Storm Warning 191, NWS Anchorage, AK

085 
FZAK52 PAFC 202357
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
257 PM AKST Fri Dec 20 2019

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.

PKZ199-211300-
257 PM AKST Fri Dec 20 2019
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 974 mb low over the North Pacific Fri night moves 130 nm 
northwest of Adak at 964 mb Sat afternoon. This low then moves 60
nm southeast of Saint Paul at 966 mb by Sun afternoon.

$$

PKZ150-211300-
South of the AK Peninsula Sitkinak to Castle Cape-
257 PM AKST Fri Dec 20 2019

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

.TONIGHT...NW wind 30 kt. Seas 9 ft.
.SAT...NW wind 30 kt. Seas 10 ft.
.SAT NIGHT...W wind 20 kt becoming SE 30 kt after midnight. Seas
8 ft. Rain.
.SUN...SW wind 30 kt. Seas 16 ft.
.SUN NIGHT...SW wind 35 kt. Seas 20 ft.
.MON...SW wind 35 kt. Seas 21 ft.
.TUE...NW wind 30 kt. Seas 21 ft.
.WED...NW wind 35 kt. Seas 13 ft.

$$

PKZ155-211300-
South of the AK Peninsula Castle Cape to Cape Sarichef-
257 PM AKST Fri Dec 20 2019

...GALE WARNING SATURDAY NIGHT...

.TONIGHT...NW wind 25 kt. Seas 9 ft.
.SAT...W wind 25 kt. Seas 9 ft.
.SAT NIGHT...SE wind 35 kt. Seas 14 ft. Widespread rain showers
and snow showers.
.SUN...SW wind 40 kt. Seas 25 ft.
.SUN NIGHT...SW wind 45 kt. Seas 29 ft.
.MON...W wind 45 kt. Seas 26 ft.
.TUE...NW wind 35 kt. Seas 17 ft.
.WED...NW wind 30 kt. Seas 11 ft.

$$

PKZ160-211300-
Bristol Bay-
257 PM AKST Fri Dec 20 2019

...GALE WARNING SATURDAY NIGHT...

.TONIGHT...NW wind 25 kt. Seas 8 ft. Freezing spray.
.SAT...NW wind 25 kt. Seas 8 ft. Freezing spray.
.SAT NIGHT...NE wind 20 kt becoming E 35 kt after midnight. Seas
7 ft. Freezing spray.
.SUN...E wind 40 kt. Seas 8 ft.
.SUN NIGHT...SE wind 30 kt. Seas 13 ft.
.MON...SE wind 35 kt. Seas 14 ft.
.TUE THROUGH WED...NW wind 25 kt. Seas 8 ft.

$$

PKZ165-211300-
Port Heiden to Cape Sarichef-
257 PM AKST Fri Dec 20 2019

...GALE WARNING SATURDAY NIGHT...

.TONIGHT...W wind 25 kt. Seas 12 ft.
.SAT...W wind 20 kt becoming SE in the afternoon. From Port Moller
E, NW wind 25 kt in the morning becoming variable 10 kt. Seas 12
ft.
.SAT NIGHT...SE wind 40 kt except E 35 kt from Port Moller E. Seas
10 ft. Widespread rain showers.
.SUN...SW wind 35 kt. Seas 22 ft.
.SUN NIGHT...SW wind 50 kt. Seas 35 ft.
.MON...W wind 40 kt. Seas 28 ft.
.TUE THROUGH WED...NW wind 30 kt. Seas 12 ft.

$$

PKZ170-211300-
Cape Sarichef to Nikolski Bering Side-
257 PM AKST Fri Dec 20 2019

...GALE WARNING SATURDAY AND SATURDAY NIGHT...

.TONIGHT...W wind 20 kt. Seas 12 ft.
.SAT...SE wind 30 kt increasing to 45 kt in the afternoon. Seas
13 ft. Rain.
.SAT NIGHT...S wind 45 kt. Seas 13 ft building to 18 ft after
midnight. Widespread rain showers.
.SUN...SW wind 60 kt. Seas 42 ft.
.SUN NIGHT...W wind 55 kt. Seas 43 ft.
.MON...W wind 50 kt. Seas 29 ft.
.TUE THROUGH WED...NW wind 25 kt. Seas 12 ft.

$$

PKZ171-211300-
Unalaska Bay-
257 PM AKST Fri Dec 20 2019

...GALE WARNING SATURDAY...

.TONIGHT...NW wind 20 kt. Seas 7 ft subsiding to 3 ft after
midnight.
.SAT...S wind 15 kt becoming SE 40 kt in the afternoon. Seas 2 ft
building to 5 ft in the afternoon. Rain.
.SAT NIGHT...S wind 25 kt. Seas 4 ft. Widespread rain and snow
showers.
.SUN...SW wind 45 kt. Seas 6 ft.
.SUN NIGHT...W wind 50 kt. Seas 8 ft.
.MON...NW wind 40 kt. Seas 6 ft.
.TUE THROUGH WED...NW wind 20 kt. Seas 7 ft.

$$

PKZ172-211300-
Cape Sarichef to Nikolski Pacific Side-
257 PM AKST Fri Dec 20 2019

...GALE WARNING SATURDAY AND SATURDAY NIGHT...

.TONIGHT...NW wind 20 kt. Seas 9 ft.
.SAT...SE wind 30 kt increasing to 40 kt in the afternoon. Seas 8
ft building to 14 ft in the afternoon. Rain.
.SAT NIGHT...SW wind 40 kt. Seas 15 ft building to 24 ft after
midnight. Widespread rain showers.
.SUN AND SUN NIGHT...W wind 50 kt. Seas 34 ft.
.MON...W wind 45 kt. Seas 24 ft.
.TUE THROUGH WED...NW wind 25 kt. Seas 12 ft.

$$

PKZ173-211300-
Nikolski to Seguam Island Bering Side-
257 PM AKST Fri Dec 20 2019

...STORM WARNING SATURDAY AND SATURDAY NIGHT...

.TONIGHT...NW wind 20 kt becoming E after midnight. Seas 10 ft.
.SAT...SE wind 50 kt. Seas 17 ft. Widespread rain showers.
.SAT NIGHT...S wind 35 kt becoming SW 50 kt after midnight. Seas
17 ft building to 26 ft after midnight. Widespread rain showers.
.SUN...W wind 65 kt. Seas 43 ft.
.SUN NIGHT...W wind 55 kt. Seas 40 ft.
.MON...W wind 50 kt. Seas 27 ft.
.TUE...NW wind 30 kt. Seas 16 ft.
.WED...N wind 20 kt. Seas 11 ft.

$$

PKZ174-211300-
Nikolski to Seguam Island Pacific Side-
257 PM AKST Fri Dec 20 2019

...STORM WARNING SATURDAY NIGHT...

.TONIGHT...NW wind 15 kt becoming E 25 kt after midnight. Seas
11 ft.
.SAT...SE wind 45 kt. Seas 16 ft. Widespread rain showers and
snow showers.
.SAT NIGHT...SW wind 40 kt increasing to 50 kt after midnight.
Seas 27 ft building to 34 ft after midnight. Widespread rain 
showers.
.SUN...W wind 50 kt. Seas 38 ft.
.SUN NIGHT...W wind 45 kt. Seas 36 ft.
.MON...W wind 45 kt. Seas 27 ft.
.TUE...NW wind 30 kt. Seas 16 ft.
.WED...NE wind 25 kt. Seas 12 ft.

$$

PKZ175-211300-
Seguam Island to Adak Bering Side-
257 PM AKST Fri Dec 20 2019

...STORM WARNING SATURDAY AND SATURDAY NIGHT...

.TONIGHT...NW wind 20 kt becoming SE 35 kt after midnight. Seas
11 ft.
.SAT...SE wind 50 kt becoming S 40 kt in the afternoon. Seas 16
ft. Widespread rain and snow showers.
.SAT NIGHT...SW wind 45 kt becoming W 60 kt after midnight. Seas
17 ft building to 33 ft after midnight. Widespread rain and snow
showers.
.SUN...W wind 65 kt. Seas 39 ft.
.SUN NIGHT...W wind 45 kt. Seas 29 ft.
.MON...W wind 40 kt. Seas 21 ft.
.TUE...NW wind 30 kt. Seas 16 ft.
.WED...NE wind 25 kt. Seas 10 ft.

$$

PKZ176-211300-
Seguam Island to Adak Pacific Side-
257 PM AKST Fri Dec 20 2019

...STORM WARNING SATURDAY NIGHT...

.TONIGHT...N wind 15 kt becoming SE 40 kt after midnight. Seas
13 ft. Snow and rain.
.SAT...SE wind 45 kt. Seas 17 ft building to 28 ft in the
afternoon. Widespread rain showers.
.SAT NIGHT...W wind 55 kt. Seas 35 ft. Widespread rain and snow
showers.
.SUN...W wind 50 kt. Seas 36 ft.
.SUN NIGHT...W wind 40 kt. Seas 25 ft.
.MON...NW wind 40 kt. Seas 22 ft.
.TUE...NW wind 30 kt. Seas 13 ft.
.WED...NE wind 30 kt. Seas 11 ft.

$$

PKZ177-211300-
Adak to Kiska-
257 PM AKST Fri Dec 20 2019

...HURRICANE FORCE WIND WARNING SATURDAY NIGHT...

