TO 115 NM NORTH OF ATKA 
AT 986 MB WITH THE ASSOCIATED FRONT WRAPPED ACROSS THE SOUTHERN 
BERING AND ALASKA PENINSULA BEFORE CURLING BACK OVER THE NORTH 
PACIFIC THROUGH TUE AFTERNOON. SEVERAL TROUGHS PUSH WEST ACROSS 
THE BERING SEA THROUGH TUE AFTERNOON.

$$

PKZ150-241230-
SOUTH OF THE AK PENINSULA SITKINAK TO CASTLE CAPE-
319 PM AKDT SUN APR 23 2017

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...SE WIND 15 KT. SEAS 8 FT. PERIODS OF RAIN.
.MON AND MON NIGHT...SE WIND 15 KT. SEAS 7 FT.
.TUE AND TUE NIGHT...S WIND 10 KT. SEAS 6 FT.
.WED THROUGH FRI...SW WIND 15 KT. SEAS 7 FT.

$$

PKZ155-241230-
SOUTH OF THE AK PENINSULA CASTLE CAPE TO CAPE SARICHEF-
319 PM AKDT SUN APR 23 2017

...SMALL CRAFT ADVISORY THROUGH MONDAY NIGHT...

.TONIGHT...SE WIND 15 KT. SEAS 9 FT.
.MON...SE WIND 15 KT. SEAS 8 FT.
.MON NIGHT...S WIND 10 KT. SEAS 8 FT.
.TUE...S WIND 10 KT. SEAS 7 FT.
.TUE NIGHT...S WIND 15 KT. SEAS 7 FT.
.WED THROUGH FRI...SW WIND 15 KT. SEAS 7 FT.

$$

PKZ160-241230-
BRISTOL BAY-
319 PM AKDT SUN APR 23 2017

.TONIGHT...E WIND 20 KT. SEAS 3 FT.
.MON...E WIND 20 KT. SEAS 3 FT.
.MON NIGHT...SE WIND 15 KT. SEAS 2 FT.
.TUE AND TUE NIGHT...SE WIND 10 KT. SEAS 2 FT.
.WED THROUGH FRI...S WIND 10 KT. SEAS 2 FT.

$$

PKZ165-241230-
PORT HEIDEN TO CAPE SARICHEF-
319 PM AKDT SUN APR 23 2017

.TONIGHT...SE WIND 20 KT. SEAS 3 FT.
.MON AND MON NIGHT...SE WIND 15 KT. SEAS 3 FT.
.TUE...SE WIND 10 KT. SEAS 2 FT.
.TUE NIGHT...SE WIND 15 KT. SEAS 2 FT.
.WED...VARIABLE WIND 10 KT. SEAS 2 FT.
.THU THROUGH FRI...VARIABLE WIND 10 KT. SEAS 2 FT.

$$

PKZ170-241230-
CAPE SARICHEF TO NIKOLSKI BERING SIDE-
319 PM AKDT SUN APR 23 2017

.TONIGHT...SE WIND 15 KT. SEAS 4 FT.
.MON AND MON NIGHT...SE WIND 15 KT. SEAS 4 FT.
.TUE AND TUE NIGHT...S WIND 15 KT. SEAS 4 FT.
.WED...S WIND 15 KT. SEAS 3 FT.
.THU...W WIND 15 KT. SEAS 4 FT.
.FRI...SW WIND 20 KT. SEAS 4 FT.

$$

PKZ171-241230-
UNALASKA BAY-
319 PM AKDT SUN APR 23 2017

.TONIGHT...SE WIND 10 KT. SEAS 2 FT.
.MON...SE WIND 15 KT DIMINISHING TO 10 KT IN THE AFTERNOON. SEAS
2 FT.
.MON NIGHT...SE WIND 10 KT. SEAS 2 FT.
.TUE AND TUE NIGHT...S WIND 10 KT. SEAS 2 FT.
.WED...S WIND 10 KT. SEAS 2 FT.
.THU...W WIND 10 KT. SEAS 2 FT.
.FRI...SW WIND 10 KT. SEAS 2 FT.

$$

PKZ172-241230-
CAPE SARICHEF TO NIKOLSKI PACIFIC SIDE-
319 PM AKDT SUN APR 23 2017

...SMALL CRAFT ADVISORY THROUGH MONDAY NIGHT...

.TONIGHT...SE WIND 15 KT. SEAS 10 FT.
.MON...SE WIND 15 KT. SEAS 9 FT.
.MON NIGHT...S WIND 15 KT. SEAS 8 FT.
.TUE AND TUE NIGHT...S WIND 15 KT. SEAS 7 FT.
.WED...SW WIND 15 KT. SEAS 7 FT.
.THU...W WIND 15 KT. SEAS 7 FT.
.FRI...SW WIND 20 KT. SEAS 6 FT.

$$

PKZ173-241230-
NIKLOSKI TO SEGUAM ISLAND BERING SIDE-
319 PM AKDT SUN APR 23 2017

.TONIGHT...E WIND 20 KT. SEAS 6 FT.
.MON...E WIND 20 KT. SEAS 6 FT.
.MON NIGHT...SE WIND 15 KT. SEAS 6 FT.
.TUE...S WIND 15 KT. SEAS 5 FT.
.TUE NIGHT...SW WIND 15 KT. SEAS 4 FT.
.WED THROUGH THU...NW WIND 15 KT. SEAS 6 FT.
.FRI...S WIND 25 KT. SEAS 5 FT.

$$

PKZ174-241230-
NIKOLSKI TO SEGUAM ISLAND PACIFIC SIDE-
319 PM AKDT SUN APR 23 2017

...SMALL CRAFT ADVISORY THROUGH MONDAY NIGHT...

.TONIGHT...SE WIND 20 KT. SEAS 10 FT.
.MON...SE WIND 15 KT. SEAS 10 FT.
.MON NIGHT...S WIND 20 KT. SEAS 8 FT.
.TUE AND TUE NIGHT...SW WIND 15 KT. SEAS 8 FT.
.WED THROUGH THU...W WIND 15 KT. SEAS 7 FT.
.FRI...S WIND 25 KT. SEAS 6 FT.

$$

PKZ175-241230-
SEGUAM ISLAND TO ADAK BERING SIDE-
319 PM AKDT SUN APR 23 2017

.TONIGHT...NE WIND 20 KT. SEAS 6 FT.
.MON...NE WIND 20 KT. SEAS 7 FT.
.MON NIGHT...N WIND 15 KT. SEAS 6 FT.
.TUE...N WIND 10 KT. SEAS 5 FT.
.TUE NIGHT...NW WIND 15 KT. SEAS 5 FT.
.WED...NW WIND 15 KT. SEAS 6 FT.
.THU...W WIND 20 KT. SEAS 6 FT.
.FRI...S WIND 25 KT. SEAS 8 FT.

