Alert archive / Alaska / Small Craft Advisories in 2017

Small Craft Advisory 68, NWS Anchorage, AK

January 20, 2017

NWS Anchorage, AK issued this small craft advisory at Jan 20, 2017, 3:46 PM AKST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Jan 20, 2017, 3:46 PM AKST (00:46 UTC)
Expired
Jan 21, 2017, 3:30 AM AKST
In force
12 hr
Issued by
NWS Anchorage, AK

The text

As transmitted.

388 
FZAK52 PAFC 210046
CWFALU

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
346 PM AKST FRI JAN 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.

PKZ199-211345-
346 PM AKST FRI JAN 20 2017
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...
BOGOSLOF VOLCANO 53 NM WEST OF DUTCH HARBOR REMAINS ACTIVE. A
NORTH PACIFIC LOW MOVES TO 500 NM SOUTHWEST OF SAINT PAUL AT 969
MB SAT AFTERNOON...THEN DEEPENS TO 945 MB AS IT MOVES TO 75 NM
SOUTHWEST OF ADAK SUN AFTERNOON. AN ASSOCIATED FRONT MOVES TO THE
WESTERN ALEUTIANS TONIGHT THEN STRENGTHENS OVER THE SOUTHERN
BERING AND ALEUTIAN ISLANDS THROUGH SUN.

$$

PKZ150-211345-
SOUTH OF THE AK PENINSULA SITKINAK TO CASTLE CAPE-
346 PM AKST FRI JAN 20 2017

...GALE WARNING THROUGH SATURDAY NIGHT...
...HEAVY FREEZING SPRAY WARNING SATURDAY NIGHT...

.TONIGHT...NW WIND 35 KT. SEAS 10 FT. FREEZING SPRAY.
.SAT...NW WIND 35 KT. SEAS 10 FT. FREEZING SPRAY.
.SAT NIGHT...NW WIND 35 KT. SEAS 9 FT. HEAVY FREEZING SPRAY.
.SUN...NW WIND 25 KT. SEAS 7 FT.
.SUN NIGHT...SE WIND 40 KT. SEAS 16 FT.
.MON...SE WIND 30 KT. SEAS 18 FT.
.TUE...E WIND 20 KT. SEAS 21 FT.
.WED...S WIND 15 KT. SEAS 11 FT.

$$

PKZ155-211345-
SOUTH OF THE AK PENINSULA CASTLE CAPE TO CAPE SARICHEF-
346 PM AKST FRI JAN 20 2017

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

.TONIGHT...NW WIND 30 KT. SEAS 10 FT. FREEZING SPRAY.
.SAT...NW WIND 30 KT. SEAS 10 FT. FREEZING SPRAY.
.SAT NIGHT...S WIND 25 KT. FROM THE SHUMAGIN ISLANDS E... NW WIND
30 KT BECOMING W 15 KT AFTER MIDNIGHT. SEAS 7 FT. FREEZING SPRAY.
.SUN AND SUN NIGHT...SE WIND 45 KT. SEAS 19 FT.
.MON...SE WIND 25 KT. SEAS 23 FT.
.TUE...N WIND 25 KT. SEAS 23 FT.
.WED...NW WIND 20 KT. SEAS 10 FT.

$$

PKZ160-211345-
BRISTOL BAY-
346 PM AKST FRI JAN 20 2017

...HEAVY FREEZING SPRAY WARNING THROUGH SATURDAY...
...SMALL CRAFT ADVISORY THROUGH SATURDAY...

.TONIGHT...NW WIND 30 KT. SEAS IN ICE FREE WATERS 7 FT. HEAVY
FREEZING SPRAY.
.SAT...N WIND 25 KT. SEAS IN ICE FREE WATERS 5 FT. HEAVY FREEZING
SPRAY.
.SAT NIGHT...N WIND 20 KT BECOMING NE 10 KT AFTER MIDNIGHT. SEAS
IN ICE FREE WATERS 3 FT.
.SUN...NE WIND 25 KT. SEAS IN ICE FREE WATERS 4 FT.
.SUN NIGHT...NE WIND 35 KT. SEAS IN ICE FREE WATERS 7 FT.
.MON...NE WIND 35 KT. SEAS IN ICE FREE WATERS 7 FT.
.TUE...NE WIND 20 KT. SEAS IN ICE FREE WATERS 5 FT.
.WED...NE WIND 15 KT. SEAS IN ICE FREE WATERS 4 FT.

$$

PKZ165-211345-
PORT HEIDEN TO CAPE SARICHEF-
346 PM AKST FRI JAN 20 2017

...HEAVY FREEZING SPRAY WARNING THROUGH SATURDAY...
...SMALL CRAFT ADVISORY THROUGH SATURDAY...

.TONIGHT...NW WIND 30 KT. SEAS 10 FT. HEAVY FREEZING SPRAY.
.SAT...N WIND 25 KT BECOMING SE 15 KT IN THE AFTERNOON. FROM PORT
MOLLER E...NW WIND 30 KT. SEAS 8 FT. HEAVY FREEZING SPRAY.
.SAT NIGHT...W WIND 20 KT BECOMING SE AFTER MIDNIGHT. SEAS 5 FT.
FREEZING SPRAY.
.SUN...E WIND 45 KT. SEAS 10 FT.
.SUN NIGHT...E WIND 45 KT. SEAS 15 FT.
.MON...E WIND 35 KT. SEAS 11 FT.
.TUE THROUGH WED...N WIND 30 KT. SEAS 12 FT.

$$

PKZ170-211345-
CAPE SARICHEF TO NIKOLSKI BERING SIDE-
346 PM AKST FRI JAN 20 2017

...GALE WARNING SATURDAY NIGHT...