.TONIGHT...SE wind 20 kt becoming E 45 kt after midnight. Seas
15 ft. Snow and rain.
.SAT...SE wind 50 kt becoming SW in the afternoon. Bering side,
seas 18 ft. Pacific side, seas 20 ft building to 28 ft in the 
afternoon. Widespread rain and snow showers.
.SAT NIGHT...W wind 55 kt increasing to 65 kt after midnight. Seas
34 ft. Widespread snow and rain showers.
.SUN...W wind 55 kt. Seas 34 ft.
.SUN NIGHT...W wind 40 kt. Seas 19 ft.
.MON...NW wind 35 kt. Seas 18 ft.
.TUE...W wind 25 kt. Seas 12 ft.
.WED...E wind 30 kt. Seas 21 ft.

$$

PKZ178-211300-
Kiska to Attu-
257 PM AKST Fri Dec 20 2019

...HURRICANE FORCE WIND WARNING SATURDAY NIGHT...

.TONIGHT...SE wind 25 kt increasing to 35 kt after midnight. Seas
12 ft. Widespread snow showers.
.SAT...NE wind 40 kt becoming NW 50 kt in the afternoon. Seas 14
ft building to 20 ft in the afternoon. Widespread snow and rain 
showers.
.SAT NIGHT...W wind 55 kt increasing to 65 kt after midnight. From
Shemya W, W wind 50 kt. Seas 29 ft. Widespread snow showers.
.SUN...W wind 45 kt. Seas 25 ft.
.SUN NIGHT...W wind 30 kt. Seas 16 ft.
.MON...W wind 25 kt. Seas 16 ft.
.TUE...SW wind 30 kt. Seas 14 ft.
.WED...E wind 30 kt. Seas 26 ft.

$$

PKZ179-211300-
Pribilof Islands Near Shore Waters-
257 PM AKST Fri Dec 20 2019

...GALE WARNING SATURDAY AND SATURDAY NIGHT...

.TONIGHT...W wind 25 kt. Seas 14 ft.
.SAT...S wind 15 kt becoming E 40 kt in the afternoon. Seas 12 ft.
.SAT NIGHT...E wind 45 kt. Seas 17 ft. Widespread snow and rain
showers.
.SUN...E wind 40 kt. Seas 24 ft.
.SUN NIGHT...NE wind 35 kt. Seas 26 ft.
.MON...N wind 20 kt. Seas 20 ft.
.TUE THROUGH WED...NW wind 25 kt. Seas 10 ft.

$$

PKZ180-211300-
Kuskokwim Delta and Etolin Strait-
257 PM AKST Fri Dec 20 2019

...GALE WARNING SATURDAY NIGHT...

.TONIGHT...W wind 25 kt. Seas 10 ft.
.SAT...NW wind 20 kt becoming E in the afternoon. Seas 9 ft.
.SAT NIGHT...E wind 30 kt increasing to 40 kt after midnight. Seas
7 ft building to 13 ft after midnight. Freezing spray.
.SUN...E wind 40 kt. Seas 14 ft.
.SUN NIGHT...NE wind 35 kt. Seas 17 ft.
.MON...N wind 35 kt. Seas 16 ft.
.TUE...N wind 30 kt. Seas 9 ft.
.WED...NW wind 25 kt. Seas 8 ft.

$$

PKZ181-211300-
North and West of Nunivak Island-
257 PM AKST Fri Dec 20 2019

...GALE WARNING SATURDAY NIGHT...

.TONIGHT...W wind 25 kt. Seas 11 ft. Freezing spray.
.SAT...W wind 20 kt becoming E in the afternoon. Seas 10 ft.
.SAT NIGHT...E wind 30 kt increasing to 40 kt after midnight. Seas
7 ft building to 11 ft after midnight. Freezing spray.
.SUN...NE wind 40 kt. Seas 12 ft.
.SUN NIGHT...NE wind 35 kt. Seas 13 ft.
.MON...N wind 30 kt. Seas 12 ft.
.TUE THROUGH WED...N wind 25 kt. Seas 9 ft.

$$

PKZ185-211300-
Saint Matthew Island Waters-
257 PM AKST Fri Dec 20 2019

...GALE WARNING SATURDAY NIGHT...

.TONIGHT...W wind 25 kt. Seas 16 ft. Freezing spray.
.SAT...E of Saint Matthew Island, W wind 15 kt becoming E in the
afternoon. W of Saint Matthew Island, S wind 20 kt becoming E 30
kt in the afternoon. Seas 12 ft. Freezing spray.
.SAT NIGHT...E wind 45 kt. Seas 14 ft building to 22 ft after
midnight.
.SUN...E wind 45 kt. Seas 24 ft.
.SUN NIGHT...NE wind 35 kt. Seas 22 ft.
.MON...NE wind 30 kt. Seas 16 ft.
.TUE THROUGH WED...N wind 25 kt. Seas 8 ft.

$$

284 
FZAK52 PAFC 211242
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
342 AM AKST Sat Dec 21 2019

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.

PKZ199-220145-
342 AM AKST Sat Dec 21 2019
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 968 mb low over the North Pacific Sat morning moves 100 nm 
northwest of Adak at 960 mb Sat afternoon. This low then moves 50
nm south of Saint Paul at 966 mb by Sun afternoon.

$$

PKZ150-220145-
South of the AK Peninsula Sitkinak to Castle Cape-
342 AM AKST Sat Dec 21 2019

...GALE WARNING SUNDAY NIGHT...

.TONIGHT...W wind 20 kt becoming SE 30 kt after midnight. 
Seas 7 ft. Snow and rain.
.SUN...S wind 30 kt. Seas 15 ft. Rain showers and snow.
.SUN NIGHT...SW wind 35 kt. Seas 22 ft. Rain showers.
.MON...SW wind 30 kt. Seas 22 ft.
.MON NIGHT...W wind 25 kt. Seas 18 ft.
.TUE...W wind 25 kt. Seas 18 ft.
.WED THROUGH THU...NW wind 30 kt. Seas 11 ft.

$$

PKZ155-220145-
South of the AK Peninsula Castle Cape to Cape Sarichef-
342 AM AKST Sat Dec 21 2019

...GALE WARNING THROUGH SUNDAY NIGHT...

.TONIGHT...SE wind 35 kt. Seas 13 ft. Rain showers.
.SUN...SW wind 40 kt. Seas 19 ft building to 26 ft in the
afternoon. From the Shumagin Islands E, seas 19 ft. Rain showers.
.SUN NIGHT...SW wind 45 kt except SW 40 kt from the Shumagin
Islands E. Seas 31 ft except 27 ft from the Shumagin Islands E. Rain
showers with snow showers.
.MON...W wind 45 kt. Seas 26 ft.
.MON NIGHT...W wind 40 kt. Seas 26 ft.
.TUE...SW wind 30 kt. Seas 20 ft.
.WED...NW wind 30 kt. Seas 9 ft.
.THU...NW wind 25 kt. Seas 8 ft.

$$

PKZ160-220145-
Bristol Bay-
342 AM AKST Sat Dec 21 2019

...GALE WARNING THROUGH SUNDAY...

.TONIGHT...NE wind 20 kt becoming E 35 kt after midnight. Seas 6
ft. Freezing spray. Snow.
.SUN...E wind 40 kt. Seas 8 ft. Freezing spray. 
Snow with rain showers.
.SUN NIGHT...E wind 30 kt. Seas 8 ft building to 12 ft after
midnight. Freezing spray. Snow showers and rain showers.
.MON...S wind 35 kt. Seas 13 ft.
.MON NIGHT...W wind 30 kt. Seas 10 ft.
.TUE...NW wind 30 kt. Seas 10 ft.
.WED THROUGH THU...NW wind 25 kt. Seas 7 ft.

$$

PKZ165-220145-
Port Heiden to Cape Sarichef-
342 AM AKST Sat Dec 21 2019

...STORM WARNING SUNDAY NIGHT...

.TONIGHT...SE wind 40 kt. Seas 10 ft. Snow and rain showers.
.SUN...SW wind 40 kt, Seas 13 ft building to 23 ft in the
afternoon. From Port Moller E, S wind 20 kt becoming SW 30 kt in the
afternoon, Seas 7 ft building to 11 ft in the afternoon. Rain showers.
.SUN NIGHT...SW wind 50 kt, Seas 37 ft. From Port Moller E, SW
wind 30 kt increasing to 45 kt after midnight, Seas 21 ft building 
to 27 ft after midnight. Rain showers and snow showers.
.MON...W wind 40 kt. Seas 27 ft.
.MON NIGHT...NW wind 35 kt. Seas 19 ft.
.TUE...N wind 25 kt. Seas 15 ft.
.WED...N wind 30 kt. Seas 9 ft.
.THU...NW wind 25 kt. Seas 8 ft.

$$

PKZ170-220145-
Cape Sarichef to Nikolski Bering Side-
342 AM AKST Sat Dec 21 2019

...STORM WARNING SUNDAY AND SUNDAY NIGHT...

.TONIGHT...S wind 45 kt. Seas 16 ft. Rain showers.
.SUN...SW wind 50 kt increasing to 60 kt in the afternoon. Seas
29 ft building to 40 ft in the afternoon. Rain showers.
.SUN NIGHT...W wind 55 kt. Seas 44 ft subsiding to 36 ft after
midnight. Rain showers and snow showers.
.MON...W wind 50 kt. Seas 30 ft.
.MON NIGHT...NW wind 40 kt. Seas 25 ft.
.TUE...NE wind 25 kt. Seas 15 ft.
.WED...NW wind 30 kt. Seas 9 ft.
.THU...NE wind 20 kt. Seas 7 ft.

$$

PKZ171-220145-
Unalaska Bay-
342 AM AKST Sat Dec 21 2019

...STORM WARNING SUNDAY NIGHT...