$$

PKZ176-241230-
SEGUAM ISLAND TO ADAK PACIFIC SIDE-
319 PM AKDT SUN APR 23 2017

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...VARIABLE WIND 15 KT. SEAS 9 FT.
.MON...N WIND 15 KT. SEAS 7 FT.
.MON NIGHT...NW WIND 15 KT. SEAS 6 FT.
.TUE AND TUE NIGHT...W WIND 15 KT. SEAS 6 FT.
.WED THROUGH THU...W WIND 20 KT. SEAS 7 FT.
.FRI...S WIND 30 KT. SEAS 10 FT.

$$

PKZ177-241230-
ADAK TO KISKA-
319 PM AKDT SUN APR 23 2017

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TONIGHT...N WIND 15 KT. SEAS 8 FT.
.MON...N WIND 15 KT. SEAS 8 FT.
.MON NIGHT...N WIND 15 KT. SEAS 7 FT.
.TUE AND TUE NIGHT...N WIND 20 KT. SEAS 7 FT.
.WED...NW WIND 20 KT. SEAS 8 FT.
.THU...SW WIND 30 KT. SEAS 11 FT.
.FRI...S WIND 30 KT. SEAS 18 FT.

$$

PKZ178-241230-
KISKA TO ATTU-
319 PM AKDT SUN APR 23 2017

...SMALL CRAFT ADVISORY THROUGH MONDAY NIGHT...

.TONIGHT...N WIND 30 KT. SEAS 14 FT.
.MON...N WIND 30 KT. SEAS 13 FT.
.MON NIGHT...N WIND 25 KT. SEAS 11 FT.
.TUE AND TUE NIGHT...N WIND 25 KT. SEAS 10 FT.
.WED...NW WIND 20 KT. SEAS 8 FT.
.THU THROUGH FRI...S WIND 35 KT. SEAS 18 FT.

$$

PKZ179-241230-
PRIBILOF ISLANDS NEAR SHORE WATERS-
319 PM AKDT SUN APR 23 2017

.TONIGHT...E WIND 15 KT. SEAS 5 FT. AREAS OF FOG.
.MON AND MON NIGHT...E WIND 15 KT. SEAS 4 FT. PATCHY FOG.
.TUE AND TUE NIGHT...E WIND 15 KT. SEAS 4 FT.
.WED...VARIABLE WIND 10 KT. SEAS 3 FT.
.THU...VARIABLE WIND 10 KT. SEAS 3 FT.
.FRI...SE WIND 15 KT. SEAS 2 FT.

$$

PKZ180-241230-
KUSKOKWIM DELTA AND ETOLIN STRAIT-
319 PM AKDT SUN APR 23 2017

.TONIGHT...E WIND 20 KT. SEAS IN ICE FREE WATERS 5 FT.
.MON...E WIND 20 KT. SEAS IN ICE FREE WATERS 4 FT.
.MON NIGHT...E WIND 10 KT. SEAS IN ICE FREE WATERS 3 FT.
.TUE AND TUE NIGHT...SE WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT.
.WED...SE WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT.
.THU...VARIABLE WIND LESS THAN 10 KT. SEAS IN ICE FREE WATERS 2 FT.
.FRI...S WIND 10 KT. SEAS IN ICE FREE WATERS 1 FT.

$$

PKZ181-241230-
NORTH AND WEST OF NUNIVAK ISLAND-
319 PM AKDT SUN APR 23 2017

.TONIGHT...NE WIND 20 KT. SEAS IN ICE FREE WATERS 2 FT. PATCHY FOG.
.MON...NE WIND 15 KT. SEAS IN ICE FREE WATERS 2 FT.
.MON NIGHT...E WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT. PATCHY
FREEZING FOG.
.TUE AND TUE NIGHT...VARIABLE WIND 10 KT. SEAS IN ICE FREE WATERS 1 FT.
.WED THROUGH THU...VARIABLE WIND 10 KT. SEAS IN ICE FREE WATERS 1 FT.
.FRI...VARIABLE WIND 10 KT. SEAS IN ICE FREE WATERS 1 FT.

$$

PKZ185-241230-
SAINT MATTHEW ISLAND WATERS-
319 PM AKDT SUN APR 23 2017

...SMALL CRAFT ADVISORY THROUGH MONDAY NIGHT...

.TONIGHT...NE WIND 20 KT E OF SAINT MATTHEW ISLAND...NE 30 KT W OF 
SAINT MATTHEW ISLAND. SEAS IN ICE FREE WATERS 10 FT. PATCHY FOG.
.MON...NE WIND 20 KT E OF SAINT MATTHEW ISLAND...NE 30 KT W OF SAINT
MATTHEW ISLAND. SEAS IN ICE FREE WATERS 9 FT. PATCHY FOG.
.MON NIGHT...NE WIND 20 KT E OF SAINT MATTHEW ISLAND...NE 30 KT W OF
SAINT MATTHEW ISLAND. SEAS IN ICE FREE WATERS 8 FT. PATCHY FOG.
.TUE AND TUE NIGHT...NE WIND 25 KT. SEAS IN ICE FREE WATERS 8 FT.
.WED...NE WIND 20 KT. SEAS IN ICE FREE WATERS 7 FT.
.THU...NE WIND 15 KT. SEAS IN ICE FREE WATERS 5 FT.
.FRI...E WIND 25 KT. SEAS IN ICE FREE WATERS 7 FT.

$$
084 
FZAK52 PAFC 241153
CWFALU

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
353 AM AKDT MON APR 24 2017

COASTAL WATERS FORECAST FOR SOUTHWEST ALASKA+BRISTOL BAY+THE
ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS UP TO 100 NM OUT.

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

PKZ199-250045-
353 AM AKDT MON APR 24 2017
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...
A LARGE 980 MB LOW CENTERED 70 NM SOUTH OF SEGUAM ISLAND MOVES TO
110 NM NORTHWEST OF ATKA AT 990 MB TUE NIGHT.

$$

PKZ150-250045-
SOUTH OF THE AK PENINSULA SITKINAK TO CASTLE CAPE-
353 AM AKDT MON APR 24 2017

.TODAY...SE WIND 15 KT. SEAS 7 FT. RAIN.
.TONIGHT...SE WIND 15 KT. SEAS 7 FT.
.TUE...SE WIND 15 KT. SEAS 6 FT.
.TUE NIGHT...VARIABLE WIND 10 KT. SEAS 6 FT.
.WED THROUGH FRI...S WIND 15 KT. SEAS 7 FT.

$$

PKZ155-250045-
SOUTH OF THE AK PENINSULA CASTLE CAPE TO CAPE SARICHEF-
353 AM AKDT MON APR 24 2017

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...SE WIND 15 KT. SEAS 8 FT.
.TONIGHT...S WIND 15 KT. SEAS 8 FT.
.TUE...S WIND 15 KT. SEAS 7 FT.
.TUE NIGHT...S WIND 15 KT. SEAS 6 FT.
.WED THROUGH THU...SW WIND 15 KT. SEAS 7 FT.
.FRI...SW WIND 20 KT. SEAS 7 FT.