.TONIGHT...N WIND 25 KT. SEAS 7 FT. FREEZING SPRAY.
.SAT...N WIND 15 KT IN THE MORNING BECOMING VARIABLE 10 KT. SEAS
6 FT.
.SAT NIGHT...SE WIND 20 KT INCREASING TO 40 KT AFTER MIDNIGHT.
SEAS 7 FT. FREEZING SPRAY.
.SUN...E WIND 55 KT. SEAS 20 FT.
.SUN NIGHT...SE WIND 50 KT. SEAS 19 FT.
.MON...NE WIND 35 KT. SEAS 20 FT.
.TUE...N WIND 30 KT. SEAS 18 FT.
.WED...N WIND 30 KT. SEAS 12 FT.

$$

PKZ171-211345-
UNALASKA BAY-
346 PM AKST FRI JAN 20 2017

...SMALL CRAFT ADVISORY SATURDAY NIGHT...

.TONIGHT...N WIND 15 KT BECOMING W AFTER MIDNIGHT. SEAS 5 FT
SUBSIDING TO 2 FT AFTER MIDNIGHT. SNOW SHOWERS.
.SAT...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT.
.SAT NIGHT...SE WIND 10 KT INCREASING TO 30 KT AFTER MIDNIGHT.
SEAS 2 FT BUILDING TO 5 FT AFTER MIDNIGHT. SNOW.
.SUN...E WIND 50 KT. SEAS 8 FT.
.SUN NIGHT...SE WIND 30 KT. SEAS 5 FT.
.MON...NE WIND 25 KT. SEAS 10 FT.
.TUE...N WIND 25 KT. SEAS 10 FT.
.WED...N WIND 20 KT. SEAS 7 FT.

$$

PKZ172-211345-
CAPE SARICHEF TO NIKOLSKI PACIFIC SIDE-
346 PM AKST FRI JAN 20 2017

...GALE WARNING SATURDAY NIGHT...

.TONIGHT...N WIND 30 KT. SEAS 8 FT. FREEZING SPRAY.
.SAT...W WIND 15 KT IN THE MORNING BECOMING VARIABLE 10 KT. SEAS
5 FT.
.SAT NIGHT...SE WIND 25 KT INCREASING TO 45 KT AFTER MIDNIGHT.
SEAS 5 FT BUILDING TO 11 FT AFTER MIDNIGHT. FREEZING SPRAY. SNOW.
.SUN...SE WIND 50 KT. SEAS 23 FT.
.SUN NIGHT...S WIND 35 KT. SEAS 23 FT.
.MON...NE WIND 30 KT. SEAS 25 FT.
.TUE...N WIND 30 KT. SEAS 22 FT.
.WED...N WIND 25 KT. SEAS 9 FT.

$$

PKZ173-211345-
NIKOLSKI TO SEGUAM ISLAND BERING SIDE-
346 PM AKST FRI JAN 20 2017

...STORM WARNING SATURDAY NIGHT...

.TONIGHT...NW WIND 20 KT. SEAS 8 FT. FREEZING SPRAY.
.SAT...VARIABLE WIND 10 KT BECOMING SE 20 KT IN THE AFTERNOON.
SEAS 6 FT.
.SAT NIGHT...E WIND 35 KT INCREASING TO 50 KT AFTER MIDNIGHT. SEAS
8 FT BUILDING TO 16 FT AFTER MIDNIGHT. SNOW.
.SUN...E WIND 55 KT. SEAS 24 FT.
.SUN NIGHT...SE WIND 30 KT. SEAS 18 FT.
.MON...N WIND 35 KT. SEAS 22 FT.
.TUE...N WIND 30 KT. SEAS 19 FT.
.WED...N WIND 30 KT. SEAS 11 FT.

$$

PKZ174-211345-
NIKOLSKI TO SEGUAM ISLAND PACIFIC SIDE-
346 PM AKST FRI JAN 20 2017

...STORM WARNING SATURDAY NIGHT...

.TONIGHT...NW WIND 25 KT BECOMING W 15 KT AFTER MIDNIGHT. SEAS 8
FT. FREEZING SPRAY.
.SAT...S WIND 15 KT BECOMING SE 25 KT IN THE AFTERNOON. SEAS 6 FT.
.SAT NIGHT...SE WIND 40 KT BECOMING E 50 KT AFTER MIDNIGHT. SEAS
11 FT BUILDING TO 20 FT AFTER MIDNIGHT. SNOW.
.SUN...SE WIND 50 KT. SEAS 23 FT.
.SUN NIGHT...S WIND 30 KT. SEAS 24 FT.
.MON...N WIND 35 KT. SEAS 27 FT.
.TUE...N WIND 30 KT. SEAS 19 FT.
.WED...N WIND 25 KT. SEAS 12 FT.

$$

PKZ175-211345-
SEGUAM ISLAND TO ADAK BERING SIDE-
346 PM AKST FRI JAN 20 2017

...STORM WARNING SATURDAY NIGHT...