.TONIGHT...S wind 25 kt. Seas 4 ft. Rain showers and snow showers.
.SUN...SW wind 30 kt increasing to 45 kt in the afternoon. Seas
6 ft. Rain showers and snow showers.
.SUN NIGHT...W wind 50 kt diminishing to 40 kt after midnight.
Seas 8 ft subsiding to 5 ft after midnight. Snow showers and rain showers.
.MON...W wind 40 kt. Seas 6 ft.
.MON NIGHT...W wind 35 kt. Seas 5 ft.
.TUE...NE wind 15 kt. Seas 3 ft.
.WED...NW wind 20 kt. Seas 7 ft.
.THU...NE wind 15 kt. Seas 5 ft.

$$

PKZ172-220145-
Cape Sarichef to Nikolski Pacific Side-
342 AM AKST Sat Dec 21 2019

...STORM WARNING SUNDAY AND SUNDAY NIGHT...

.TONIGHT...SW wind 40 kt. Seas 15 ft building to 22 ft after
midnight. Rain showers.
.SUN...W wind 50 kt. Seas 34 ft. Rain showers.
.SUN NIGHT...W wind 50 kt diminishing to 40 kt after midnight.
Seas 35 ft. Snow showers and rain showers.
.MON...W wind 45 kt. Seas 27 ft.
.MON NIGHT...W wind 40 kt. Seas 24 ft.
.TUE...S wind 25 kt. Seas 15 ft.
.WED...NW wind 30 kt. Seas 10 ft.
.THU...NE wind 20 kt. Seas 6 ft.

$$

PKZ173-220145-
Nikolski to Seguam Island Bering Side-
342 AM AKST Sat Dec 21 2019

...HURRICANE FORCE WIND WARNING SUNDAY...

.TONIGHT...S wind 40 kt becoming SW 50 kt after midnight. Seas 16 ft
building to 27 ft after midnight. Rain showers.
.SUN...W wind 65 kt gusting to 80 kt. Seas 45 ft. 
Rain showers and snow showers.
.SUN NIGHT...W wind 55 kt diminishing to 45 kt after midnight.
Seas 43 ft subsiding to 27 ft after midnight.
.MON...W wind 50 kt. Seas 30 ft.
.MON NIGHT...W wind 35 kt. Seas 23 ft.
.TUE...NE wind 30 kt. Seas 13 ft.
.WED...NW wind 30 kt. Seas 11 ft.
.THU...NE wind 20 kt. Seas 8 ft.

$$

PKZ174-220145-
Nikolski to Seguam Island Pacific Side-
342 AM AKST Sat Dec 21 2019

...STORM WARNING THROUGH SUNDAY...

.TONIGHT...SW wind 50 kt. Seas 25 ft building to 34 ft after
midnight. Rain showers.
.SUN...W wind 55 kt. Seas 40 ft. Rain showers and snow showers.
.SUN NIGHT...W wind 45 kt. Seas 38 ft subsiding to 27 ft after
midnight. Snow and rain showers.
.MON...W wind 45 kt. Seas 29 ft.
.MON NIGHT...W wind 35 kt. Seas 22 ft.
.TUE...S wind 30 kt. Seas 13 ft.
.WED...NW wind 30 kt. Seas 12 ft.
.THU...E wind 20 kt. Seas 8 ft.

$$

PKZ175-220145-
Seguam Island to Adak Bering Side-
342 AM AKST Sat Dec 21 2019

...HURRICANE FORCE WIND WARNING SUNDAY...

.TONIGHT...SW wind 45 kt becoming W 60 kt after midnight. Seas 22
ft building to 36 ft after midnight. Rain showers and snow showers.
.SUN...W wind 65 kt gusting to 80 kt. Seas 42 ft. 
Snow showers and rain showers.
.SUN NIGHT...W wind 45 kt. Seas 32 ft subsiding to 24 ft after midnight.
.MON...W wind 40 kt. Seas 25 ft.
.MON NIGHT...NW wind 30 kt. Seas 20 ft.
.TUE...NE wind 30 kt. Seas 12 ft.
.WED...N wind 25 kt. Seas 11 ft.
.THU...NE wind 25 kt. Seas 8 ft.

$$

PKZ176-220145-
Seguam Island to Adak Pacific Side-
342 AM AKST Sat Dec 21 2019

...STORM WARNING THROUGH SUNDAY...

.TONIGHT...W wind 55 kt. Seas 38 ft. Rain showers and snow showers.
.SUN...W wind 55 kt. Seas 39 ft. Snow showers with rain showers.
.SUN NIGHT...W wind 40 kt. Seas 27 ft. Snow showers.
.MON...W wind 40 kt. Seas 24 ft.
.MON NIGHT...W wind 25 kt. Seas 16 ft.
.TUE...E wind 30 kt. Seas 12 ft.
.WED...NW wind 30 kt. Seas 12 ft.
.THU...NE wind 20 kt. Seas 8 ft.

$$

PKZ177-220145-
Adak to Kiska-
342 AM AKST Sat Dec 21 2019

...HURRICANE FORCE WIND WARNING TONIGHT...

.TONIGHT...W wind 65 kt gusting to 80 kt. Seas 38 ft. 
Snow showers and rain showers.
.SUN...W wind 55 kt diminishing to 45 kt in the afternoon. 
Seas 38 ft subsiding to 31 ft in the afternoon.
.SUN NIGHT...W wind 40 kt. Seas 21 ft.
.MON...W wind 35 kt. Seas 19 ft.
.MON NIGHT...NW wind 25 kt. Seas 16 ft.
.TUE...N wind 30 kt. Seas 12 ft.
.WED THROUGH THU...N wind 20 kt. Seas 10 ft.

$$

PKZ178-220145-
Kiska to Attu-
342 AM AKST Sat Dec 21 2019

...STORM WARNING TONIGHT...

.TONIGHT...W wind 55 kt. Seas 33 ft. Snow showers.
.SUN...W wind 45 kt diminishing to 30 kt in the afternoon. Seas
29 ft subsiding to 21 ft in the afternoon. Freezing spray.
.SUN NIGHT...W wind 30 kt. Seas 17 ft. Freezing spray.
.MON...W wind 25 kt. Seas 16 ft.
.MON NIGHT...NW wind 20 kt. Seas 14 ft.
.TUE...NW wind 30 kt. Seas 11 ft.
.WED THROUGH THU...N wind 15 kt. Seas 13 ft.

$$

PKZ179-220145-
Pribilof Islands Near Shore Waters-
342 AM AKST Sat Dec 21 2019

...GALE WARNING THROUGH SUNDAY NIGHT...

.TONIGHT...E wind 45 kt. Seas 17 ft. Snow showers and rain showers.
.SUN...E wind 25 kt increasing to 35 kt in the afternoon. Seas 19
ft building to 27 ft in the afternoon. Rain showers and snow showers.
.SUN NIGHT...NE wind 35 kt. Seas 29 ft. Freezing spray. Snow
showers and rain showers.
.MON AND MON NIGHT...NW wind 20 kt. Seas 17 ft.
.TUE THROUGH WED...NW wind 25 kt. Seas 10 ft.
.THU...N wind 15 kt. Seas 7 ft.

$$

PKZ180-220145-
Kuskokwim Delta and Etolin Strait-
342 AM AKST Sat Dec 21 2019

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

.TONIGHT...E wind 30 kt increasing to 40 kt after midnight. Seas
7 ft building to 12 ft after midnight. Freezing spray.
.SUN...E wind 40 kt. Seas 13 ft. Heavy freezing spray. 
Snow and rain.
.SUN NIGHT...NE wind 30 kt. Seas 17 ft. Freezing spray. 
Snow and rain showers.
.MON...N wind 30 kt. Seas 17 ft.
.MON NIGHT...NW wind 30 kt. Seas 12 ft.
.TUE THROUGH THU...N wind 25 kt. Seas 9 ft.

$$

PKZ181-220145-
North and West of Nunivak Island-
342 AM AKST Sat Dec 21 2019

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

.TONIGHT...E wind 30 kt increasing to 40 kt after midnight. 
Seas 11 ft. Freezing spray.
.SUN...E wind 40 kt. Seas 12 ft. Heavy freezing spray.
.SUN NIGHT...NE wind 35 kt. Seas 13 ft. Heavy freezing spray.
.MON AND MON NIGHT...N wind 30 kt. Seas 11 ft.
.TUE THROUGH WED...N wind 25 kt. Seas 9 ft.
.THU...N wind 20 kt. Seas 8 ft.

$$

PKZ185-220145-
Saint Matthew Island Waters-
342 AM AKST Sat Dec 21 2019

...GALE WARNING THROUGH SUNDAY NIGHT...

.TONIGHT...E wind 45 kt. Seas 13 ft building to 22 ft after midnight.
.SUN...E wind 45 kt. Seas 24 ft. Freezing spray. Snow showers.
.SUN NIGHT...NE wind 35 kt. Seas 22 ft. Freezing spray.
.MON...NE wind 30 kt. Seas 16 ft.
.MON NIGHT...N wind 25 kt. Seas 12 ft.
.TUE...N wind 25 kt. Seas 10 ft.
.WED THROUGH THU...N wind 20 kt. Seas 8 ft.

$$

161 
FZAK52 PAFC 212355
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
255 PM AKST Sat Dec 21 2019

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.

PKZ199-221300-
255 PM AKST Sat Dec 21 2019
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 957 mb low 190 nm NW of Adak Sat afternoon will move 90 nm SE 
of Saint Paul Sun afternoon. The low then moves over Bristol Bay 
at 970 mb Mon afternoon. A second 992 mb North Pacific Low 183 nm
SW of Adak Sun afternoon will move 60 nm SE of Dutch Harbor Sun 
night. This low will then become absorbed into the low over 
Bristol Bay Mon afternoon.

$$

PKZ150-221300-
South of the AK Peninsula Sitkinak to Castle Cape-
255 PM AKST Sat Dec 21 2019

...GALE WARNING THROUGH SUNDAY NIGHT...