$$

PKZ160-250045-
BRISTOL BAY-
353 AM AKDT MON APR 24 2017

.TODAY...E WIND 15 KT. SEAS 3 FT.
.TONIGHT...E WIND 15 KT. SEAS 2 FT.
.TUE...E WIND 10 KT. SEAS 2 FT.
.TUE NIGHT...SE WIND 10 KT. SEAS 1 FOOT.
.WED THROUGH THU...S WIND 10 KT. SEAS 2 FT.
.FRI...S WIND 15 KT. SEAS 2 FT.

$$

PKZ165-250045-
PORT HEIDEN TO CAPE SARICHEF-
353 AM AKDT MON APR 24 2017

.TODAY...SE WIND 15 KT. SEAS 3 FT.
.TONIGHT...E WIND 15 KT. SEAS 3 FT.
.TUE...SE WIND 15 KT. SEAS 3 FT.
.TUE NIGHT...SE WIND 15 KT. SEAS 2 FT.
.WED...VARIABLE WIND 10 KT. SEAS 2 FT.
.THU...VARIABLE WIND 10 KT. SEAS 2 FT.
.FRI...SW WIND 20 KT. SEAS 4 FT.

$$

PKZ170-250045-
CAPE SARICHEF TO NIKOLSKI BERING SIDE-
353 AM AKDT MON APR 24 2017

.TODAY...SE WIND 20 KT. SEAS 5 FT.
.TONIGHT...SE WIND 20 KT. SEAS 5 FT.
.TUE...SE WIND 15 KT. SEAS 4 FT.
.TUE NIGHT...SE WIND 15 KT. SEAS 3 FT.
.WED...S WIND 15 KT. SEAS 4 FT.
.THU...W WIND 15 KT. SEAS 4 FT.
.FRI...SW WIND 20 KT. SEAS 5 FT.

$$

PKZ171-250045-
UNALASKA BAY-
353 AM AKDT MON APR 24 2017

.TODAY...SE WIND 15 KT. SEAS 2 FT.
.TONIGHT...SE WIND 15 KT BECOMING S AFTER MIDNIGHT. SEAS 2 FT.
.TUE...S WIND 10 KT INCREASING TO 15 KT IN THE AFTERNOON. 
SEAS 2 FT.
.TUE NIGHT...S WIND 15 KT. SEAS 2 FT.
.WED...S WIND 10 KT. SEAS 2 FT.
.THU...W WIND 10 KT. SEAS 2 FT.
.FRI...SW WIND 15 KT. SEAS 2 FT.

$$

PKZ172-250045-
CAPE SARICHEF TO NIKOLSKI PACIFIC SIDE-
353 AM AKDT MON APR 24 2017

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...SE WIND 20 KT. SEAS 10 FT.
.TONIGHT...S WIND 15 KT. SEAS 8 FT.
.TUE...S WIND 15 KT. SEAS 7 FT.
.TUE NIGHT...S WIND 15 KT. SEAS 7 FT.
.WED...SW WIND 15 KT. SEAS 7 FT.
.THU...W WIND 15 KT. SEAS 7 FT.
.FRI...SW WIND 25 KT. SEAS 7 FT.

$$

PKZ173-250045-
NIKLOSKI TO SEGUAM ISLAND BERING SIDE-
353 AM AKDT MON APR 24 2017

.TODAY...E WIND 20 KT. SEAS 6 FT.
.TONIGHT...SE WIND 20 KT. SEAS 6 FT.
.TUE...S WIND 15 KT. SEAS 5 FT.
.TUE NIGHT...S WIND 15 KT. SEAS 5 FT.
.WED THROUGH THU...NW WIND 15 KT. SEAS 6 FT.
.FRI...S WIND 25 KT. SEAS 5 FT.

$$

PKZ174-250045-
NIKOLSKI TO SEGUAM ISLAND PACIFIC SIDE-
353 AM AKDT MON APR 24 2017

...SMALL CRAFT ADVISORY THROUGH TUESDAY...

.TODAY...S WIND 25 KT. SEAS 10 FT.
.TONIGHT...S WIND 20 KT. SEAS 9 FT.
.TUE...SW WIND 20 KT. SEAS 8 FT.
.TUE NIGHT...SW WIND 15 KT. SEAS 7 FT.
.WED THROUGH THU...W WIND 15 KT. SEAS 7 FT.
.FRI...S WIND 25 KT. SEAS 7 FT.

$$

PKZ175-250045-
SEGUAM ISLAND TO ADAK BERING SIDE-
353 AM AKDT MON APR 24 2017

.TODAY...NE WIND 20 KT. SEAS 7 FT.
.TONIGHT...N WIND 15 KT. SEAS 6 FT.
.TUE...NW WIND 15 KT. SEAS 5 FT.
.TUE NIGHT...W WIND 20 KT. SEAS 6 FT.
.WED...NW WIND 15 KT. SEAS 5 FT.
.THU...W WIND 20 KT. SEAS 6 FT.
.FRI...S WIND 25 KT. SEAS 8 FT.

$$

PKZ176-250045-
SEGUAM ISLAND TO ADAK PACIFIC SIDE-
353 AM AKDT MON APR 24 2017

...SMALL CRAFT ADVISORY TODAY...

.TODAY...NW WIND 15 KT. SEAS 8 FT.
.TONIGHT...NW WIND 15 KT. SEAS 6 FT.
.TUE...W WIND 15 KT. SEAS 6 FT.
.TUE NIGHT...W WIND 15 KT. SEAS 6 FT.
.WED THROUGH THU...W WIND 20 KT. SEAS 7 FT.
.FRI...S WIND 30 KT. SEAS 12 FT.

$$

PKZ177-250045-
ADAK TO KISKA-
353 AM AKDT MON APR 24 2017

...SMALL CRAFT ADVISORY TODAY...

.TODAY...N WIND 15 KT. SEAS 8 FT.
.TONIGHT...N WIND 15 KT. SEAS 7 FT.
.TUE...NW WIND 20 KT. SEAS 7 FT.
.TUE NIGHT...NW WIND 20 KT. SEAS 7 FT.
.WED...NW WIND 20 KT. SEAS 6 FT.
.THU...SW WIND 30 KT. SEAS 11 FT.
.FRI...S WIND 30 KT. SEAS 18 FT.

$$

PKZ178-250045-
KISKA TO ATTU-
353 AM AKDT MON APR 24 2017

...SMALL CRAFT ADVISORY THROUGH TUESDAY...