.TONIGHT...W WIND 15 KT BECOMING S AFTER MIDNIGHT. SEAS 7 FT.
FREEZING SPRAY.
.SAT...SE WIND 30 KT. SEAS 8 FT. SNOW.
.SAT NIGHT...E WIND 40 KT INCREASING TO 55 KT AFTER MIDNIGHT. SEAS
12 FT BUILDING TO 21 FT AFTER MIDNIGHT. SNOW.
.SUN...E WIND 60 KT. SEAS 28 FT.
.SUN NIGHT...NE WIND 50 KT. SEAS 24 FT.
.MON...N WIND 50 KT. SEAS 30 FT.
.TUE...N WIND 25 KT. SEAS 18 FT.
.WED...N WIND 25 KT. SEAS 10 FT.

$$

PKZ176-211345-
SEGUAM ISLAND TO ADAK PACIFIC SIDE-
346 PM AKST FRI JAN 20 2017

...STORM WARNING SATURDAY NIGHT...

.TONIGHT...W WIND 15 KT BECOMING S 25 KT AFTER MIDNIGHT. SEAS 6
FT. FREEZING SPRAY.
.SAT...SE WIND 35 KT. SEAS 7 FT BUILDING TO 12 FT IN THE
AFTERNOON. SNOW.
.SAT NIGHT...E WIND 50 KT. SEAS 21 FT. RAIN AND SNOW.
.SUN...SE WIND 40 KT. SEAS 21 FT.
.SUN NIGHT...E WIND 30 KT. SEAS 25 FT.
.MON...N WIND 50 KT. SEAS 27 FT.
.TUE...N WIND 30 KT. SEAS 15 FT.
.WED...NE WIND 20 KT. SEAS 11 FT.

$$

PKZ177-211345-
ADAK TO KISKA-
346 PM AKST FRI JAN 20 2017

...STORM WARNING SATURDAY NIGHT...

.TONIGHT...SE WIND 25 KT INCREASING TO 35 KT AFTER MIDNIGHT. SEAS
8 FT. FREEZING SPRAY. SNOW.
.SAT...E WIND 35 KT. SEAS 12 FT. SNOW.
.SAT NIGHT...E WIND 45 KT INCREASING TO 55 KT AFTER MIDNIGHT. SEAS
17 FT BUILDING TO 25 FT AFTER MIDNIGHT. RAIN AND SNOW.
.SUN...NE WIND 60 KT. SEAS 34 FT.
.SUN NIGHT...N WIND 55 KT. SEAS 34 FT.
.MON...N WIND 50 KT. SEAS 33 FT.
.TUE...NE WIND 25 KT. SEAS 16 FT.
.WED...NE WIND 20 KT. SEAS 12 FT.

$$

PKZ178-211345-
KISKA TO ATTU-
346 PM AKST FRI JAN 20 2017

...STORM WARNING SATURDAY NIGHT...

.TONIGHT...SE WIND 35 KT. SEAS 13 FT. FREEZING SPRAY. SNOW.
.SAT...E WIND 35 KT. SEAS 13 FT.
.SAT NIGHT...NE WIND 45 KT INCREASING TO 55 KT AFTER MIDNIGHT.
SEAS 17 FT BUILDING TO 27 FT AFTER MIDNIGHT. SNOW AND RAIN.
.SUN...NE WIND 55 KT. SEAS 32 FT.
.SUN NIGHT...N WIND 50 KT. SEAS 32 FT.
.MON...N WIND 35 KT. SEAS 25 FT.
.TUE...E WIND 30 KT. SEAS 15 FT.
.WED...E WIND 25 KT. SEAS 16 FT.

$$

PKZ179-211345-
PRIBILOF ISLANDS NEAR SHORE WATERS-
346 PM AKST FRI JAN 20 2017

...SMALL CRAFT ADVISORY SATURDAY AND SATURDAY NIGHT...

.TONIGHT...NE WIND 15 KT BECOMING S AFTER MIDNIGHT. SEAS 5 FT.
SNOW SHOWERS.
.SAT...W WIND 25 KT IN THE MORNING BECOMING VARIABLE 10 KT. SEAS
5 FT. FREEZING SPRAY.
.SAT NIGHT...NE WIND 15 KT BECOMING E 25 KT AFTER MIDNIGHT. SEAS
4 FT. FREEZING SPRAY.
.SUN...E WIND 45 KT. SEAS 19 FT.
.SUN NIGHT...NE WIND 50 KT. SEAS 25 FT.
.MON...NE WIND 45 KT. SEAS 22 FT.
.TUE THROUGH WED...N WIND 30 KT. SEAS 13 FT.

$$

PKZ180-211345-
KUSKOKWIM DELTA AND ETOLIN STRAIT-
346 PM AKST FRI JAN 20 2017

...HEAVY FREEZING SPRAY WARNING THROUGH SATURDAY NIGHT...
...SMALL CRAFT ADVISORY THROUGH SATURDAY...

.TONIGHT...N WIND 30 KT. SEAS IN ICE FREE WATERS 7 FT. HEAVY
FREEZING SPRAY.
.SAT...N WIND 30 KT BECOMING NE 20 KT IN THE AFTERNOON. SEAS IN
ICE FREE WATERS 5 FT. HEAVY FREEZING SPRAY.
.SAT NIGHT...NE WIND 20 KT. SEAS IN ICE FREE WATERS 3 FT. HEAVY
FREEZING SPRAY.
.SUN...NE WIND 30 KT. SEAS IN ICE FREE WATERS 6 FT.
.SUN NIGHT...NE WIND 40 KT. SEAS IN ICE FREE WATERS 13 FT.
.MON...NE WIND 40 KT. SEAS IN ICE FREE WATERS 13 FT.
.TUE THROUGH WED...N WIND 30 KT. SEAS IN ICE FREE WATERS 9 FT.

$$

PKZ181-211345-
NORTH AND WEST OF NUNIVAK ISLAND-
346 PM AKST FRI JAN 20 2017

.TONIGHT...N WIND 15 KT.
.SAT...E WIND 20 KT.
.SAT NIGHT...E WIND 20 KT.
.SUN...E WIND 30 KT.
.SUN NIGHT...NE WIND 35 KT.
.MON...NE WIND 35 KT.
.TUE THROUGH WED...N WIND 30 KT.

$$

PKZ185-211345-
SAINT MATTHEW ISLAND WATERS-
346 PM AKST FRI JAN 20 2017

...HEAVY FREEZING SPRAY WARNING THROUGH SATURDAY NIGHT...
...SMALL CRAFT ADVISORY SATURDAY AND SATURDAY NIGHT...