.TONIGHT...W wind 20 kt becoming SE 40 kt after midnight. Seas
10 ft. Snow and rain.
.SUN...S wind 35 kt. Seas 16 ft. Widespread rain showers and snow.
.SUN NIGHT...SW wind 35 kt increasing to 45 kt after midnight.
Seas 18 ft building to 25 ft after midnight. Widespread rain 
showers.
.MON...SW wind 40 kt. Seas 26 ft.
.MON NIGHT...W wind 30 kt. Seas 20 ft.
.TUE...W wind 30 kt. Seas 19 ft.
.WED THROUGH THU...NW wind 30 kt. Seas 11 ft.

$$

PKZ155-221300-
South of the AK Peninsula Castle Cape to Cape Sarichef-
255 PM AKST Sat Dec 21 2019

...STORM WARNING SUNDAY NIGHT...

.TONIGHT...SE wind 45 kt becoming SW 35 kt after midnight. From
the Shumagin Islands E, SE wind 30 kt becoming S 40 kt after 
midnight. Seas 14 ft. Widespread rain showers.
.SUN...SW wind 40 kt. Seas 20 ft building to 27 ft in the
afternoon. From the Shumagin Islands E, seas 19 ft. Widespread rain 
showers.
.SUN NIGHT...SW wind 50 kt except SW 45 kt from the Shumagin
Islands E. Seas 36 ft. From the Shumagin Islands E, seas 24 ft 
building to 31 ft after midnight. Widespread rain and snow showers.
.MON...W wind 50 kt. Seas 29 ft.
.MON NIGHT...W wind 40 kt. Seas 27 ft.
.TUE...W wind 25 kt. Seas 19 ft.
.WED...NW wind 30 kt. Seas 9 ft.
.THU...NW wind 25 kt. Seas 8 ft.

$$

PKZ160-221300-
Bristol Bay-
255 PM AKST Sat Dec 21 2019

...GALE WARNING THROUGH SUNDAY...

.TONIGHT...NE wind 20 kt becoming E 35 kt after midnight. Seas 5
ft building to 8 ft after midnight. Freezing spray. Snow.
.SUN...E wind 40 kt. Seas 9 ft. Freezing spray. Widespread snow
and rain showers.
.SUN NIGHT...SE wind 30 kt. Seas 7 ft building to 11 ft after
midnight. Freezing spray. Snow and rain showers.
.MON...S wind 35 kt. Seas 16 ft.
.MON NIGHT...W wind 30 kt. Seas 12 ft.
.TUE...NW wind 30 kt. Seas 11 ft.
.WED THROUGH THU...NW wind 25 kt. Seas 7 ft.

$$

PKZ165-221300-
Port Heiden to Cape Sarichef-
255 PM AKST Sat Dec 21 2019

...STORM WARNING SUNDAY NIGHT...

.TONIGHT...SE wind 45 kt. Seas 12 ft. Snow and widespread rain
showers.
.SUN...SW wind 35 kt increasing to 45 kt in the afternoon, Seas
13 ft building to 24 ft in the afternoon. From Port Moller E, SW
wind 30 kt, Seas 7 ft building to 11 ft in the afternoon.
Widespread rain showers.
.SUN NIGHT...SW wind 55 kt, Seas 39 ft. From Port Moller E, S wind
30 kt becoming SW 50 kt after midnight, Seas 18 ft building to 30
ft after midnight. Widespread rain and snow showers.
.MON...W wind 40 kt. Seas 26 ft.
.MON NIGHT...NW wind 30 kt. Seas 18 ft.
.TUE...N wind 30 kt. Seas 15 ft.
.WED...N wind 30 kt. Seas 9 ft.
.THU...NW wind 25 kt. Seas 8 ft.

$$

PKZ170-221300-
Cape Sarichef to Nikolski Bering Side-
255 PM AKST Sat Dec 21 2019

...STORM WARNING THROUGH SUNDAY NIGHT...

.TONIGHT...S wind 50 kt diminishing to 40 kt after midnight. Seas
16 ft. Widespread rain showers.
.SUN...SW wind 60 kt. Seas 29 ft building to 45 ft in the
afternoon. Widespread rain showers.
.SUN NIGHT...W wind 60 kt diminishing to 50 kt after midnight.
Seas 47 ft subsiding to 38 ft after midnight. Rain showers.
.MON...W wind 50 kt. Seas 30 ft.
.MON NIGHT...NW wind 30 kt. Seas 21 ft.
.TUE...NE wind 25 kt. Seas 15 ft.
.WED...NW wind 30 kt. Seas 9 ft.
.THU...NE wind 20 kt. Seas 7 ft.

$$

PKZ171-221300-
Unalaska Bay-
255 PM AKST Sat Dec 21 2019

...GALE WARNING THROUGH SUNDAY NIGHT...

.TONIGHT...S wind 35 kt. Seas 5 ft. Widespread rain and snow
showers.
.SUN...SW wind 35 kt increasing to 45 kt in the afternoon. Gusts to
60 kt in the afternoon. Seas 6 ft. Widespread snow and rain showers.
.SUN NIGHT...NW wind 45 kt becoming W 35 kt after midnight. Seas 24 
ft subsiding to 5 ft after midnight. Snow and rain showers.
.MON...W wind 40 kt. Seas 6 ft.
.MON NIGHT...W wind 35 kt. Seas 7 ft.
.TUE...NE wind 15 kt. Seas 3 ft.
.WED...NW wind 20 kt. Seas 7 ft.
.THU...NE wind 15 kt. Seas 5 ft.

$$

PKZ172-221300-
Cape Sarichef to Nikolski Pacific Side-
255 PM AKST Sat Dec 21 2019

...STORM WARNING SUNDAY AND SUNDAY NIGHT...

.TONIGHT...S wind 45 kt. Seas 16 ft building to 24 ft after
midnight. Widespread rain showers.
.SUN...SW wind 55 kt. Seas 31 ft building to 38 ft in the
afternoon. Widespread rain showers.
.SUN NIGHT...W wind 55 kt diminishing to 45 kt after midnight.
Seas 39 ft. Snow showers and rain showers.
.MON...W wind 50 kt. Seas 26 ft.
.MON NIGHT...W wind 40 kt. Seas 24 ft.
.TUE...NE wind 25 kt. Seas 13 ft.
.WED...NW wind 30 kt. Seas 10 ft.
.THU...NE wind 20 kt. Seas 6 ft.

$$

PKZ173-221300-
Nikolski to Seguam Island Bering Side-
255 PM AKST Sat Dec 21 2019

...HURRICANE FORCE WIND WARNING SUNDAY...

.TONIGHT...S wind 45 kt becoming SW 55 kt after midnight. Seas 18
ft building to 27 ft after midnight. Widespread rain showers.
.SUN...SW wind 65 kt. Gusts to 80 kt. Seas 48 ft. Widespread rain 
and snow showers.
.SUN NIGHT...W wind 55 kt diminishing to 45 kt after midnight.
Seas 43 ft subsiding to 27 ft after midnight.
.MON...W wind 45 kt. Seas 28 ft.
.MON NIGHT...NW wind 35 kt. Seas 23 ft.
.TUE...NE wind 30 kt. Seas 11 ft.
.WED...NW wind 30 kt. Seas 11 ft.
.THU...NE wind 20 kt. Seas 8 ft.

$$

PKZ174-221300-
Nikolski to Seguam Island Pacific Side-
255 PM AKST Sat Dec 21 2019

...STORM WARNING THROUGH SUNDAY NIGHT...

.TONIGHT...SW wind 50 kt. Seas 27 ft building to 34 ft after
midnight. Widespread rain showers.
.SUN...W wind 60 kt. Seas 43 ft. Rain showers and snow showers.
.SUN NIGHT...W wind 50 kt. Seas 40 ft subsiding to 28 ft after
midnight.  and widespread rain showers.
.MON...W wind 50 kt. Seas 27 ft.
.MON NIGHT...W wind 35 kt. Seas 24 ft.
.TUE...NE wind 30 kt. Seas 12 ft.
.WED...NW wind 30 kt. Seas 12 ft.
.THU...E wind 20 kt. Seas 8 ft.

$$

PKZ175-221300-
Seguam Island to Adak Bering Side-
255 PM AKST Sat Dec 21 2019

...HURRICANE FORCE WIND WARNING THROUGH SUNDAY...

.TONIGHT...SW wind 50 kt becoming W 65 kt after midnight. Gusts to 80
kt after midnight. Seas 23 ft building to 37 ft after midnight. 
Widespread rain and snow showers.
.SUN...W wind 70 kt. Gusts to 85 kt. Seas 44 ft. Widespread snow and
rain showers.
.SUN NIGHT...W wind 45 kt. Seas 30 ft.
.MON...W wind 45 kt. Seas 26 ft.
.MON NIGHT...W wind 30 kt. Seas 20 ft.
.TUE...NE wind 30 kt. Seas 11 ft.
.WED...N wind 25 kt. Seas 11 ft.
.THU...NE wind 25 kt. Seas 8 ft.

$$

PKZ176-221300-
Seguam Island to Adak Pacific Side-
255 PM AKST Sat Dec 21 2019

...STORM WARNING THROUGH SUNDAY...