.TODAY...N WIND 30 KT. SEAS 13 FT.
.TONIGHT...N WIND 25 KT. SEAS 10 FT.
.TUE...N WIND 25 KT. SEAS 9 FT.
.TUE NIGHT...NW WIND 20 KT. SEAS 9 FT.
.WED...NW WIND 25 KT. SEAS 8 FT.
.THU THROUGH FRI...S WIND 35 KT. SEAS 18 FT.

$$

PKZ179-250045-
PRIBILOF ISLANDS NEAR SHORE WATERS-
353 AM AKDT MON APR 24 2017

.TODAY...E WIND 15 KT. SEAS 5 FT. PATCHY FOG.
.TONIGHT...E WIND 15 KT. SEAS 4 FT. PATCHY FOG.
.TUE...E WIND 15 KT. SEAS 4 FT. PATCHY FOG.
.TUE NIGHT...E WIND 15 KT. SEAS 4 FT.
.WED...VARIABLE WIND 10 KT. SEAS 3 FT.
.THU...VARIABLE WIND 10 KT. SEAS 2 FT.
.FRI...SE WIND 20 KT. SEAS 4 FT.

$$

PKZ180-250045-
KUSKOKWIM DELTA AND ETOLIN STRAIT-
353 AM AKDT MON APR 24 2017

.TODAY...E WIND 20 KT. SEAS IN ICE FREE WATERS 5 FT. PATCHY FOG.
.TONIGHT...E WIND 10 KT. SEAS IN ICE FREE WATERS 3 FT. PATCHY FOG.
.TUE...E WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT. PATCHY FOG.
.TUE NIGHT...SE WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT.
.WED...SE WIND 15 KT. SEAS IN ICE FREE WATERS 3 FT.
.THU...VARIABLE WIND LESS THAN 10 KT. SEAS IN ICE FREE WATERS 2 FT.
.FRI...S WIND 15 KT. SEAS IN ICE FREE WATERS 3 FT.

$$

PKZ181-250045-
NORTH AND WEST OF NUNIVAK ISLAND-
353 AM AKDT MON APR 24 2017

.TODAY...NE WIND 20 KT. SEAS IN ICE FREE WATERS 2 FT. 
AREAS OF FOG.
.TONIGHT...NE WIND 15 KT. SEAS IN ICE FREE WATERS 2 FT.
.TUE...VARIABLE WIND 10 KT. SEAS IN ICE FREE WATERS 1 FOOT. 
AREAS OF FOG.
.TUE NIGHT...VARIABLE WIND 10 KT. SEAS IN ICE FREE WATERS 1 FOOT.
.WED...VARIABLE WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT.
.THU...VARIABLE WIND 10 KT. SEAS IN ICE FREE WATERS 1 FOOT.
.FRI...E WIND 15 KT. SEAS IN ICE FREE WATERS 2 FT.

$$

PKZ185-250045-
SAINT MATTHEW ISLAND WATERS-
353 AM AKDT MON APR 24 2017

...SMALL CRAFT ADVISORY THROUGH TUESDAY...

.TODAY...NE WIND 20 KT E OF SAINT MATTHEW ISLAND... NE 30 KT W OF
SAINT MATTHEW ISLAND. SEAS IN ICE FREE WATERS 8 FT. AREAS OF FOG.
.TONIGHT...E WIND 20 KT E OF SAINT MATTHEW ISLAND...NE 25 KT W OF
SAINT MATTHEW ISLAND. SEAS IN ICE FREE WATERS 8 FT. AREAS OF FOG.
.TUE...NE WIND 15 KT E OF SAINT MATTHEW ISLAND... NE 25 KT W OF
SAINT MATTHEW ISLAND. SEAS IN ICE FREE WATERS 7 FT. AREAS OF FOG.
.TUE NIGHT...NE WIND 20 KT. SEAS IN ICE FREE WATERS 5 FT.
.WED...NE WIND 20 KT. SEAS IN ICE FREE WATERS 6 FT.
.THU...N WIND 15 KT. SEAS IN ICE FREE WATERS 4 FT.
.FRI...E WIND 25 KT. SEAS IN ICE FREE WATERS 9 FT.

$$
630 
FZAK52 PAFC 242330
CWFALU

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
330 PM AKDT MON APR 24 2017

COASTAL WATERS FORECAST FOR SOUTHWEST ALASKA+BRISTOL BAY+THE
ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS UP TO 100 NM OUT.

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

PKZ199-251245-
330 PM AKDT MON APR 24 2017
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...
A 982 MB LOW 25 NM EAST OF SEGUAM ISLAND LOOPS TO 60 NM NORTH OF
SEGUAM ISLAND AT 995 MB BY WED AFTERNOON. THE ASSOCIATED FRONT 
WRAPS FROM THE WESTERN ALEUTIANS ACROSS THE CENTRAL BERING TO 
SOUTHWEST ALASKA THROUGH WED AFTERNOON.

$$

PKZ150-251245-
SOUTH OF THE AK PENINSULA SITKINAK TO CASTLE CAPE-
330 PM AKDT MON APR 24 2017

.TONIGHT...SE WIND 10 KT. SEAS 7 FT.
.TUE...S WIND 10 KT. SEAS 6 FT.
.TUE NIGHT...SW WIND 15 KT. SEAS 6 FT.
.WED AND WED NIGHT...SW WIND 15 KT. SEAS 7 FT.
.THU THROUGH FRI...S WIND 15 KT. SEAS 7 FT.
.SAT...S WIND 20 KT. SEAS 6 FT.

$$

PKZ155-251245-
SOUTH OF THE AK PENINSULA CASTLE CAPE TO CAPE SARICHEF-
330 PM AKDT MON APR 24 2017

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...SE WIND 15 KT. SEAS 9 FT.
.TUE...S WIND 15 KT. SEAS 7 FT.
.TUE NIGHT...S WIND 15 KT. SEAS 7 FT.
.WED...S WIND 15 KT. SEAS 7 FT.
.WED NIGHT...SW WIND 20 KT. SEAS 8 FT.
.THU...SW WIND 15 KT. SEAS 7 FT.
.FRI...SW WIND 20 KT. SEAS 7 FT.
.SAT...S WIND 20 KT. SEAS 7 FT.

$$

PKZ160-251245-
BRISTOL BAY-
330 PM AKDT MON APR 24 2017

.TONIGHT...E WIND 15 KT. SEAS 2 FT.
.TUE...E WIND 10 KT. SEAS 1 FOOT.
.TUE NIGHT...SE WIND 10 KT. SEAS 1 FOOT. PATCHY FOG.
.WED AND WED NIGHT...SE WIND 10 KT. SEAS 1 FOOT.
.THU...S WIND 10 KT. SEAS 2 FT.
.FRI...S WIND 15 KT. SEAS 2 FT.
.SAT...SE WIND 15 KT. SEAS 3 FT.

