Alert archive / Alaska / Gale Warnings in 2017

Gale Warning 291, NWS Anchorage, AK

April 20, 2017

NWS Anchorage, AK issued this gale warning at Apr 20, 2017, 3:36 PM AKDT. It was in force for 36 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 20, 2017, 3:36 PM AKDT (23:36 UTC)
Expired
Apr 22, 2017, 4:02 AM AKDT
In force
36 hr
Issued by
NWS Anchorage, AK

The text

As transmitted.

470 
FZAK52 PAFC 202336
CWFALU

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
336 PM AKDT THU APR 20 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.

PKZ199-211230-
336 PM AKDT THU APR 20 2017
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...
A FRONT OVER THE WESTERN AND CENTRAL ALEUTIANS WILL STRENGTHEN 
THROUGH TONIGHT...THEN PUSH NORTH INTO THE WESTERN AND CENTRAL
BERING SEA THROUGH FRI NIGHT. A 994 MB LOW MOVES FROM 285 NM 
SOUTHEAST OF SAND POINT SAT MORNING TO 75 NM SOUTH OF SAND POINT 
SAT AFTERNOON.

$$

PKZ150-211230-
SOUTH OF THE AK PENINSULA SITKINAK TO CASTLE CAPE-
336 PM AKDT THU APR 20 2017

...GALE WARNING FRIDAY NIGHT...

.TONIGHT...E WIND 20 KT. SEAS 5 FT.
.FRI...NE WIND 30 KT. SEAS 10 FT.
.FRI NIGHT...NE WIND 35 KT. SEAS 14 FT. RAIN.
.SAT...E WIND 30 KT. SEAS 13 FT.
.SAT NIGHT...E WIND 25 KT. SEAS 11 FT.
.SUN THROUGH MON...E WIND 15 KT. SEAS 8 FT.
.TUE...VARIABLE WIND 10 KT. SEAS 7 FT.

$$

PKZ155-211230-
SOUTH OF THE AK PENINSULA CASTLE CAPE TO CAPE SARICHEF-
336 PM AKDT THU APR 20 2017

...SMALL CRAFT ADVISORY FRIDAY NIGHT...

.TONIGHT...E WIND 15 KT. SEAS 4 FT.
.FRI...NE WIND 20 KT. SEAS 6 FT.
.FRI NIGHT...NE WIND 25 KT...EXCEPT NE 15 KT W OF THE SHUMAGIN
ISLANDS. SEAS 11 FT...EXCEPT 7 FT W OF THE SHUMAGIN ISLANDS.
.SAT...NE WIND 25 KT. SEAS 10 FT.
.SAT NIGHT...SE WIND 20 KT. SEAS 9 FT.
.SUN...SE WIND 15 KT. SEAS 9 FT.
.MON...SE WIND 10 KT. SEAS 8 FT.
.TUE...VARIABLE WIND 10 KT. SEAS 6 FT.

$$

PKZ160-211230-
BRISTOL BAY-
336 PM AKDT THU APR 20 2017

...SMALL CRAFT ADVISORY FRIDAY NIGHT...

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

$$

PKZ165-211230-
PORT HEIDEN TO CAPE SARICHEF-
336 PM AKDT THU APR 20 2017

...SMALL CRAFT ADVISORY FRIDAY NIGHT...

.TONIGHT...E WIND 20 KT...EXCEPT VARIABLE 10 KT W OF PORT MOLLER. 
SEAS 3 FT.
.FRI...E WIND 15 KT. SEAS 3 FT. PATCHY FOG.
.FRI NIGHT...E WIND 15 KT INCREASING TO 25 KT AFTER MIDNIGHT.
SEAS 4 FT BUILDING TO 6 FT AFTER MIDNIGHT.
.SAT AND SAT NIGHT...E WIND 30 KT. SEAS 8 FT.
.SUN...E WIND 20 KT. SEAS 7 FT.
.MON...E WIND 15 KT. SEAS 3 FT.
.TUE...VARIABLE WIND 10 KT. SEAS 2 FT.

$$

PKZ170-211230-
CAPE SARICHEF TO NIKOLSKI BERING SIDE-
336 PM AKDT THU APR 20 2017

...SMALL CRAFT ADVISORY FRIDAY AND FRIDAY NIGHT...