.TONIGHT...W wind 60 kt. Seas 38 ft. Widespread rain and snow
showers.
.SUN...W wind 60 kt. Seas 41 ft. Snow showers and rain showers.
.SUN NIGHT...W wind 45 kt. Seas 28 ft subsiding to 22 ft after
midnight.
.MON...W wind 45 kt. Seas 23 ft.
.MON NIGHT...NW wind 25 kt. Seas 17 ft.
.TUE...N wind 30 kt. Seas 12 ft.
.WED...NW wind 30 kt. Seas 12 ft.
.THU...NE wind 20 kt. Seas 8 ft.

$$

PKZ177-221300-
Adak to Kiska-
255 PM AKST Sat Dec 21 2019

...HURRICANE FORCE WIND WARNING THROUGH SUNDAY...

.TONIGHT...W wind 70 kt. Gusts to 85 kt. Seas 39 ft. Widespread snow
and rain showers.
.SUN...W wind 65 kt diminishing to 45 kt in the afternoon. Seas
40 ft subsiding to 31 ft in the afternoon.
.SUN NIGHT...NW wind 40 kt. Seas 21 ft.
.MON...W wind 40 kt. Seas 22 ft.
.MON NIGHT...NW wind 25 kt. Seas 16 ft.
.TUE...N wind 30 kt. Seas 12 ft.
.WED THROUGH THU...N wind 20 kt. Seas 10 ft.

$$

PKZ178-221300-
Kiska to Attu-
255 PM AKST Sat Dec 21 2019

...HURRICANE FORCE WIND WARNING TONIGHT...

.TONIGHT...W wind 65 kt. Gusts to 80 kt east of Shemya. Seas 33 ft. 
Freezing spray. Snow showers.
.SUN...W wind 50 kt becoming NW 30 kt in the afternoon. Seas 29 ft
subsiding to 19 ft in the afternoon. Freezing spray.
.SUN NIGHT...W wind 40 kt. Seas 18 ft. Freezing spray.
.MON...NW wind 35 kt. Seas 18 ft.
.MON NIGHT...NW wind 20 kt. Seas 13 ft.
.TUE...NW wind 25 kt. Seas 11 ft.
.WED THROUGH THU...N wind 15 kt. Seas 13 ft.

$$

PKZ179-221300-
Pribilof Islands Near Shore Waters-
255 PM AKST Sat Dec 21 2019

...STORM WARNING TONIGHT...

.TONIGHT...E wind 50 kt. Seas 17 ft. Widespread rain and snow
showers.
.SUN...E wind 30 kt. Seas 17 ft building to 23 ft in the
afternoon. Rain showers and widespread snow showers.
.SUN NIGHT...NE wind 30 kt. Seas 25 ft. Snow and widespread rain 
showers.
.MON...N wind 25 kt. Seas 18 ft.
.MON NIGHT...NW wind 20 kt. Seas 15 ft.
.TUE THROUGH WED...NW wind 25 kt. Seas 11 ft.
.THU...N wind 15 kt. Seas 7 ft.

$$

PKZ180-221300-
Kuskokwim Delta and Etolin Strait-
255 PM AKST Sat Dec 21 2019

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

.TONIGHT...E wind 35 kt increasing to 45 kt after midnight. Seas
8 ft building to 14 ft after midnight.
.SUN...E wind 45 kt. Seas 15 ft. Heavy freezing spray. Widespread
snow showers.
.SUN NIGHT...E wind 35 kt. Seas 16 ft. Heavy freezing spray near the
coast. Snow showers.
.MON...N wind 30 kt. Seas 17 ft.
.MON NIGHT...NW wind 30 kt. Seas 12 ft.
.TUE...N wind 30 kt. Seas 11 ft.
.WED THROUGH THU...N wind 25 kt. Seas 7 ft.

$$

PKZ181-221300-
North and West of Nunivak Island-
255 PM AKST Sat Dec 21 2019

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

.TONIGHT...E wind 40 kt. Seas 12 ft. Heavy freezing spray near the
coast.
.SUN...E wind 45 kt. Seas 13 ft. Heavy freezing spray Nunivak Island
east.
.SUN NIGHT...NE wind 35 kt. Seas 13 ft. Heavy freezing spray Nunivak
Island east..
.MON AND MON NIGHT...N wind 30 kt. Seas 11 ft.
.TUE THROUGH WED...N wind 25 kt. Seas 9 ft.
.THU...N wind 20 kt. Seas 8 ft.

$$

PKZ185-221300-
Saint Matthew Island Waters-
255 PM AKST Sat Dec 21 2019

...STORM WARNING THROUGH SUNDAY...

.TONIGHT...E of Saint Matthew Island, E wind 40 kt increasing to
50 kt after midnight. W of Saint Matthew Island, E wind 50 kt.
Seas 15 ft building to 22 ft after midnight.
.SUN...E wind 50 kt. Seas 24 ft. Freezing spray.
.SUN NIGHT...NE wind 40 kt. Seas 21 ft. Freezing spray.
.MON...NE wind 30 kt. Seas 15 ft.
.MON NIGHT...N wind 30 kt. Seas 11 ft.
.TUE...N wind 25 kt. Seas 10 ft.
.WED THROUGH THU...N wind 20 kt. Seas 8 ft.

$$

686 
FZAK52 PAFC 221206
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
306 AM AKST Sun Dec 22 2019

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-
306 AM AKST Sun Dec 22 2019
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 962 mb low 200 nm north of Adak Sun morning will move 150 nm SE
of Saint Paul Sun afternoon. The low then moves over Bristol Bay 
at 970 mb Mon afternoon. A second 992 mb North Pacific Low 180 nm
SW of Amchitka Sun afternoon will move 50 nm south of Atka Sun 
night. This low will then become absorbed into the low over 
Bristol Bay Mon afternoon.

$$

PKZ150-230045-
South of the AK Peninsula Sitkinak to Castle Cape-
306 AM AKST Sun Dec 22 2019

...GALE WARNING THROUGH MONDAY...

.TODAY...S wind 35 kt. Seas 16 ft. Rain showers.
.TONIGHT...SW wind 35 kt increasing to 45 kt after midnight. Seas
18 ft building to 25 ft after midnight. Rain showers.
.MON...SW wind 40 kt diminishing to 30 kt in the afternoon. Seas
26 ft. Rain showers.
.MON NIGHT...W wind 30 kt. Seas 20 ft.
.TUE...NW wind 30 kt. Seas 19 ft.
.WED THROUGH THU...NW wind 40 kt. Seas 18 ft.

$$

PKZ155-230045-
South of the AK Peninsula Castle Cape to Cape Sarichef-
306 AM AKST Sun Dec 22 2019

...STORM WARNING TONIGHT AND MONDAY...

.TODAY...SW wind 40 kt. Seas 20 ft building to 27 ft in the
afternoon. From the Shumagin Islands E, seas 19 ft. Rain showers.
.TONIGHT...SW wind 50 kt except SW 45 kt from the Shumagin Islands
E. Seas 36 ft. From the Shumagin Islands E, seas 24 ft building to
31 ft after midnight. Rain showers with snow showers.
.MON...W wind 40 kt increasing to 50 kt in the afternoon. From the
Shumagin Islands E, SW wind 45 kt. Seas 29 ft. Rain showers and
snow showers.
.MON NIGHT...W wind 40 kt. Seas 27 ft.
.TUE...NW wind 30 kt. Seas 19 ft.
.WED THROUGH THU...NW wind 35 kt. Seas 13 ft.

$$

PKZ160-230045-
Bristol Bay-
306 AM AKST Sun Dec 22 2019

...GALE WARNING TODAY AND MONDAY...

.TODAY...E wind 40 kt. Seas 9 ft. Freezing spray. Snow showers and
rain showers.
.TONIGHT...SE wind 30 kt. Seas 7 ft building to 11 ft after
midnight. Freezing spray. Snow showers and rain showers.
.MON...SE wind 35 kt becoming S 25 kt in the afternoon. Seas 16
ft. Freezing spray. Snow showers.
.MON NIGHT...W wind 30 kt. Seas 12 ft.
.TUE THROUGH THU...NW wind 30 kt. Seas 11 ft.

$$

PKZ165-230045-
Port Heiden to Cape Sarichef-
306 AM AKST Sun Dec 22 2019

...STORM WARNING TONIGHT...

.TODAY...SW wind 35 kt increasing to 45 kt in the afternoon, Seas
13 ft building to 24 ft in the afternoon. From Port Moller E, SW
wind 30 kt, Seas 7 ft building to 11 ft in the afternoon. Rain showers.
.TONIGHT...SW wind 55 kt, Seas 39 ft. From Port Moller E, S wind
30 kt becoming SW 50 kt after midnight, Seas 18 ft building to 30
ft after midnight. Rain showers and snow showers.
.MON...W wind 40 kt becoming NW 30 kt in the afternoon. Seas 26 ft
subsiding to 18 ft in the afternoon. Rain showers and snow showers.
.MON NIGHT...NW wind 30 kt. Seas 18 ft.
.TUE...NW wind 30 kt. Seas 15 ft.
.WED THROUGH THU...N wind 30 kt. Seas 11 ft.

$$

PKZ170-230045-
Cape Sarichef to Nikolski Bering Side-
306 AM AKST Sun Dec 22 2019

...STORM WARNING THROUGH MONDAY...

.TODAY...SW wind 60 kt. Seas 29 ft building to 45 ft in the
afternoon. Rain showers.
.TONIGHT...W wind 60 kt diminishing to 50 kt after midnight. Seas
47 ft subsiding to 38 ft after midnight. Rain showers.
.MON...W wind 50 kt. Seas 30 ft. Snow showers and rain showers.
.MON NIGHT...NW wind 30 kt. Seas 21 ft.
.TUE...N wind 30 kt. Seas 15 ft.
.WED...NW wind 30 kt. Seas 9 ft.
.THU...NE wind 20 kt. Seas 8 ft.

$$

PKZ171-230045-
Unalaska Bay-
306 AM AKST Sun Dec 22 2019

...GALE WARNING THROUGH MONDAY...