$$

PKZ165-251245-
PORT HEIDEN TO CAPE SARICHEF-
330 PM AKDT MON APR 24 2017

.TONIGHT...E WIND 15 KT. SEAS 3 FT.
.TUE...VARIABLE WIND 10 KT. SEAS 2 FT.
.TUE NIGHT...SE WIND 15 KT. SEAS 2 FT. PATCHY FOG.
.WED...VARIABLE WIND 10 KT. SEAS 2 FT.
.WED NIGHT...SE WIND 15 KT. SEAS 2 FT.
.THU...VARIABLE WIND 10 KT. SEAS 2 FT.
.FRI...SW WIND 20 KT. SEAS 4 FT.
.SAT...SE WIND 20 KT. SEAS 4 FT.

$$

PKZ170-251245-
CAPE SARICHEF TO NIKOLSKI BERING SIDE-
330 PM AKDT MON APR 24 2017

.TONIGHT...SE WIND 20 KT. SEAS 5 FT.
.TUE...SE WIND 15 KT. SEAS 4 FT.
.TUE NIGHT...S WIND 15 KT. SEAS 4 FT.
.WED...VARIABLE WIND 10 KT. SEAS 3 FT.
.WED NIGHT...VARIABLE WIND 10 KT. SEAS 2 FT.
.THU...NW WIND 15 KT. SEAS 4 FT.
.FRI...SW WIND 20 KT. SEAS 5 FT.
.SAT...S WIND 20 KT. SEAS 6 FT.

$$

PKZ171-251245-
UNALASKA BAY-
330 PM AKDT MON APR 24 2017

.TONIGHT...SE WIND 15 KT. SEAS 2 FT.
.TUE...S WIND 10 KT INCREASING TO 15 KT IN THE AFTERNOON. SEAS 2
FT.
.TUE NIGHT...S WIND 15 KT DIMINISHING TO 10 KT AFTER MIDNIGHT.
SEAS 2 FT.
.WED...S WIND 10 KT. SEAS 2 FT.
.WED NIGHT...SW WIND 10 KT. SEAS 1 FOOT.
.THU...W WIND 10 KT. SEAS 2 FT.
.FRI...SW WIND 15 KT. SEAS 2 FT.
.SAT...S WIND 15 KT. SEAS 2 FT.

$$

PKZ172-251245-
CAPE SARICHEF TO NIKOLSKI PACIFIC SIDE-
330 PM AKDT MON APR 24 2017

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...S WIND 15 KT. SEAS 9 FT.
.TUE...S WIND 15 KT. SEAS 7 FT.
.TUE NIGHT...S WIND 15 KT. SEAS 7 FT.
.WED...S WIND 15 KT. SEAS 7 FT.
.WED NIGHT...SW WIND 20 KT. SEAS 7 FT.
.THU...W WIND 15 KT. SEAS 7 FT.
.FRI THROUGH SAT...S WIND 25 KT. SEAS 7 FT.

$$

PKZ173-251245-
NIKLOSKI TO SEGUAM ISLAND BERING SIDE-
330 PM AKDT MON APR 24 2017

.TONIGHT...SE WIND 20 KT. SEAS 6 FT.
.TUE...S WIND 15 KT. SEAS 5 FT.
.TUE NIGHT...S WIND 15 KT. SEAS 5 FT.
.WED...VARIABLE WIND 10 KT. SEAS 5 FT.
.WED NIGHT...VARIABLE WIND 10 KT. SEAS 4 FT.
.THU...NW WIND 15 KT. SEAS 6 FT.
.FRI...S WIND 25 KT. SEAS 5 FT.
.SAT...S WIND 20 KT. SEAS 6 FT.

$$

PKZ174-251245-
NIKOLSKI TO SEGUAM ISLAND PACIFIC SIDE-
330 PM AKDT MON APR 24 2017

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...SW WIND 20 KT. SEAS 9 FT.
.TUE...SW WIND 15 KT. SEAS 7 FT.
.TUE NIGHT...SW WIND 15 KT. SEAS 7 FT.
.WED AND WED NIGHT...W WIND 15 KT. SEAS 7 FT.
.THU...NW WIND 15 KT. SEAS 7 FT.
.FRI THROUGH SAT...SW WIND 25 KT. SEAS 9 FT.

$$

PKZ175-251245-
SEGUAM ISLAND TO ADAK BERING SIDE-
330 PM AKDT MON APR 24 2017

.TONIGHT...N WIND 15 KT. SEAS 6 FT.
.TUE...VARIABLE WIND 10 KT. SEAS 5 FT.
.TUE NIGHT...W WIND 15 KT. SEAS 5 FT.
.WED AND WED NIGHT...NW WIND 15 KT. SEAS 5 FT.
.THU...W WIND 20 KT. SEAS 5 FT.
.FRI...S WIND 25 KT. SEAS 8 FT.
.SAT...SW WIND 20 KT. SEAS 7 FT.

$$

PKZ176-251245-
SEGUAM ISLAND TO ADAK PACIFIC SIDE-
330 PM AKDT MON APR 24 2017

.TONIGHT...NW WIND 15 KT. SEAS 7 FT.
.TUE...W WIND 15 KT. SEAS 7 FT.
.TUE NIGHT...W WIND 15 KT. SEAS 6 FT.
.WED AND WED NIGHT...NW WIND 20 KT. SEAS 7 FT.
.THU...W WIND 20 KT. SEAS 7 FT.
.FRI...S WIND 30 KT. SEAS 12 FT.
.SAT...SW WIND 25 KT. SEAS 13 FT.

$$

PKZ177-251245-
ADAK TO KISKA-
330 PM AKDT MON APR 24 2017

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...N WIND 15 KT. SEAS 8 FT.
.TUE...NW WIND 15 KT. SEAS 7 FT.
.TUE NIGHT...NW WIND 20 KT. SEAS 6 FT.
.WED AND WED NIGHT...NW WIND 20 KT. SEAS 6 FT.
.THU...SW WIND 30 KT. SEAS 11 FT.
.FRI...S WIND 30 KT. SEAS 18 FT.
.SAT...SW WIND 25 KT. SEAS 14 FT.

$$

PKZ178-251245-
KISKA TO ATTU-
330 PM AKDT MON APR 24 2017

...SMALL CRAFT ADVISORY THROUGH TUESDAY NIGHT...