.TONIGHT...SE WIND 15 KT. SEAS 3 FT.
.FRI...SE WIND 25 KT. SEAS 4 FT.
.FRI NIGHT...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 THROUGH MON...E WIND 15 KT. SEAS 5 FT.
.TUE...VARIABLE WIND 10 KT. SEAS 3 FT.

$$

PKZ171-211230-
UNALASKA BAY-
336 PM AKDT THU APR 20 2017

.TONIGHT...VARIABLE LESS THAN 10 KT BECOMING SE 10 KT 
AFTER MIDNIGHT. SEAS 2 FT.
.FRI AND FRI NIGHT...SE WIND 15 KT. SEAS 2 FT.
.SAT...E WIND 15 KT. SEAS 2 FT.
.SAT NIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT.
.SUN THROUGH MON...SE WIND 10 KT. SEAS 2 FT.
.TUE...VARIABLE WIND LESS THAN 10 KT. SEAS 1 FT.

$$

PKZ172-211230-
CAPE SARICHEF TO NIKOLSKI PACIFIC SIDE-
336 PM AKDT THU APR 20 2017

...SMALL CRAFT ADVISORY FRIDAY AND FRIDAY NIGHT...

.TONIGHT...SE WIND 15 KT. SEAS 4 FT.
.FRI...E WIND 25 KT. SEAS 6 FT.
.FRI NIGHT...E WIND 30 KT. SEAS 9 FT.
.SAT...E WIND 25 KT. SEAS 9 FT.
.SAT NIGHT...SE WIND 15 KT. SEAS 10 FT.
.SUN...VARIABLE WIND 10 KT. SEAS 10 FT.
.MON...SE WIND 15 KT. SEAS 10 FT.
.TUE...SW WIND 15 KT. SEAS 6 FT.

$$

PKZ173-211230-
NIKLOSKI TO SEGUAM ISLAND BERING SIDE-
336 PM AKDT THU APR 20 2017

...GALE WARNING FRIDAY AND FRIDAY NIGHT...

.TONIGHT...VARIABLE WIND 10 KT BECOMING SE 20 KT AFTER MIDNIGHT.
SEAS 4 FT.
.FRI...SE WIND 30 KT INCREASING TO 40 KT IN THE AFTERNOON. 
SEAS 6 FT BUILDING TO 13 FT IN THE AFTERNOON.
.FRI NIGHT...SE WIND 40 KT. SEAS 14 FT. RAIN.
.SAT...E WIND 30 KT. SEAS 11 FT.
.SAT NIGHT...E WIND 15 KT. SEAS 7 FT.
.SUN...VARIABLE WIND 10 KT. SEAS 6 FT.
.MON...E WIND 15 KT. SEAS 6 FT.
.TUE...VARIABLE WIND 10 KT. SEAS 4 FT.

$$

PKZ174-211230-
NIKOLSKI TO SEGUAM ISLAND PACIFIC SIDE-
336 PM AKDT THU APR 20 2017

...GALE WARNING FRIDAY AND FRIDAY NIGHT...

.TONIGHT...SE WIND 15 KT INCREASING TO 25 KT AFTER MIDNIGHT.
SEAS 7 FT.
.FRI...SE WIND 25 KT INCREASING TO 35 KT IN THE AFTERNOON. 
SEAS 9 FT BUILDING TO 14 FT IN THE AFTERNOON.
.FRI NIGHT...SE WIND 35 KT. SEAS 14 FT. RAIN.
.SAT...SE WIND 25 KT. SEAS 11 FT.
.SAT NIGHT...SE WIND 15 KT. SEAS 10 FT.
.SUN THROUGH MON...S WIND 15 KT. SEAS 10 FT.
.TUE...SW WIND 15 KT. SEAS 7 FT.

$$

PKZ175-211230-
SEGUAM ISLAND TO ADAK BERING SIDE-
336 PM AKDT THU APR 20 2017

...GALE WARNING FRIDAY AND FRIDAY NIGHT...