.TONIGHT...N WIND 20 KT. SEAS 5 FT. HEAVY FREEZING SPRAY.
.SAT...N WIND 25 KT. SEAS 4 FT. HEAVY FREEZING SPRAY.
.SAT NIGHT...E WIND 25 KT. SEAS 5 FT. HEAVY FREEZING SPRAY.
.SUN...E WIND 30 KT. SEAS 11 FT.
.SUN NIGHT...NE WIND 35 KT. SEAS 17 FT.
.MON...NE WIND 35 KT. SEAS 18 FT.
.TUE...N WIND 30 KT. SEAS 10 FT.
.WED...N WIND 25 KT. SEAS 7 FT.

$$
1 follow-up statement
544 
FZAK52 PAFC 211230
CWFALU

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
330 AM AKST SAT JAN 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.

PKZ199-220100-
330 AM AKST SAT JAN 21 2017
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...
BOGOSLOF VOLCANO 53 NM WEST OF DUTCH HARBOR REMAINS ACTIVE. A 1013
MB LOW 160 NM NORTH OF SAINT PAUL ISLAND MOVES TO 50 NM SOUTHWEST
OF PORT HEIDEN DISSIPATING SUN MORNING. A NORTH PACIFIC LOW MOVES
TO 170 NM SOUTHWEST OF ADAK AT 945 MB SUN AFTERNOON THEN SHIFTS
TO 200 NM SOUTHEAST OF ATKA AT 953 MB BY MON MORNING. THE ASSOCIATED
FRONT PUSHES INTO THE ALASKA PENINSULA BY MON MORNING.

$$

PKZ150-220100-
SOUTH OF THE AK PENINSULA SITKINAK TO CASTLE CAPE-
330 AM AKST SAT JAN 21 2017

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...NW WIND 30 KT. GUSTS TO 45 KT OUT OF BAYS AND PASSES.
SEAS 10 FT. FREEZING SPRAY.
.TONIGHT...NW WIND 30 KT. GUSTS TO 45 KT OUT OF BAYS AND PASSES IN
THE EVENING. SEAS 9 FT. FREEZING SPRAY.
.SUN...NW WIND 25 KT BECOMING E 15 KT IN THE AFTERNOON.
SEAS 6 FT. FREEZING SPRAY.
.SUN NIGHT...E WIND 40 KT. SEAS 14 FT.
.MON...SE WIND 35 KT. SEAS 19 FT.
.TUE...E WIND 20 KT. SEAS 23 FT.
.WED...S WIND 20 KT. SEAS 17 FT.

$$

PKZ155-220100-
SOUTH OF THE AK PENINSULA CASTLE CAPE TO CAPE SARICHEF-
330 AM AKST SAT JAN 21 2017

...STORM WARNING SUNDAY...

.TODAY...NW WIND 30 KT BECOMING VARIABLE 15 KT W OF THE SHUMAGIN
ISLANDS IN THE AFTERNOON. GUSTS TO 45 KT OUT OF BAYS AND PASSES IN
THE MORNING...MAINLY FROM THE SHUMAGIN ISLANDS E. SEAS 9 FT.
FREEZING SPRAY.
.TONIGHT...W WIND 15 KT EXCEPT NW 25 KT FROM THE SHUMAGIN ISLANDS
E. SEAS 7 FT. FREEZING SPRAY.
.SUN...SE WIND 25 KT INCREASING TO 50 KT IN THE AFTERNOON...SEAS
6 FT BUILDING TO 16 FT IN THE AFTERNOON. FROM THE SHUMAGIN ISLANDS
E...N WIND 15 KT BECOMING E 30 KT IN THE AFTERNOON...SEAS 6 FT.
FREEZING SPRAY.
.SUN NIGHT...SE WIND 50 KT. SEAS 19 FT.
.MON...SE WIND 25 KT. SEAS 25 FT.
.TUE...N WIND 20 KT. SEAS 25 FT.
.WED...NW WIND 20 KT. SEAS 15 FT.

$$

PKZ160-220100-
BRISTOL BAY-
330 AM AKST SAT JAN 21 2017

...HEAVY FREEZING SPRAY WARNING THROUGH SUNDAY...
...SMALL CRAFT ADVISORY SUNDAY...

.TODAY...N WIND 15 KT. SEAS IN ICE FREE WATERS 5 FT.
HEAVY FREEZING SPRAY.
.TONIGHT...N WIND 15 KT BECOMING NE 10 KT AFTER MIDNIGHT.
SEAS IN ICE FREE WATERS 3 FT. HEAVY FREEZING SPRAY IN THE EVENING.
.SUN...NE WIND 15 KT BECOMING E 25 KT IN THE AFTERNOON.
SEAS IN ICE FREE WATERS 3 FT. HEAVY FREEZING SPRAY.
.SUN NIGHT...NE WIND 35 KT. SEAS IN ICE FREE WATERS 7 FT.
.MON...E WIND 40 KT. SEAS IN ICE FREE WATERS 8 FT.
.TUE...NE WIND 25 KT. SEAS IN ICE FREE WATERS 4 FT.
.WED...NE WIND 15 KT. SEAS IN ICE FREE WATERS 2 FT.

$$

PKZ165-220100-
PORT HEIDEN TO CAPE SARICHEF-
330 AM AKST SAT JAN 21 2017

...GALE WARNING SUNDAY...
...HEAVY FREEZING SPRAY WARNING TODAY...