.TONIGHT...N WIND 25 KT. SEAS 11 FT.
.TUE...N WIND 25 KT DIMINISHING TO 20 KT IN THE AFTERNOON. SEAS 9 FT.
.TUE NIGHT...N WIND 20 KT. SEAS 9 FT.
.WED...NW WIND 25 KT. SEAS 9 FT.
.WED NIGHT...W WIND 20 KT. SEAS 7 FT.
.THU THROUGH FRI...S WIND 35 KT. SEAS 18 FT.
.SAT...W WIND 25 KT. SEAS 14 FT.

$$

PKZ179-251245-
PRIBILOF ISLANDS NEAR SHORE WATERS-
330 PM AKDT MON APR 24 2017

.TONIGHT...E WIND 20 KT. SEAS 5 FT. PATCHY FOG.
.TUE...E WIND 15 KT. SEAS 4 FT. PATCHY FOG.
.TUE NIGHT...E WIND 15 KT. SEAS 4 FT. PATCHY FOG.
.WED AND WED NIGHT...VARIABLE WIND 10 KT. SEAS 3 FT.
.THU...VARIABLE WIND 10 KT. SEAS 2 FT.
.FRI THROUGH SAT...SE WIND 20 KT. SEAS 6 FT.

$$

PKZ180-251245-
KUSKOKWIM DELTA AND ETOLIN STRAIT-
330 PM AKDT MON APR 24 2017

.TONIGHT...E WIND 15 KT DIMINISHING TO 10 KT AFTER MIDNIGHT. SEAS IN
ICE FREE WATERS 3 FT. PATCHY FOG.
.TUE...E WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT. PATCHY FOG.
.TUE NIGHT...VARIABLE WIND LESS THAN 10 KT BECOMING S 10 KT AFTER
MIDNIGHT. SEAS IN ICE FREE WATERS 2 FT. PATCHY FOG.
.WED AND WED NIGHT...SE WIND 10 KT. SEAS IN ICE FREE WATERS 3 FT.
.THU...SE WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT.
.FRI...S WIND 15 KT. SEAS IN ICE FREE WATERS 3 FT.
.SAT...SE WIND 20 KT. SEAS IN ICE FREE WATERS 4 FT.

$$

PKZ181-251245-
NORTH AND WEST OF NUNIVAK ISLAND-
330 PM AKDT MON APR 24 2017

.TONIGHT...NE WIND 15 KT. SEAS IN ICE FREE WATERS 2 FT. PATCHY FOG.
.TUE...VARIABLE WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT. PATCHY FOG.
.TUE NIGHT...VARIABLE WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT
BECOMING 1 FOOT AFTER MIDNIGHT. PATCHY FOG AND FREEZING FOG.
.WED...N WIND 15 KT. SEAS IN ICE FREE WATERS 2 FT.
.WED NIGHT...SE WIND 15 KT. SEAS IN ICE FREE WATERS 3 FT.
.THU...SE WIND 15 KT. SEAS IN ICE FREE WATERS 3 FT.
.FRI...E WIND 15 KT. SEAS IN ICE FREE WATERS 2 FT.
.SAT...E WIND 20 KT. SEAS IN ICE FREE WATERS 2 FT.

$$

PKZ185-251245-
SAINT MATTHEW ISLAND WATERS-
330 PM AKDT MON APR 24 2017

...SMALL CRAFT ADVISORY THROUGH TUESDAY...

.TONIGHT...E WIND 20 KT E OF SAINT MATTHEW ISLAND...NE 30 KT W OF
SAINT MATTHEW ISLAND. SEAS IN ICE FREE WATERS 9 FT. AREAS OF FOG.
.TUE...NE WIND 15 KT E OF SAINT MATTHEW ISLAND...NE 25 KT W OF SAINT
MATTHEW ISLAND. SEAS IN ICE FREE WATERS 7 FT. AREAS OF FOG.
.TUE NIGHT...NE WIND 20 KT. SEAS IN ICE FREE WATERS 5 FT.
.WED AND WED NIGHT...N WIND 20 KT. SEAS IN ICE FREE WATERS 5 FT.
.THU...N WIND 15 KT. SEAS IN ICE FREE WATERS 3 FT.
.FRI THROUGH SAT...E WIND 25 KT. SEAS IN ICE FREE WATERS 10 FT.

$$
172 
FZAK52 PAFC 251103
CWFALU

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
303 AM AKDT TUE APR 25 2017

COASTAL WATERS FORECAST FOR SOUTHWEST ALASKA+BRISTOL BAY+THE
ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS UP TO 100 NM OUT.

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

PKZ199-260015-
303 AM AKDT TUE APR 25 2017
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...
A 984 MB LOW 50 NM NORTH OF SEGUAM ISLAND DOES A LOOP IN THAT 
GENERAL LOCATION FILLING TO 994 MB THROUGH WED AFTERNOON. THE LOW 
OPENS TO A TROUGH AND MOVES EAST ACROSS THE EASTERN ALEUTIANS WED 
NIGHT. THE ASSOCIATED FRONT WRAPPING FROM THE WESTERN ALEUTIANS 
ACROSS THE CENTRAL BERING TO SOUTHWEST ALASKA CONTINUES TO 
GRADUALLY WEAKEN THROUGH WED NIGHT.

$$

PKZ150-260015-
SOUTH OF THE AK PENINSULA SITKINAK TO CASTLE CAPE-
303 AM AKDT TUE APR 25 2017

.TODAY...SE WIND 15 KT. SEAS 6 FT.
.TONIGHT...SW WIND 15 KT. SEAS 6 FT.
.WED...SW WIND 15 KT. SEAS 6 FT.
.WED NIGHT...SW WIND 15 KT. SEAS 7 FT.
.THU...SW WIND 15 KT. SEAS 6 FT.
.FRI...VARIABLE WIND 10 KT. SEAS 5 FT.
.SAT...S WIND 25 KT. SEAS 8 FT.

$$

PKZ155-260015-
SOUTH OF THE AK PENINSULA CASTLE CAPE TO CAPE SARICHEF-
303 AM AKDT TUE APR 25 2017

.TODAY...S WIND 15 KT. SEAS 7 FT.
.TONIGHT...SW WIND 15 KT. SEAS 6 FT.
.WED...SW WIND 20 KT. SEAS 7 FT.
.WED NIGHT...SW WIND 15 KT. SEAS 7 FT.
.THU THROUGH FRI...S WIND 20 KT. SEAS 7 FT.
.SAT...S WIND 25 KT. SEAS 10 FT.

$$

PKZ160-260015-
BRISTOL BAY-
303 AM AKDT TUE APR 25 2017

.TODAY...E WIND 15 KT. SEAS 2 FT.
.TONIGHT...SE WIND 15 KT. SEAS 2 FT.
.WED...S WIND 10 KT. SEAS 2 FT. PATCHY FOG.
.WED NIGHT...S WIND 10 KT. SEAS 1 FOOT.
.THU THROUGH FRI...SE WIND 10 KT. SEAS 1 FOOT.
.SAT...SE WIND 20 KT. SEAS 4 FT.

$$

PKZ165-260015-
PORT HEIDEN TO CAPE SARICHEF-
303 AM AKDT TUE APR 25 2017

.TODAY...VARIABLE WIND 10 KT. SEAS 2 FT.
.TONIGHT...VARIABLE WIND 10 KT. SEAS 2 FT.
.WED...VARIABLE WIND 10 KT. SEAS 2 FT. PATCHY FOG.
.WED NIGHT...SE WIND 15 KT. SEAS 2 FT.
.THU...S WIND 15 KT. SEAS 2 FT.
.FRI...S WIND 20 KT. SEAS 3 FT.
.SAT...SE WIND 25 KT. SEAS 7 FT.