.TONIGHT...E WIND 20 KT BECOMING SE 30 KT AFTER MIDNIGHT. 
SEAS 6 FT.
.FRI...E WIND 30 KT INCREASING TO 40 KT IN THE AFTERNOON. 
SEAS 8 FT BUILDING TO 14 FT IN THE AFTERNOON. RAIN.
.FRI NIGHT...SE WIND 40 KT DIMINISHING TO 25 KT AFTER MIDNIGHT.
SEAS 14 FT SUBSIDING TO 9 FT AFTER MIDNIGHT.
.SAT...SE WIND 20 KT. SEAS 8 FT.
.SAT NIGHT...E WIND 15 KT. SEAS 6 FT.
.SUN THROUGH MON...NE WIND 15 KT. SEAS 6 FT.
.TUE...N WIND 15 KT. SEAS 5 FT.

$$

PKZ176-211230-
SEGUAM ISLAND TO ADAK PACIFIC SIDE-
336 PM AKDT THU APR 20 2017

...GALE WARNING THROUGH FRIDAY...

.TONIGHT...SE WIND 25 KT INCREASING TO 35 KT AFTER MIDNIGHT. 
SEAS 6 FT BUILDING TO 11 FT AFTER MIDNIGHT.
.FRI...SE WIND 35 KT. SEAS 14 FT. RAIN.
.FRI NIGHT...S WIND 25 KT. SEAS 13 FT.
.SAT...SE WIND 15 KT. SEAS 12 FT.
.SAT NIGHT...SE WIND 10 KT. SEAS 10 FT.
.SUN...VARIABLE WIND 10 KT. SEAS 10 FT.
.MON...N WIND 15 KT. SEAS 7 FT.
.TUE...NW WIND 15 KT. SEAS 7 FT.

$$

PKZ177-211230-
ADAK TO KISKA-
336 PM AKDT THU APR 20 2017

...GALE WARNING TONIGHT...

.TONIGHT...E WIND 40 KT. SEAS 11 FT BERING SIDE...18 FT PACIFIC 
SIDE.
.FRI...E WIND 30 KT. SEAS 16 FT.
.FRI NIGHT...E WIND 30 KT BECOMING SE 20 KT AFTER MIDNIGHT.
SEAS 12 FT.
.SAT...SE WIND 20 KT. SEAS 11 FT.
.SAT NIGHT...E WIND 20 KT. SEAS 11 FT.
.SUN...NE WIND 15 KT. SEAS 9 FT.
.MON THROUGH TUE...N WIND 20 KT. SEAS 8 FT.

$$

PKZ178-211230-
KISKA TO ATTU-
336 PM AKDT THU APR 20 2017

...GALE WARNING THROUGH FRIDAY...

.TONIGHT...E WIND 40 KT. SEAS 15 FT BERING SIDE...21 FT PACIFIC
SIDE.
.FRI...NE WIND 35 KT. SEAS 15 FT BERING SIDE...20 FT PACIFIC SIDE.
.FRI NIGHT...NE WIND 30 KT. SEAS 15 FT.
.SAT...N WIND 30 KT. SEAS 15 FT.
.SAT NIGHT...E WIND 30 KT. SEAS 13 FT.
.SUN THROUGH TUE...N WIND 25 KT. SEAS 11 FT.

$$

PKZ179-211230-
PRIBILOF ISLANDS NEAR SHORE WATERS-
336 PM AKDT THU APR 20 2017

...SMALL CRAFT ADVISORY FRIDAY NIGHT...