.TODAY...N WIND 25 KT DIMINISHING TO 15 KT IN THE AFTERNOON.
W OF PORT MOLLER...N WIND 20 KT BECOMING S IN THE AFTERNOON.
SEAS 8 FT. HEAVY FREEZING SPRAY.
.TONIGHT...VARIABLE WIND 15 KT. SEAS 4 FT. FREEZING SPRAY.
.SUN...E WIND 30 KT INCREASING TO 45 KT IN THE AFTERNOON. FROM
PORT MOLLER E...NE WIND 20 KT BECOMING E 30 KT IN THE AFTERNOON.
SEAS 5 FT BUILDING TO 9 FT IN THE AFTERNOON. FREEZING SPRAY.
.SUN NIGHT...E WIND 50 KT. SEAS 14 FT.
.MON...E WIND 40 KT. SEAS 11 FT.
.TUE...N WIND 25 KT. SEAS 10 FT.
.WED...NW WIND 20 KT. SEAS 8 FT.

$$

PKZ170-220100-
CAPE SARICHEF TO NIKOLSKI BERING SIDE-
330 AM AKST SAT JAN 21 2017

...STORM WARNING SUNDAY...

.TODAY...VARIABLE WIND 15 KT. SEAS 5 FT.
.TONIGHT...S WIND 15 KT BECOMING SE 30 KT AFTER MIDNIGHT.
SEAS 6 FT.
.SUN...E WIND 40 KT INCREASING TO 60 KT IN THE AFTERNOON. 
SEAS 12 FT BUILDING TO 20 FT IN THE AFTERNOON. SNOW AND RAIN.
.SUN NIGHT...SE WIND 55 KT. SEAS 21 FT.
.MON...NE WIND 20 KT. SEAS 12 FT.
.TUE...N WIND 30 KT. SEAS 13 FT.
.WED...N WIND 25 KT. SEAS 10 FT.

$$

PKZ171-220100-
UNALASKA BAY-
330 AM AKST SAT JAN 21 2017

...STORM WARNING SUNDAY...

.TODAY...VARIABLE WIND 10 KT. SEAS 3 FT.
.TONIGHT...VARIABLE WIND LESS THAN 10 KT BECOMING SE 20 KT AFTER
MIDNIGHT. SEAS 3 FT. SNOW.
.SUN...SE WIND 30 KT BECOMING E 50 KT IN THE AFTERNOON. SEAS 8 FT.
SNOW AND RAIN.
.SUN NIGHT...SE WIND 35 KT. SEAS 5 FT.
.MON...NE WIND 20 KT. SEAS 3 FT.
.TUE...NW WIND 20 KT. SEAS 5 FT.
.WED...NW WIND 15 KT. SEAS 5 FT.

$$

PKZ172-220100-
CAPE SARICHEF TO NIKOLSKI PACIFIC SIDE-
330 AM AKST SAT JAN 21 2017

...STORM WARNING SUNDAY...

.TODAY...NW WIND 15 KT IN THE MORNING BECOMING VARIABLE 10 KT.
SEAS 6 FT.
.TONIGHT...S WIND 15 KT BECOMING SE 35 KT AFTER MIDNIGHT.
SEAS 4 FT BUILDING TO 10 FT AFTER MIDNIGHT.
.SUN...SE WIND 45 KT INCREASING TO 55 KT BY NOON. SEAS 24 FT.
SNOW AND RAIN.
.SUN NIGHT...S WIND 40 KT. SEAS 22 FT.
.MON...E WIND 25 KT. SEAS 27 FT.
.TUE...NW WIND 25 KT. SEAS 23 FT.
.WED...NW WIND 20 KT. SEAS 12 FT.

$$

PKZ173-220100-
NIKLOSKI TO SEGUAM ISLAND BERING SIDE-
330 AM AKST SAT JAN 21 2017

...STORM WARNING TONIGHT AND SUNDAY...

.TODAY...VARIABLE WIND 10 KT BECOMING SE 20 KT IN THE AFTERNOON.
SEAS 5 FT.
.TONIGHT...SE WIND 30 KT BECOMING E 50 KT AFTER MIDNIGHT. 
SEAS 7 FT BUILDING TO 15 FT AFTER MIDNIGHT.
.SUN...E WIND 60 KT BECOMING SE 45 KT IN THE AFTERNOON.
SEAS 26 FT. WIDESPREAD RAIN AND SNOW SHOWERS.
.SUN NIGHT...SE WIND 30 KT. SEAS 19 FT.
.MON THROUGH TUE...N WIND 30 KT. SEAS 16 FT.
.WED...N WIND 25 KT. SEAS 10 FT.

$$

PKZ174-220100-
NIKOLSKI TO SEGUAM ISLAND PACIFIC SIDE-
330 AM AKST SAT JAN 21 2017

...STORM WARNING TONIGHT AND SUNDAY...