.TODAY...SW wind 35 kt increasing to 45 kt in the afternoon. Seas
6 ft. Snow showers with rain showers.
.TONIGHT...NW wind 45 kt becoming W 35 kt after midnight. Seas 24
ft subsiding to 5 ft after midnight. Snow showers with rain showers.
.MON...W wind 40 kt. Seas 6 ft. Snow showers and rain showers.
.MON NIGHT...W wind 35 kt. Seas 7 ft.
.TUE...N wind 25 kt. Seas 9 ft.
.WED...NW wind 25 kt. Seas 9 ft.
.THU...NE wind 15 kt. Seas 5 ft.

$$

PKZ172-230045-
Cape Sarichef to Nikolski Pacific Side-
306 AM AKST Sun Dec 22 2019

...STORM WARNING THROUGH MONDAY...

.TODAY...SW wind 55 kt. Seas 31 ft building to 38 ft in the
afternoon. Rain showers.
.TONIGHT...W wind 55 kt diminishing to 45 kt after midnight. Seas
39 ft. Snow showers and rain showers.
.MON...W wind 50 kt. Seas 26 ft. Rain showers.
.MON NIGHT...W wind 40 kt. Seas 24 ft.
.TUE...NE wind 30 kt. Seas 13 ft.
.WED...NW wind 30 kt. Seas 13 ft.
.THU...NE wind 25 kt. Seas 11 ft.

$$

PKZ173-230045-
Nikolski to Seguam Island Bering Side-
306 AM AKST Sun Dec 22 2019

...HURRICANE FORCE WIND WARNING TODAY...

.TODAY...SW wind 65 kt. Gusts to 80 kt. Seas 48 ft. 
Rain showers with snow showers.
.TONIGHT...W wind 55 kt diminishing to 45 kt after midnight. 
Seas 43 ft subsiding to 27 ft after midnight.
.MON...W wind 45 kt. Seas 28 ft. Snow showers.
.MON NIGHT...NW wind 35 kt. Seas 23 ft.
.TUE...NE wind 25 kt. Seas 11 ft.
.WED...NW wind 25 kt. Seas 9 ft.
.THU...E wind 25 kt. Seas 9 ft.

$$

PKZ174-230045-
Nikolski to Seguam Island Pacific Side-
306 AM AKST Sun Dec 22 2019

...STORM WARNING THROUGH MONDAY...

.TODAY...W wind 60 kt. Seas 43 ft. Rain showers and snow showers.
.TONIGHT...W wind 50 kt. Seas 40 ft subsiding to 28 ft after
midnight.  and rain showers.
.MON...W wind 50 kt diminishing to 40 kt in the afternoon. 
Seas 27 ft.
.MON NIGHT...W wind 35 kt. Seas 24 ft.
.TUE...NE wind 25 kt. Seas 12 ft.
.WED...NW wind 25 kt. Seas 12 ft.
.THU...E wind 25 kt. Seas 16 ft.

$$

PKZ175-230045-
Seguam Island to Adak Bering Side-
306 AM AKST Sun Dec 22 2019

...HURRICANE FORCE WIND WARNING TODAY...

.TODAY...W wind 70 kt. Gusts to 85 kt. Seas 44 ft. 
Snow showers and rain showers.
.TONIGHT...W wind 45 kt. Seas 30 ft.
.MON...W wind 45 kt. Seas 26 ft.
.MON NIGHT...W wind 30 kt. Seas 20 ft.
.TUE...N wind 20 kt. Seas 11 ft.
.WED...NE wind 20 kt. Seas 9 ft.
.THU...E wind 25 kt. Seas 8 ft.

$$

PKZ176-230045-
Seguam Island to Adak Pacific Side-
306 AM AKST Sun Dec 22 2019

...STORM WARNING TODAY...

.TODAY...W wind 60 kt. Seas 41 ft. Snow showers with rain showers.
.TONIGHT...W wind 45 kt. Seas 28 ft subsiding to 22 ft after midnight.
.MON...W wind 45 kt diminishing to 35 kt in the afternoon. Seas 23 ft.
.MON NIGHT...NW wind 25 kt. Seas 17 ft.
.TUE...N wind 25 kt. Seas 11 ft.
.WED...S wind 25 kt. Seas 11 ft.
.THU...E wind 25 kt. Seas 15 ft.

$$

PKZ177-230045-
Adak to Kiska-
306 AM AKST Sun Dec 22 2019

...HURRICANE FORCE WIND WARNING TODAY...

.TODAY...W wind 65 kt diminishing to 45 kt in the afternoon. Seas
40 ft subsiding to 31 ft in the afternoon.
.TONIGHT...NW wind 40 kt. Seas 21 ft.
.MON...W wind 40 kt. Seas 22 ft.
.MON NIGHT...NW wind 25 kt. Seas 16 ft.
.TUE...NW wind 30 kt. Seas 11 ft.
.WED THROUGH THU...SE wind 25 kt. Seas 12 ft.

$$

PKZ178-230045-
Kiska to Attu-
306 AM AKST Sun Dec 22 2019

...STORM WARNING TODAY...

.TODAY...W wind 50 kt becoming NW 30 kt in the afternoon. Seas 29
ft subsiding to 19 ft in the afternoon. Freezing spray.
.TONIGHT...W wind 40 kt. Seas 18 ft. Freezing spray.
.MON...W wind 35 kt becoming NW 25 kt in the afternoon. 
Seas 18 ft. Freezing spray.
.MON NIGHT...NW wind 20 kt. Seas 13 ft.
.TUE...NW wind 25 kt. Seas 11 ft.
.WED...SE wind 30 kt. Seas 16 ft.
.THU...SE wind 25 kt. Seas 15 ft.

$$

PKZ179-230045-
Pribilof Islands Near Shore Waters-
306 AM AKST Sun Dec 22 2019

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...E wind 30 kt. Seas 17 ft building to 23 ft in the
afternoon. Rain showers and snow showers.
.TONIGHT...NE wind 30 kt. Seas 25 ft. Freezing spray. Snow showers
and rain showers.
.MON...N wind 25 kt. Seas 18 ft. Freezing spray.
.MON NIGHT...NW wind 20 kt. Seas 15 ft.
.TUE...N wind 20 kt. Seas 12 ft.
.WED...NW wind 20 kt. Seas 7 ft.
.THU...N wind 15 kt. Seas 6 ft.

$$

PKZ180-230045-
Kuskokwim Delta and Etolin Strait-
306 AM AKST Sun Dec 22 2019

...GALE WARNING THROUGH TONIGHT...
...HEAVY FREEZING SPRAY WARNING THROUGH TONIGHT...

.TODAY...E wind 45 kt. Seas 15 ft. Heavy freezing spray. Snow
showers and rain showers.
.TONIGHT...E wind 35 kt. Seas 16 ft. Heavy freezing spray. Snow
showers and rain showers.
.MON...N wind 30 kt. Seas 17 ft. Freezing spray.
.MON NIGHT...NW wind 30 kt. Seas 12 ft.
.TUE THROUGH THU...N wind 30 kt. Seas 10 ft.

$$

PKZ181-230045-
North and West of Nunivak Island-
306 AM AKST Sun Dec 22 2019

...GALE WARNING THROUGH TONIGHT...
...HEAVY FREEZING SPRAY WARNING THROUGH MONDAY...

.TODAY...E wind 45 kt. Seas 13 ft. Heavy freezing spray.
.TONIGHT...NE wind 35 kt. Seas 13 ft. Heavy freezing spray.
.MON...NE wind 30 kt. Seas 12 ft. Heavy freezing spray.
.MON NIGHT...N wind 30 kt. Seas 10 ft.
.TUE THROUGH WED...N wind 25 kt. Seas 9 ft.
.THU...N wind 20 kt. Seas 6 ft.

$$

PKZ185-230045-
Saint Matthew Island Waters-
306 AM AKST Sun Dec 22 2019

...STORM WARNING TODAY...

.TODAY...E wind 50 kt. Seas 24 ft. Freezing spray.
.TONIGHT...NE wind 40 kt. Seas 21 ft. Freezing spray.
.MON...NE wind 30 kt. Seas 15 ft. Freezing spray.
.MON NIGHT...N wind 30 kt. Seas 11 ft.
.TUE THROUGH THU...N wind 25 kt. Seas 9 ft.

$$

175 
FZAK52 PAFC 230021
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
321 PM AKST Sun Dec 22 2019

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.

PKZ199-231315-
321 PM AKST Sun Dec 22 2019
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 967 mb low 115 nm southeast of Saint Paul Sun afternoon moves 50
nm south of King Salmon at 976 mb Mon afternoon. A 989 mb low 
450 nm southwest of Adak Mon afternoon moves 220 nm southwest of 
Dutch Harbor at 973 mb Tue afternoon.

$$

PKZ150-231315-
South of the AK Peninsula Sitkinak to Castle Cape-
321 PM AKST Sun Dec 22 2019

...GALE WARNING THROUGH MONDAY...

.TONIGHT...SW wind 35 kt increasing to 45 kt after midnight. 
Seas 18 ft building to 25 ft after midnight. Rain.
.MON...SW wind 45 kt diminishing to 30 kt in the afternoon. 
Seas 28 ft. Rain.
.MON NIGHT...W wind 30 kt. Seas 18 ft.
.TUE...W wind 30 kt. Seas 18 ft.
.TUE NIGHT...NE wind 30 kt. Seas 10 ft.
.WED...NW wind 45 kt. Seas 21 ft.
.THU...NW wind 40 kt. Seas 15 ft.
.FRI...NW wind 30 kt. Seas 9 ft.

$$

PKZ155-231315-
South of the AK Peninsula Castle Cape to Cape Sarichef-
321 PM AKST Sun Dec 22 2019

...STORM WARNING TONIGHT...