.TONIGHT...VARIABLE WIND 10 KT BECOMING SE 15 KT AFTER MIDNIGHT. 
SEAS 4 FT. 
.FRI...SE WIND 20 KT. SEAS 4 FT.
.FRI NIGHT...E WIND 25 KT. SEAS 7 FT.
.SAT AND SAT NIGHT...NE WIND 25 KT. SEAS 8 FT.
.SUN...E WIND 25 KT. SEAS 8 FT.
.MON THROUGH TUE...NE WIND 15 KT. SEAS 4 FT.

$$

PKZ180-211230-
KUSKOKWIM DELTA AND ETOLIN STRAIT-
336 PM AKDT THU APR 20 2017

.TONIGHT...E WIND 15 KT. SEAS IN ICE FREE WATERS 3 FT.
.FRI...E WIND 20 KT. SEAS IN ICE FREE WATERS 4 FT.
.FRI NIGHT...E WIND 20 KT. SEAS IN ICE FREE WATERS 5 FT.
.SAT AND SAT NIGHT...E WIND 30 KT. SEAS IN ICE FREE WATERS 7 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.

$$

PKZ181-211230-
NORTH AND WEST OF NUNIVAK ISLAND-
336 PM AKDT THU APR 20 2017

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

$$

PKZ185-211230-
SAINT MATTHEW ISLAND WATERS-
336 PM AKDT THU APR 20 2017

...SMALL CRAFT ADVISORY FRIDAY AND FRIDAY NIGHT...

.TONIGHT...NE WIND 20 KT. SEAS IN ICE FREE WATERS 5 FT.
.FRI...E WIND 20 KT E OF SAINT MATTHEW ISLAND...NE 25 KT W OF
SAINT MATTHEW ISLAND. SEAS IN ICE FREE WATERS 6 FT.
.FRI NIGHT...E WIND 20 KT E OF SAINT MATTHEW ISLAND...E 25 KT W OF
SAINT MATTHEW ISLAND. SEAS IN ICE FREE WATERS 7 FT.
.SAT AND SAT NIGHT...NE WIND 30 KT. SEAS IN ICE FREE WATERS 11 FT.
.SUN THROUGH TUE...NE WIND 30 KT. SEAS IN ICE FREE WATERS 10 FT.

$$
3 follow-up statements
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.

$$
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.

$$

What forecasters said that day

The local office's own words before this gale warning 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 gale warning went out at Apr 20, 4:56 AM AKDT, 10 hours 40 minutes earlier.

Area forecast discussion, Apr 20, 4:56 AM AKDT, 10 hours 40 minutes before
Southcentral and Southwest Alaska Forecast Discussion...CORRECTED
National Weather Service Anchorage AK
456 AM AKDT Thu Apr 20 2017

.ANALYSIS AND UPPER LEVELS...

The synoptic pattern features the Arctic high with a central
pressure of 1035 mb north of Barrow and a closed low over the
Bering Sea. The Alaska Range is helping to block incoming cold
from the Arctic and limit the strongest winds to the Interior.
Taking a glimpse south...there is a mature low well south of the
Gulf of Alaska.

In the near term...the Anchorage metro area can expect another
full day of mild and pleasant weather. The system near the
Pribilofs is progged to retrograde while a secondary perturbation
gets steered into the western Aleutians. All the while...the next
storm pushes north from the Gulf of Alaska which will result in
a moisture surge over Kodiak Island and AK Peninsula complete with
upslope enhancement.

&&

.MODEL DISCUSSION...
This forecast package incorporated the latest run of the GFS with
storms trending north over the Western Aleutian. For the east
domain the enhanced pops/QPF shifted to the west.

&&

.AVIATION...
PANC...VFR conditions are anticipated for the ensuing 24 hr
period.

&&

.SHORT TERM FORECAST SOUTHCENTRAL ALASKA (Days 1 and 2)...
High pressure will remain over the Southcentral mainland through
Friday night. This will keep conditions dry and skies fairly
clear. A low pressure system will work its way into the southern
Gulf of Alaska on Friday and Friday night. This will bring rain
into Kodiak Island. Some rain could also make it as far north as
the Kenai Peninsula, but most of the moisture and dynamics will
stay to the south.