.TODAY...VARIABLE WIND 10 KT BECOMING SE 20 KT IN THE AFTERNOON.
SEAS 6 FT.
.TONIGHT...SE WIND 30 KT BECOMING E 55 KT AFTER MIDNIGHT. SEAS 10
FT BUILDING TO 20 FT AFTER MIDNIGHT. SNOW AND RAIN.
.SUN...E WIND 60 KT BECOMING S 45 KT IN THE AFTERNOON. SEAS 25 FT.
WIDESPREAD RAIN SHOWERS.
.SUN NIGHT...S WIND 35 KT. SEAS 23 FT.
.MON...N WIND 30 KT. SEAS 29 FT.
.TUE...N WIND 30 KT. SEAS 18 FT.
.WED...N WIND 20 KT. SEAS 11 FT.

$$

PKZ175-220100-
SEGUAM ISLAND TO ADAK BERING SIDE-
330 AM AKST SAT JAN 21 2017

...STORM WARNING TONIGHT AND SUNDAY...

.TODAY...SE WIND 25 KT INCREASING TO 35 KT IN THE AFTERNOON.
SEAS 8 FT.
.TONIGHT...E WIND 40 KT INCREASING TO 55 KT AFTER MIDNIGHT.
SEAS 12 FT BUILDING TO 20 FT AFTER MIDNIGHT. SNOW AND RAIN.
.SUN...E WIND 60 KT BECOMING SE 30 KT IN THE AFTERNOON.
SEAS 28 FT. RAIN.
.SUN NIGHT...SE WIND 25 KT. SEAS 19 FT.
.MON...N WIND 45 KT. SEAS 22 FT.
.TUE...N WIND 25 KT. SEAS 15 FT.
.WED...N WIND 25 KT. SEAS 10 FT.

$$

PKZ176-220100-
SEGUAM ISLAND TO ADAK PACIFIC SIDE-
330 AM AKST SAT JAN 21 2017

...STORM WARNING TONIGHT AND SUNDAY...

.TODAY...SE WIND 30 KT INCREASING TO 40 KT IN THE AFTERNOON.
SEAS 7 FT BUILDING TO 12 FT IN THE AFTERNOON.
.TONIGHT...E WIND 40 KT INCREASING TO 55 KT AFTER MIDNIGHT.
SEAS 17 FT BUILDING TO 23 FT AFTER MIDNIGHT. RAIN AND SNOW.
.SUN...SE WIND 50 KT BECOMING S 30 KT IN THE AFTERNOON.
SEAS 23 FT. WIDESPREAD RAIN SHOWERS.
.SUN NIGHT...SE WIND 30 KT. SEAS 24 FT.
.MON...NW WIND 50 KT. SEAS 28 FT.
.TUE...N WIND 25 KT. SEAS 14 FT.
.WED...NE WIND 20 KT. SEAS 10 FT.

$$

PKZ177-220100-
ADAK TO KISKA-
330 AM AKST SAT JAN 21 2017

...HURRICANE FORCE WIND WARNING SUNDAY...

.TODAY...SE WIND 30 KT BECOMING E 40 KT IN THE AFTERNOON.
SEAS 13 FT. SNOW WITH RAIN.
.TONIGHT...E WIND 45 KT INCREASING TO 60 KT AFTER MIDNIGHT.
SEAS 19 FT BUILDING TO 26 FT AFTER MIDNIGHT. RAIN AND SNOW.
.SUN...E WIND 65 KT BECOMING NE 50 KT IN THE AFTERNOON BERING
SIDE...E 45 KT BECOMING SE 30 KT IN THE AFTERNOON PACIFIC SIDE.
SEAS 35 FT BERING SIDE...21 FT PACIFIC SIDE. WIDESPREAD RAIN
SHOWERS.
.SUN NIGHT...NE WIND 55 KT. SEAS 33 FT.
.MON...N WIND 50 KT. SEAS 31 FT.
.TUE...NE WIND 25 KT. SEAS 15 FT.
.WED...NE WIND 25 KT. SEAS 11 FT.

$$

PKZ178-220100-
KISKA TO ATTU-
330 AM AKST SAT JAN 21 2017

...HURRICANE FORCE WIND WARNING SUNDAY...

.TODAY...E WIND 40 KT. SEAS 14 FT. SNOW WITH RAIN.
.TONIGHT...E WIND 50 KT BECOMING NE 60 KT AFTER MIDNIGHT.
SEAS 18 FT BUILDING TO 28 FT AFTER MIDNIGHT. RAIN AND SNOW.
.SUN...NE WIND 65 KT. SEAS 37 FT. SNOW AND RAIN.
.SUN NIGHT...N WIND 60 KT. SEAS 36 FT.
.MON...N WIND 40 KT. SEAS 28 FT.
.TUE THROUGH WED...E WIND 30 KT. SEAS 15 FT.

$$

PKZ179-220100-
PRIBILOF ISLANDS NEAR SHORE WATERS-
330 AM AKST SAT JAN 21 2017

...STORM WARNING SUNDAY...

.TODAY...NW WIND 15 KT BECOMING VARIABLE LESS THAN 10 KT IN THE
AFTERNOON. SEAS 3 FT.
.TONIGHT...VARIABLE WIND 10 KT BECOMING E 20 KT AFTER MIDNIGHT.
SEAS 3 FT. FREEZING SPRAY.
.SUN...E WIND 30 KT INCREASING TO 55 KT IN THE AFTERNOON.
SEAS 9 FT BUILDING TO 18 FT IN THE AFTERNOON. FREEZING SPRAY.
.SUN NIGHT...E WIND 55 KT. SEAS 25 FT.
.MON...NE WIND 50 KT. SEAS 22 FT.
.TUE...N WIND 30 KT. SEAS 12 FT.
.WED...N WIND 25 KT. SEAS 8 FT.

$$

PKZ180-220100-
KUSKOKWIM DELTA AND ETOLIN STRAIT-
330 AM AKST SAT JAN 21 2017

...HEAVY FREEZING SPRAY WARNING THROUGH SUNDAY...
...SMALL CRAFT ADVISORY TODAY AND SUNDAY...