.TONIGHT...SW wind increasing to 50 kt. Seas 38 ft. From the 
Shumagin Islands E, seas 25 ft building to 33 ft after midnight. 
Rain and snow.
.MON...W wind 40 kt. From the Shumagin Islands E, SW wind 45 kt
becoming W 25 kt in the afternoon. Seas 30 ft subsiding to 22 ft
in the afternoon.
.MON NIGHT...NW wind 35 kt. Seas 21 ft.
.TUE...N wind 35 kt. Seas 16 ft.
.TUE NIGHT...NE wind 45 kt. Seas 16 ft.
.WED...NW wind 45 kt. Seas 19 ft.
.THU...NW wind 35 kt. Seas 12 ft.
.FRI...N wind 20 kt. Seas 11 ft.

$$

PKZ160-231315-
Bristol Bay-
321 PM AKST Sun Dec 22 2019

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

.TONIGHT...SE wind 25 kt. Seas 8 ft. Snow and rain showers.
.MON...N wind 30 kt. Seas 8 ft. Freezing spray.
.MON NIGHT...NW wind 30 kt. Seas 10 ft. Freezing spray.
.TUE...NW wind 30 kt. Seas 10 ft.
.TUE NIGHT...NE wind 25 kt. Seas 5 ft.
.WED THROUGH THU...NW wind 30 kt. Seas 9 ft.
.FRI...N wind 20 kt. Seas 5 ft.

$$

PKZ165-231315-
Port Heiden to Cape Sarichef-
321 PM AKST Sun Dec 22 2019

...STORM WARNING TONIGHT...

.TONIGHT...SW wind increasing to 50 kt, Seas 32 ft. From Port Moller
E, S wind 30 kt becoming SW 40 kt after midnight, Seas 15 ft 
building to 21 ft after midnight. Widespread rain and snow showers.
.MON...W wind 30 kt. Seas 22 ft subsiding to 15 ft in the
afternoon.
.MON NIGHT...NW wind 30 kt. Seas 14 ft.
.TUE...N wind 25 kt. Seas 11 ft.
.TUE NIGHT...NE wind 35 kt. Seas 11 ft.
.WED...NW wind 35 kt. Seas 13 ft.
.THU...N wind 30 kt. Seas 12 ft.
.FRI...N wind 20 kt. Seas 8 ft.

$$

PKZ170-231315-
Cape Sarichef to Nikolski Bering Side-
321 PM AKST Sun Dec 22 2019

...STORM WARNING TONIGHT...

.TONIGHT...W wind 60 kt diminishing to 50 kt after midnight. 
Seas 43 ft subsiding to 34 ft after midnight. Rain.
.MON...W wind 45 kt diminishing to 35 kt in the afternoon. 
Seas 24 ft. Rain showers.
.MON NIGHT...NW wind 30 kt diminishing to 15 kt after midnight.
Seas 18 ft.
.TUE AND TUE NIGHT...N wind 35 kt. Seas 12 ft.
.WED...NW wind 30 kt. Seas 12 ft.
.THU...NE wind 20 kt. Seas 8 ft.
.FRI...NE wind 15 kt. Seas 10 ft.

$$

PKZ171-231315-
Unalaska Bay-
321 PM AKST Sun Dec 22 2019

...GALE WARNING TONIGHT...

.TONIGHT...W wind 40 kt diminishing to 30 kt after midnight. 
Seas 6 ft. Snow.
.MON...W wind 30 kt. Gusts to 40 kt. Seas 5 ft building to 10 ft in 
the afternoon. Rain showers and snow showers.
.MON NIGHT...NW wind 25 kt becoming W 10 kt after midnight. 
Seas 10 ft subsiding to 2 ft after midnight.
.TUE...NE wind 30 kt. Seas 7 ft.
.TUE NIGHT...N wind 35 kt. Seas 12 ft.
.WED...NW wind 30 kt. Seas 11 ft.
.THU...NE wind 15 kt. Seas 5 ft.
.FRI...NE wind 10 kt. Seas 3 ft.

$$

PKZ172-231315-
Cape Sarichef to Nikolski Pacific Side-
321 PM AKST Sun Dec 22 2019

...STORM WARNING THROUGH MONDAY...

.TONIGHT...W wind 55 kt diminishing to 45 kt after midnight. 
Seas 40 ft subsiding to 28 ft after midnight. Snow and rain.
.MON...W wind 50 kt diminishing to 40 kt in the afternoon. 
Seas 25 ft.
.MON NIGHT...W wind 35 kt diminishing to 20 kt after midnight.
Seas 23 ft subsiding to 16 ft after midnight.
.TUE...E wind 45 kt. Seas 12 ft.
.TUE NIGHT...N wind 50 kt. Seas 19 ft.
.WED...NW wind 40 kt. Seas 17 ft.
.THU...NE wind 25 kt. Seas 11 ft.
.FRI...NE wind 15 kt. Seas 19 ft.

$$

PKZ173-231315-
Nikolski to Seguam Island Bering Side-
321 PM AKST Sun Dec 22 2019

...STORM WARNING THROUGH MONDAY...

.TONIGHT...W wind 55 kt diminishing to 40 kt after midnight. 
Seas 41 ft subsiding to 26 ft after midnight.
.MON...W wind 50 kt diminishing to 35 kt in the afternoon. 
Seas 29 ft subsiding to ft in the afternoon.
.MON NIGHT...W wind 30 kt in the evening becoming variable 10 kt.
Seas 18 ft subsiding to 13 ft after midnight.
.TUE...NE wind 40 kt. Seas 12 ft.
.TUE NIGHT...N wind 30 kt. Seas 12 ft.
.WED...N wind 20 kt. Seas 10 ft.
.THU...E wind 25 kt. Seas 9 ft.
.FRI...E wind 15 kt. Seas 16 ft.

$$

PKZ174-231315-
Nikolski to Seguam Island Pacific Side-
321 PM AKST Sun Dec 22 2019

...STORM WARNING TONIGHT...

.TONIGHT...W wind 50 kt diminishing to 40 kt after midnight. Seas
39 ft subsiding to 26 ft after midnight. Rain and snow.
.MON...W wind 45 kt diminishing to 35 kt in the afternoon. Seas 26 
ft subsiding to 21 ft in the afternoon.
.MON NIGHT...W wind 30 kt becoming SE after midnight. Seas 20 ft
subsiding to 14 ft after midnight.
.TUE...NE wind 45 kt. Seas 16 ft.
.TUE NIGHT...N wind 40 kt. Seas 18 ft.
.WED...N wind 25 kt. Seas 13 ft.
.THU...E wind 25 kt. Seas 16 ft.
.FRI...E wind 15 kt. Seas 20 ft.

$$

PKZ175-231315-
Seguam Island to Adak Bering Side-
321 PM AKST Sun Dec 22 2019

...GALE WARNING THROUGH MONDAY...

.TONIGHT...W wind 45 kt. Seas 29 ft subsiding to 22 ft after
midnight.
.MON...W wind 45 kt diminishing to 30 kt in the afternoon. 
Seas 23 ft subsiding to 17 in the afternoon.
.MON NIGHT...NW wind 25 kt becoming N 15 kt after midnight. 
Seas 14 ft.
.TUE AND TUE NIGHT...NW wind 30 kt. Seas 11 ft.
.WED...NE wind 25 kt. Seas 8 ft.
.THU...E wind 30 kt. Seas 8 ft.
.FRI...E wind 20 kt. Seas 14 ft.

$$

PKZ176-231315-
Seguam Island to Adak Pacific Side-
321 PM AKST Sun Dec 22 2019

...GALE WARNING THROUGH MONDAY...

.TONIGHT...NW wind 40 kt. Seas 26 ft. Rain and snow.
.MON...W wind 40 kt diminishing to 30 kt in the afternoon. Seas
21 ft.
.MON NIGHT...N wind 20 kt becoming NE 30 kt after midnight. Seas
13 ft.
.TUE...N wind 40 kt. Seas 14 ft.
.TUE NIGHT...NW wind 35 kt. Seas 15 ft.
.WED...NE wind 30 kt. Seas 11 ft.
.THU...E wind 35 kt. Seas 15 ft.
.FRI...E wind 15 kt. Seas 18 ft.

$$

PKZ177-231315-
Adak to Kiska-
321 PM AKST Sun Dec 22 2019

...GALE WARNING THROUGH MONDAY...

.TONIGHT...W wind 30 kt increasing to 40 kt after midnight. 
Seas 19 ft.
.MON...W wind 35 kt becoming NW 25 kt in the afternoon. 
Seas 18 ft.
.MON NIGHT...N wind 25 kt. Seas 11 ft.
.TUE AND TUE NIGHT...NW wind 30 kt. Seas 12 ft.
.WED...E wind 35 kt. Seas 13 ft.
.THU...E wind 35 kt. Seas 17 ft.
.FRI...E wind 20 kt. Seas 15 ft.

$$

PKZ178-231315-
Kiska to Attu-
321 PM AKST Sun Dec 22 2019

...GALE WARNING TONIGHT...