&&

.SHORT TERM FORECAST SOUTHWEST ALASKA (Days 1 and 2...Thu and Fri)...
The broad area of low pressure that remains offshore between the
Pribilof Islands and Southwest AK continues to meander about. It
has pushed a wide swath of marine layer stratus onshore through
the overnight hours. As inversions have set-up inland this morning,
some of this low-level moisture has gotten trapped at the surface
as fog. The low will take its time making any movement through
the day today. So while the fog should dissipate as the sun
provides some mixing, the stratus will be quite slow to pull
offshore. A pocket of colder air aloft associated with the low
could help to trigger some instability showers this afternoon.
These will mostly be located over the western parts of Bristol
Bay and the YK-Delta.

For Friday, some weak induced ridging will move through as the
afore mentioned low moving into the Bering and a stronger low
moves into the Gulf of AK. This should make for a dry day for
almost all locations and possibly even a few breaks in the clouds.
As the front over the Gulf of AK moves closer and closer on Fri,
expect increasing northeasterly winds, especially over Bristol
Bay. These winds will continue to increase into early Sat reaching
sustained speeds of 20-30 mph with gusts to near 40 mph.

&&

.SHORT TERM FORECAST BERING SEA/ALEUTIANS (Days 1 and 2...Thu and
Fri)...
Several lows will impact the weather for the next couple of days.
The first low was already discussed over the Eastern Bering. It
will bring plenty of marine stratus and some isolated rain/snow
showers with it as it slowly drifts towards the Pribilof Islands
today. Another low will remain southwest of Attu today, but it
will push a gale-force front into the Western Aleutians. We
trended the forecast slightly stronger and further north with this
feature. Some storm-force gusts are likely near Shemya by this
afternoon. It will also bring a wide swath of moderate rain with
it. This boundary will stall over the Western Aleutians until a
new low develops on it near Adak on Fri. This low will then become
the dominant feature as it pushes north into the Bering to start
the weekend. Finally, the previously mentioned low over the Gulf
of AK will move toward the Alaska Peninsula by late Fri. It will
bring increasing northeast winds to the area and eventually some
rain and warmer air as we move into the weekend.

&&

.LONG TERM FORECAST (Days 3 through 7)...

Fri night through Sat a front will swing through the Gulf and
another through the central Aleutians. Both will bring small craft
and gale force winds to the their areas, with rain limited to
coastal locations.

Afterwards, several low pressure centers and associated fronts
will migrate east along the Aleutian chain, headed ultimately for
the Alaska Peninsula and the north Gulf coast. These systems will
bring rain to the Aleutians, and abundant rain to the Gulf coast.
As the systems consolidate near the Alaska Peninsula over the
weekend and into early next week, rain over the valleys with some
higher elevation snow will become more common over mountain ranges
of Southcentral south of the Alaska range.

The forecast relies on a conglomeration of operational and
ensemble forecasts in an attempt to depict movement and placement
of lows along the chain. This lowers forecast confidence since
the models themselves currently have divergent solutions.

&&

.AFC WATCHES/WARNINGS/ADVISORIES...
PUBLIC...None.
MARINE...Gale 131 138 173 174 175 176 177 178.

&&

SYNOPSIS AND MODEL DISCUSSION...PS
SOUTHCENTRAL ALASKA...BL
SOUTHWEST ALASKA/BERING SEA/ALEUTIANS...MSO
LONG TERM...DS

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 20, 3:32 AM AKDTGale WarningAFC60 hr
Apr 20, 3:32 AM AKDTSmall Craft AdvisoryAFC4 days
Apr 20, 3:58 AM AKDTGale WarningAFC59 hr
Apr 20, 4:01 AM AKDTGale WarningAFC48 hr
Apr 20, 4:01 AM AKDTSmall Craft AdvisoryAFC5 days
Apr 20, 3:15 PM AKDTGale WarningAFC37 hr
Apr 20, 3:21 PM AKDTGale WarningAFC48 hr
Apr 20, 3:24 PM AKDTGale WarningAFC61 hr
Apr 20, 3:36 PM AKDTSmall Craft AdvisoryAFC4 days

Nearby

Gale Warnings in Alaska, 2017Every gale warning 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.