.TODAY...N WIND 25 KT DIMINISHING TO 15 KT IN THE AFTERNOON. NORTH
OF CAPE NEWENHAM...VARIABLE WIND 15 KT. SEAS IN ICE FREE WATERS 5
FT. HEAVY FREEZING SPRAY.
.TONIGHT...NE WIND 20 KT. SEAS IN ICE FREE WATERS 3 FT. HEAVY
FREEZING SPRAY.
.SUN...NE WIND 20 KT INCREASING TO 30 KT IN THE AFTERNOON.
SEAS IN ICE FREE WATERS 5 FT. HEAVY FREEZING SPRAY.
.SUN NIGHT...NE WIND 40 KT. SEAS IN ICE FREE WATERS 12 FT.
.MON...NE WIND 40 KT. SEAS IN ICE FREE WATERS 13 FT.
.TUE...N WIND 30 KT. SEAS IN ICE FREE WATERS 7 FT.
.WED...N WIND 25 KT. SEAS IN ICE FREE WATERS 5 FT.

$$

PKZ181-220100-
NORTH AND WEST OF NUNIVAK ISLAND-
330 AM AKST SAT JAN 21 2017

...BRISK WIND ADVISORY SUNDAY...

.TODAY...E WIND 15 KT.
.TONIGHT...E WIND 20 KT.
.SUN...NE WIND 20 KT INCREASING TO 30 KT IN THE AFTERNOON.
.SUN NIGHT...NE WIND 35 KT.
.MON...NE WIND 35 KT.
.TUE...N WIND 30 KT.
.WED...N WIND 25 KT.

$$

PKZ185-220100-
SAINT MATTHEW ISLAND WATERS-
330 AM AKST SAT JAN 21 2017

...GALE WARNING SUNDAY...
...HEAVY FREEZING SPRAY WARNING THROUGH SUNDAY...

.TODAY...E WIND 20 KT E OF SAINT MATTHEW ISLAND...N WIND 15 KT W
OF SAINT MATTHEW ISLAND. SEAS 4 FT. HEAVY FREEZING SPRAY.
.TONIGHT...E WIND 15 KT INCREASING TO 25 KT AFTER MIDNIGHT. 
SEAS 5 FT. HEAVY FREEZING SPRAY.
.SUN...E WIND 25 KT INCREASING TO 35 KT IN THE AFTERNOON. SEAS 11 FT.
HEAVY FREEZING SPRAY.
.SUN NIGHT...NE WIND 40 KT. SEAS 18 FT.
.MON...NE WIND 40 KT. SEAS 19 FT.
.TUE...N WIND 30 KT. SEAS 12 FT.
.WED...N WIND 25 KT. SEAS 9 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 Jan 20, 4:57 AM AKST, 10 hours 49 minutes earlier.

Area forecast discussion, Jan 20, 4:57 AM AKST, 10 hours 49 minutes before
Southcentral and Southwest Alaska Forecast Discussion
National Weather Service Anchorage AK
457 AM AKST Fri Jan 20 2017

.ANALYSIS AND UPPER LEVELS...
A very cold upper level low remains centered over northern Alaska
with an associated upper trough digging south over over western
Alaska and bringing additional cold air in behind the low pressure
system crossing Southwest Alaska. An associated frontal system
stretches south across the western Gulf. Cloud cover streaming ahead
of this system into the western half of Southcentral Alaska has
started modifying and gradually warming the very cold air mass in
place over that area. Light snow from a weak prefrontal wave
pushing up Cook Inlet is visible on radar early this morning. Snow
showers continue to stream across the Bering and Aleutians
through the prevailing cold northwesterly flow along the west side
of the Arctic trough.

&&

.MODEL DISCUSSION...
Models are in excellent agreement regarding the North Pacific low
which will push a strong frontal system across the Aleutians and
Alaska Peninsula this weekend. The weaker frontal wave spreading
from the western Gulf across Southcentral Alaska this afternoon
and evening, however, presents larger forecast challenges with
model uncertainty remaining high regarding its timing, strength,
duration and location where it may stall and how much snow it will
produce.

&&

.AVIATION...
PANC...After a brief period of light snow this morning VFR conditions
will prevail through the afternoon as southeasterly winds over the
Chugach Mountains downslope and dry the area. By late afternoon
or early evening a band of snow will push in from the west
dropping conditions to MVFR through late tonight or Saturday
morning. Uncertainty exists regarding the strength and duration of
this snow band with some potential for it to drop conditions to
IFR at times.

&&

.SHORT TERM FORECAST SOUTHCENTRAL ALASKA (Days 1 and 2)...
While snow remains likely across much of coastal Southcentral
today, there still remains a good amount of uncertainty due to the
complex nature of this event and poor model performance so far.
For example, models did not capture until early this morning that
a weak wave would bring snow to the western Kenai Peninsula ahead
of the front. In addition, models vary greatly on the timing of
the front that will result in more widespread snow later this
afternoon and evening. Currently the middle ground NAM was chosen.
Associated lower pressure in Cook Inlet may also partly limit snow
amounts locally in the Anchorage Bowl as it supports southeasterly
downslope flow at the start of the event. Finally, the associated
low level southwesterly Cook Inlet jet will be fairly weak during
the duration of the snowfall, so local upslope flow and
convergence bands will play less of a role than in previous
events. As a result, most of the forcing for this snow event will
be synoptic in nature. However, two important factors favor a
greater snow event. The pre-frontal wave is already moistening the
atmosphere ahead of the front, and cold air in place may favor the
dendritic sweet spot, resulting in greater snow to liquid QPF
ratios and higher snow amounts.