$$

PKZ170-260015-
CAPE SARICHEF TO NIKOLSKI BERING SIDE-
303 AM AKDT TUE APR 25 2017

.TODAY...SE WIND 15 KT. SEAS 3 FT.
.TONIGHT...S WIND 15 KT. SEAS 3 FT.
.WED...SE WIND 15 KT. SEAS 3 FT.
.WED NIGHT...S WIND 15 KT. SEAS 3 FT.
.THU...NW WIND 15 KT. SEAS 3 FT.
.FRI THROUGH SAT...S WIND 30 KT. SEAS 7 FT.

$$

PKZ171-260015-
UNALASKA BAY-
303 AM AKDT TUE APR 25 2017

.TODAY...SE WIND 10 KT. SEAS 2 FT.
.TONIGHT...S WIND 10 KT. SEAS 2 FT.
.WED...SE WIND 15 KT. SEAS 2 FT.
.WED NIGHT...S WIND 10 KT. SEAS 1 FOOT.
.THU...W WIND 10 KT. SEAS 1 FOOT.
.FRI THROUGH SAT...S WIND 20 KT. SEAS 3 FT.

$$

PKZ172-260015-
CAPE SARICHEF TO NIKOLSKI PACIFIC SIDE-
303 AM AKDT TUE APR 25 2017

.TODAY...S WIND 15 KT. SEAS 7 FT.
.TONIGHT...S WIND 15 KT. SEAS 7 FT.
.WED...S WIND 20 KT. SEAS 7 FT.
.WED NIGHT...SW WIND 20 KT. SEAS 7 FT.
.THU...W WIND 20 KT. SEAS 7 FT.
.FRI THROUGH SAT...S WIND 30 KT. SEAS 11 FT.

$$

PKZ173-260015-
NIKLOSKI TO SEGUAM ISLAND BERING SIDE-
303 AM AKDT TUE APR 25 2017

.TODAY...S WIND 15 KT. SEAS 5 FT.
.TONIGHT...S WIND 15 KT. SEAS 4 FT.
.WED...VARIABLE WIND 10 KT. SEAS 4 FT.
.WED NIGHT...VARIABLE WIND 10 KT. SEAS 4 FT.
.THU...NW WIND 15 KT. SEAS 4 FT.
.FRI...S WIND 30 KT. SEAS 10 FT.
.SAT...SW WIND 25 KT. SEAS 9 FT.

$$

PKZ174-260015-
NIKOLSKI TO SEGUAM ISLAND PACIFIC SIDE-
303 AM AKDT TUE APR 25 2017

.TODAY...SW WIND 15 KT. SEAS 7 FT.
.TONIGHT...SW WIND 20 KT. SEAS 7 FT.
.WED...SW WIND 20 KT. SEAS 7 FT.
.WED NIGHT...SW WIND 20 KT. SEAS 7 FT.
.THU...NW WIND 20 KT. SEAS 7 FT.
.FRI...S WIND 35 KT. SEAS 12 FT.
.SAT...SW WIND 25 KT. SEAS 13 FT.

$$

PKZ175-260015-
SEGUAM ISLAND TO ADAK BERING SIDE-
303 AM AKDT TUE APR 25 2017

.TODAY...NW WIND 15 KT. SEAS 5 FT.
.TONIGHT...W WIND 15 KT. SEAS 5 FT.
.WED...W WIND 20 KT. SEAS 5 FT.
.WED NIGHT...N WIND 20 KT. SEAS 5 FT.
.THU...W WIND 20 KT. SEAS 5 FT.
.FRI...S WIND 30 KT. SEAS 8 FT.
.SAT...SW WIND 20 KT. SEAS 8 FT.

$$

PKZ176-260015-
SEGUAM ISLAND TO ADAK PACIFIC SIDE-
303 AM AKDT TUE APR 25 2017

.TODAY...W WIND 15 KT. SEAS 6 FT.
.TONIGHT...W WIND 15 KT. SEAS 6 FT.
.WED...W WIND 20 KT. SEAS 6 FT.
.WED NIGHT...NW WIND 25 KT. SEAS 6 FT.
.THU...W WIND 25 KT. SEAS 7 FT.
.FRI...SW WIND 35 KT. SEAS 13 FT.
.SAT...SW WIND 25 KT. SEAS 14 FT.

$$

PKZ177-260015-
ADAK TO KISKA-
303 AM AKDT TUE APR 25 2017

.TODAY...NW WIND 15 KT. SEAS 6 FT.
.TONIGHT...NW WIND 20 KT. SEAS 6 FT.
.WED...NW WIND 20 KT. SEAS 6 FT.
.WED NIGHT...NW WIND 20 KT. SEAS 6 FT.
.THU...SW WIND 35 KT. SEAS 8 FT.
.FRI...SW WIND 35 KT. SEAS 14 FT.
.SAT...SW WIND 30 KT. SEAS 17 FT.

$$

PKZ178-260015-
KISKA TO ATTU-
303 AM AKDT TUE APR 25 2017

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

.TODAY...N WIND 25 KT. SEAS 10 FT.
.TONIGHT...NW WIND 25 KT. SEAS 9 FT.
.WED...NW WIND 20 KT. SEAS 8 FT.
.WED NIGHT...NW WIND 20 KT. SEAS 7 FT.
.THU THROUGH FRI...SW WIND 40 KT. SEAS 16 FT.
.SAT...W WIND 30 KT. SEAS 20 FT.

$$

PKZ179-260015-
PRIBILOF ISLANDS NEAR SHORE WATERS-
303 AM AKDT TUE APR 25 2017

.TODAY...E WIND 15 KT. SEAS 4 FT. PATCHY FOG.
.TONIGHT...E WIND 10 KT. SEAS 3 FT. PATCHY FOG.
.WED...VARIABLE WIND 10 KT. SEAS 2 FT. PATCHY FOG.
.WED NIGHT...VARIABLE WIND 10 KT. SEAS 2 FT.
.THU...VARIABLE WIND 10 KT. SEAS 2 FT.
.FRI...S WIND 25 KT. SEAS 5 FT.
.SAT...SE WIND 25 KT. SEAS 9 FT.

$$

PKZ180-260015-
KUSKOKWIM DELTA AND ETOLIN STRAIT-
303 AM AKDT TUE APR 25 2017

.TODAY...E WIND 15 KT. SEAS 2 FT. PATCHY FOG.
.TONIGHT...E WIND 10 KT. SEAS 2 FT. PATCHY FOG.
.WED...SE WIND 10 KT. SEAS 2 FT. PATCHY FOG.
.WED NIGHT...SE WIND 10 KT. SEAS 2 FT.
.THU...SE WIND 10 KT. SEAS 2 FT.
.FRI...SE WIND 15 KT. SEAS 3 FT.
.SAT...SE WIND 20 KT. SEAS 5 FT.