&&

.SHORT TERM FORECAST SOUTHWEST ALASKA (Days 1 and 2)...
Blizzard conditions across the Kuskokwim Delta have subsided this
morning as snowfall has come to an end and winds have begun to
diminish in intensity. That being said, reduced visibilities along
the Kuskokwim Delta coast will be common through the morning hours
as snow from Thursday gets re-suspended. Visibilities will likely
remain above one mile for these locations so no additional
warnings or advisories are anticipated at this time. Light snow
will continue through this afternoon over the Lower Kuskokwim
Valley and eastern parts of the Bristol Bay area as a weakening
low pressure system moves further inland over Southwest Alaska.
Following the departure of snow today, a return of well below
normal temperatures will follow as another very cold air mass
descends across western Alaska from Siberia. Temperatures will
easily range 20 to 30 degrees below normal with parts of the Lower
Kuskokwim Valley approaching minus 40 degrees Saturday night.

&&

.SHORT TERM FORECAST BERING SEA/ALEUTIANS (Days 1 and 2)...
The Bering Sea remains under the influence of a deep arctic
trough that continues to advect cold air southward. As a result,
cold air advection showers have developed across the central
Bering Sea as decent low-level instability has developed due to
extreme low- level lapse rates. This trough will slide very slowly
eastward through Saturday which will allow shower activity to
gradually diminish as the atmosphere begins to stabilize and an
upper level ridge briefly becomes the dominant feature.

Later today, an area of low pressure will push off the coast of
Japan and begin moving northeastward toward the Western Aleutians.
As this happens, the low will develop at a rapid pace and move
just south of Adak Sunday morning. A potent storm force frontal
boundary will enter the southern Bering Sea late Saturday and
Sunday but will likely stay just to the south of the Pribilof
Islands. Models have been very inconsistent with this feature but
as satellites begin to sample the low as it develops this
afternoon they should be able to provide better information on
the overall storm track. While the front moving across the
southern Bering Sea will be a warm front, enough cold air will be
entrenched across the Bering and wrap around the low that
hurricane force wind gusts may be possible on Sunday. At this
time, wind gusts are expected in the 60 to 70 mph range across all
of the Aleutian Islands on Sunday.

&&

.LONG TERM FORECAST (Days 3 through 7)...
Beginning the extended period on Saturday evening, there will be
an arctic trough over Southwest Alaska and a storm force North
Pacific low moving into the Western Aleutians. Eventually the
North Pacific low will quickly traverse the chain and move into
the Gulf of Alaska. This will represent a rather large change in
the pattern to warmer and cloudier as the very cold arctic air
mass is displaced north. All the global numerical models depict a
similar pattern with a general trough position located over the
Eastern Bering by early next week. Shortwave troughs rotating
north toward the Gulf coast will bring a pretty continuous feed of
moisture and warmer air northward with the threat for coastal
rain/snow and potentially heavy snow for favored mountain
locations which do well in south to southeast flow environments
(Turnagain Pass, for instance). Inland locations will tend to see
stronger downslope flow conditions but will still be prone to
shots of precipitation as the lows move inland. This very active
pattern looks to continue into the weekend.

&&

.AFC WATCHES/WARNINGS/ADVISORIES...
PUBLIC...None.
MARINE...Gale Warning 176 177.
         Heavy Freezing Spray Warning 127 138 139 150 160 165
            180 185 414.

&&

SYNOPSIS AND MODEL DISCUSSION...JER
SOUTHCENTRAL ALASKA...EN
SOUTHWEST ALASKA/BERING SEA/ALEUTIANS...MC
LONG TERM...JA

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 20, 3:34 PM AKSTHeavy Freezing Spray WarningAFC60 hr
Jan 20, 3:41 PM AKSTGale WarningAFC12 hr
Jan 20, 3:41 PM AKSTStorm WarningAFC12 hr
Jan 20, 3:46 PM AKSTGale WarningAFC12 hr
Jan 20, 3:46 PM AKSTStorm WarningAFC48 hr
Jan 20, 10:07 PM AKSTSmall Craft AdvisoryAFC6 hr
Jan 21, 3:30 AM AKSTBrisk Wind AdvisoryAFC12 hr
Jan 21, 3:30 AM AKSTGale WarningAFC3 days
Jan 21, 3:30 AM AKSTHurricane Force Wind WarningAFC48 hr
Jan 21, 3:30 AM AKSTHurricane Force Wind WarningAFC48 hr
Jan 21, 3:30 AM AKSTSmall Craft AdvisoryAFC12 hr
Jan 21, 3:30 AM AKSTStorm WarningAFC60 hr
Jan 21, 3:30 AM AKSTStorm WarningAFC60 hr
Jan 21, 4:10 AM AKSTBlizzard WatchAFC12 hr
Jan 21, 4:10 AM AKSTHigh Wind WatchAFC12 hr
Jan 21, 4:10 AM AKSTHigh Wind WarningAFC6 hr
Jan 21, 4:10 AM AKSTWinter Storm WatchAFC25 hr
Jan 21, 10:08 AM AKSTBlizzard WarningAFC53 hr
Jan 21, 10:08 AM AKSTWinter Storm WarningAFC19 hr

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.