$$

PKZ181-260015-
NORTH AND WEST OF NUNIVAK ISLAND-
303 AM AKDT TUE APR 25 2017

.TODAY...NE WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT. PATCHY FOG.
.TONIGHT...VARIABLE WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT
BECOMING 1 FOOT AFTER MIDNIGHT. PATCHY FOG.
.WED...VARIABLE WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT. 
PATCHY FOG.
.WED NIGHT...VARIABLE WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT.
.THU...VARIABLE WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT.
.FRI...SE WIND 15 KT. SEAS IN ICE FREE WATERS 3 FT.
.SAT...E WIND 20 KT. SEAS IN ICE FREE WATERS 4 FT.

$$

PKZ185-260015-
SAINT MATTHEW ISLAND WATERS-
303 AM AKDT TUE APR 25 2017

.TODAY...NE WIND 15 KT E OF SAINT MATTHEW ISLAND... NE 20 KT W OF
SAINT MATTHEW ISLAND. SEAS IN ICE FREE WATERS 6 FT. AREAS OF FOG.
.TONIGHT...NE WIND 15 KT E OF SAINT MATTHEW ISLAND... NE 20 KT W
OF SAINT MATTHEW ISLAND. SEAS IN ICE FREE WATERS 5 FT. AREAS OF FOG.
.WED...NE WIND 15 KT. SEAS IN ICE FREE WATERS 5 FT. PATCHY FOG.
.WED NIGHT...N WIND 15 KT. SEAS IN ICE FREE WATERS 4 FT.
.THU...NE WIND 15 KT. SEAS IN ICE FREE WATERS 3 FT.
.FRI...SE WIND 25 KT. SEAS IN ICE FREE WATERS 6 FT.
.SAT...E WIND 30 KT. SEAS IN ICE FREE WATERS 12 FT.

$$

What forecasters said that day

The local office's own words before this small craft advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Anchorage, AK wrote its last area forecast discussion before this small craft advisory went out at Apr 20, 4:22 PM AKDT, 11 hours 38 minutes earlier.

Area forecast discussion, Apr 20, 4:22 PM AKDT, 11 hours 38 minutes before
Southcentral and Southwest Alaska Forecast Discussion
National Weather Service Anchorage AK
422 PM AKDT Thu Apr 20 2017

.ANALYSIS AND UPPER LEVELS...
Alaska weather features have changed little in the past 24 hours,
but signs of change are evident in the Gulf of Alaska and North
Pacific this afternoon. Signs are also pointing toward a slower
trend for said changes than what was previously thought.

A new wave of warmth and moisture is blowing west-northwest
toward the Gulf Coast and Kodiak Island thanks to a healthy low
south of the Gulf of Alaska. Forecast challenges along the Gulf
Coast will be timing and extent of precipitation for Kodiak Island
and Southcentral.

A dissipating low moving away from Bristol Bay is in the process
of being absorbed by another incoming change...a 980mb low in the
North Pacific set to hover near the Aleutians into the weekend.
Forecast challenges for Southwest and the Aleutians will continue
to be visibility and passing waves of rain and snow lingering
around the dying low.

&&

.MODEL DISCUSSION...
With slower weather changes becoming more apparent, forecasters
are using the slower GFS solution for this forecast package.

&&

.AVIATION...
PANC...VFR conditions and light winds will persist.

&&

.SHORT TERM FORECAST SOUTHCENTRAL ALASKA (Days 1 and 2)...
Stable but weak high pressure will remain the dominant sensible
weather driver as Southcentral moves into the weekend. This will
maintain mostly dry and nice weather for inland areas (with the
exception of a stray isolated shower over favored mountains) with
increasing chances of rain remaining over the Gulf waters and
Kodiak Island. A deepening low in the North Pacific will move
north tonight, and this will increase low level easterly flow
which should allow for clouds and eventually light rain to move
toward the eastern parts of Kodiak Island and the southern/eastern
Kenai Peninsula. Rain will increase Friday night as the main
front stalls before it begins to fall apart and weaken Saturday.
Inland areas will gradually warm as minor downslope flow pushes
daytime highs slightly above climo by Saturday.

&&

.SHORT TERM FORECAST SOUTHWEST ALASKA (Days 1 and 2)...
An upper level closed low is positioned over the eastern Bering.
As this synoptic feature moves westward it will bring some showers
along the Kuskokwim Delta, and the Western Capes coastline
tonight. By Friday this upper level feature has a shortwave
swinging by with another round of showers for the Kuskokwim Delta
coastline. Look for fog development in the the Bristol Bay and
Kuskokwim Delta regions in the early morning hours on Friday. By
Saturday an upper level ridge builds into the Southwest Alaska
region bringing drier conditions accompanied by warmer
temperatures.

&&

.SHORT TERM FORECAST BERING SEA/ALEUTIANS (Days 1 and 2)...
The Western Aleutians/Bering remains under the influence of a
978 mb gale force low approaching this evening. The scatterometer
wind imagery is showing gale force southeasterly winds associated
with a weather front as it swings through tonight. This system
elongates as it extends eastward along the Aleutians heading into
the weekend. This synoptic feature brings widespread rain/stratus
along the Aleutian chain before streaming into the Bering.
Therefore, look for gale force northeasterly to easterly winds
through the western/central Bering through Saturday. Meanwhile,
the temperatures will modify as warmer air filters into the
region.

&&

.LONG TERM FORECAST (Days 3 through 7)...
The long term forecast continues to show a bit of a pattern change
for the mainland of Alaska. The dominant high pressure that has
produced so many cloudless days around much of the state recently
is in the process of weakening, and as the weekend progresses more
substantial cloudiness (with sunny breaks, though) will slowly
spread up Cook Inlet and also into Southwest Alaska. By early next
week, most areas will be under the influence of general (but
weak) low pressure, with diurnal (afternoon/evening) clouds and
showers even across the typical inland locations. Meanwhile, out
west, generally unsettled but benign weather will continue over
much of the Bering Sea and Aleutians. Despite the increased
cloudiness around the state, temperatures should stay seasonably
mild across most of the area.

&&

.AFC WATCHES/WARNINGS/ADVISORIES...
PUBLIC...None.
MARINE...Gale Warning 150 173 174 175 176 177 178.

&&

SYNOPSIS AND MODEL DISCUSSION...DS
SOUTHCENTRAL ALASKA...JA
SOUTHWEST ALASKA/BERING SEA/ALEUTIANS...PD
LONG TERM...AMD

The office that day

Everything else NWS Anchorage, AK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 21, 3:10 PM AKDTGale WarningAFC13 hr
Apr 21, 3:10 PM AKDTSmall Craft AdvisoryAFC3 days

Nearby

Small Craft Advisories in Alaska, 2017Every small craft advisory in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.