.TONIGHT...W wind 35 kt. Seas 16 ft. Freezing spray.
.MON...W wind 30 kt becoming NW 20 kt in the afternoon. 
Seas 15 ft. Freezing spray.
.MON NIGHT...NW wind 15 kt. Seas 11 ft.
.TUE...NW wind 15 kt. Seas 9 ft.
.TUE NIGHT...N wind 25 kt. Seas 10 ft.
.WED...E wind 40 kt. Seas 20 ft.
.THU...SE wind 35 kt. Seas 20 ft.
.FRI...E wind 25 kt. Seas 16 ft.

$$

PKZ179-231315-
Pribilof Islands Near Shore Waters-
321 PM AKST Sun Dec 22 2019

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

.TONIGHT...NE wind 30 kt. Seas 21 ft. Snow and widespread 
rain showers.
.MON...N wind 25 kt. Seas 16 ft.
.MON NIGHT...NW wind 15 kt. Seas 12 ft. Freezing spray.
.TUE...NE wind 20 kt. Seas 9 ft.
.TUE NIGHT...N wind 25 kt. Seas 7 ft.
.WED...N wind 20 kt. Seas 8 ft.
.THU...NE wind 15 kt. Seas 6 ft.
.FRI...NE wind 15 kt. Seas 11 ft.

$$

PKZ180-231315-
Kuskokwim Delta and Etolin Strait-
321 PM AKST Sun Dec 22 2019

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

.TONIGHT...E wind 30 kt. Seas 14 ft. Freezing spray N of Cape
Newenham. Snow and rain showers.
.MON...N wind 25 kt. Seas 12 ft. Freezing spray.
.MON NIGHT...NW wind 30 kt. Seas 10 ft. Freezing spray.
.TUE...N wind 30 kt. Seas 8 ft.
.TUE NIGHT...N wind 25 kt. Seas 5 ft.
.WED...N wind 35 kt. Seas 10 ft.
.THU...N wind 30 kt. Seas 9 ft.
.FRI...N wind 20 kt. Seas 5 ft.

$$

PKZ181-231315-
North and West of Nunivak Island-
321 PM AKST Sun Dec 22 2019

...GALE WARNING TONIGHT...
...HEAVY FREEZING SPRAY WARNING THROUGH MONDAY NIGHT...

.TONIGHT...NE wind 35 kt. Seas 12 ft. Heavy freezing spray.
.MON...N wind 30 kt. Seas 12 ft. Heavy freezing spray.
.MON NIGHT...N wind 25 kt. Seas 8 ft. Heavy freezing spray.
.TUE...N wind 25 kt. Seas 8 ft.
.TUE NIGHT...N wind 20 kt. Seas 7 ft.
.WED...N wind 25 kt. Seas 7 ft.
.THU THROUGH FRI...NE wind 20 kt. Seas 6 ft.

$$

PKZ185-231315-
Saint Matthew Island Waters-
321 PM AKST Sun Dec 22 2019

...GALE WARNING TONIGHT...

.TONIGHT...NE wind 35 kt. Seas 19 ft. Freezing spray.
.MON...NE wind 30 kt. Seas 14 ft. Freezing spray.
.MON NIGHT...NE wind 25 kt. Seas 10 ft. Freezing spray.
.TUE AND TUE NIGHT...N wind 20 kt. Seas 8 ft.
.WED...N wind 20 kt. Seas 7 ft.
.THU THROUGH FRI...NE wind 25 kt. Seas 9 ft.

$$

Southcentral and Southwest Alaska Forecast Discussion
National Weather Service Anchorage AK
413 PM AKST Thu Dec 19 2019

.ANALYSIS AND UPPER LEVELS...
IR satellite imagery and surface observations continue to show an
expansive area arctic air encompassing the northern two thirds of
the state. While the crux of this airmass remains north of the
Alaska Range, some of the arctic air continues to filter into the
Kuskokwim Delta and Copper River Basin, where temperatures this
afternoon remain well below zero. A thin band of mid-level clouds
stretching from Paxson to Cooper River (with some light snow in
Eureka) marks the position of an upper-level trough, and is
progressing slowly eastward across Southcentral. This feature is
helping drive the arctic air farther south, with no noticeable
uptick in daytime temperatures across the northern and western
portions of the Susitna Valley, even with the low-angle, yet
abundant, wintertime sun. Northerly winds, while still light, are
also increasing behind this trough.

Farther south, a decaying surface low continues to spin over the
extreme southern Gulf. This feature remains nearly stationary as
it remains cut off from the main upper-level jet positioned over
the northern Pacific with a jet streak of 150kts entering the
Pacific Northwest. A series of shortwaves associated with this low
continue to produce scattered showers along the immediate
Prince William Sound coast as they move east to west across the
northern Gulf. Gusty northerly winds also continue to increase
this afternoon along the southcentral coast as both the pressure
and thermal gradients between the main Gulf low and the arctic
ridge strengthen.

Farther west, a mix of rain and snow showers, along with northerly
wind gusts, continues across the eastern Aleutians and southern
AKPEN as colder air dives south behind a shortwave. A gale-force
front is positioned between Adak and the Pribilofs and is tracking
east across the Bering. This front is associated with a deepening
Kamchatka low situated along the Russian coast. Its trailing cold
front is advancing toward Shemya.

&&

.MODEL DISCUSSION...
Models remain in decent agreement through Sunday. The ensemble
members of the GFS continue to tightly cluster through 18z Sunday
but shifts out of phase with the deterministic runs of the GFS and
EC by Monday. All guidance, however, indicate a shift in the main
trough from the western Bering to western Alaska by early next
week. This would bring a return of more active weather to
Southcentral by early next week. This lends to an above average
forecast confidence through the weekend with a diminishing level
confidence beyond that time.

&&

.AVIATION...

PANC...VFR conditions are likely to persist. There is the
potential for fog and low stratus to again form along the Knik Arm
by mid-morning Friday. If this does occur, a light northerly wind
may transport any fog / low stratus over the airport complex by
late Friday morning. Confidence in this is very low, however, and
is currently dealt with using "VCFG". Light winds are expected,
generally out of the north.

&&

.SHORT TERM FORECAST SOUTHCENTRAL ALASKA (Days 1 and 2)...
An Arctic trough will continue to move south across Southcentral
Alaska this evening. Colder temperatures accompany this trough,
along with clearing conditions as light snow tapers off tonight
over the Copper River Basin. This cold air advection pattern is
favorable for gusty conditions through mountain gaps and bays
along the coast. These winds will taper down for a short time on
Friday afternoon before quickly returning on Saturday when the
next cold air advection event swings into the region from western
Alaska, which will help reinforce the cold air that is already in
place. Strongest winds associated with this event will be over the
western Gulf. As the cold air settles in over the weekend, low
temperatures will be the coldest seen so far this season.

&&

.SHORT TERM FORECAST SOUTHWEST ALASKA (Days 1 through 3)...
Cold and dry conditions will persist over Southwest overnight
tonight as an upper level ridge moves farther inland over the
mainland. Elevated northerly winds through the usual gaps and
passes along the Alaska Peninsula will eventually diminish this
evening. A front in the central Bering reaches the Southwest coast
this evening, though in a weaker state. Nunivak Island may see
some snowfall starting this evening and by Friday, areas across
the Kuskokwim Delta Coast may see some snowfall as well, though no
significant accumulations are expected. As the front continues to
move inland, westerly/northwesterly flow aloft will bring in
colder air, leading to generally colder temperatures across
Southwest for the weekend. By Sunday, the next system approaches,
bringing gusty southeasterly flow to the southern Alaska
Peninsula.

&&

.SHORT TERM FORECAST BERING SEA/ALEUTIANS (Days 1 through 3)...
A gale force front over the central Bering will continue to move
eastward this evening. Showers will persist over the Bering for
Friday ahead of an incoming storm force low. This low will arrive
over the western Aleutians late Friday into early Saturday
bringing southeasterly winds and rain as it advances eastward
through the day Saturday. The strongest winds will be on the
backside of the low with hurricane force gusts expected Saturday
afternoon over the Rat Islands and western Andreanof Islands,
including Adak. In addition to strong winds and high waves,
blowing snow and blizzard conditions are possible over the western
Aleutians Saturday evening. Please stay tuned to the forecast as
we continue to make updates as we have more information on where
exactly this strong area of low pressure is tracking.

&&

.MARINE (Days 3 through 5)...
A storm force low will track from the western Aleutians to the
southern Bering Sea Saturday into Sunday. Expect widespread storms
and gales over the Bering and Aleutians, with the strongest winds
on the south side of the low, i.e., near the Aleutians with 40
foot combined seas possible. Farther east, Arctic high pressure
inland will facilitate strong offshore flow along the North Gulf
Coast. Expect gusty winds over the Barren Islands and out of the
Copper River Delta, Resurrection Bay and in the Valdez
Narrows/Valdez Arm Sunday. Conditions will become more benign
Monday into Tuesday... the Bering low will weaken and move inland,
and several weaker lows will develop in the Gulf.

&&

.LONG TERM FORECAST (Days 3 through 7)...
Beginning the extended period forecast on Sunday, the regional
upper air pattern will already be undergoing a rather dramatic
change as the mainland will be dominated by arctic troughing. This
is a huge change from the last several months (arguably, the
least year and a half) which has seen incredible and unprecedented
anomalous upper level ridging. Over the Bering Sea, there will be
a weakening storm force low with the front moving into the Gulf
of Alaska as a triple point low by Sunday afternoon and evening.
Besides below average temps over the entire Mainland, expect
increasing threats for accumulating snowfall as these warm fronts
move up along the North Gulf Coast, in conjunction with an arctic
trough over the western half of the Mainland. By Monday large
enough differences among the global models lends to increasing
disagreement with the placement of a mainland arctic trough,
which, as usual, dictates snowfall potential inland. The ECMWF is
most bullish developing an arctic trough farther south across
Southwest Alaska whereas the GFS and Canadian develop it farther
north, which effectively allows for more southeast cross-barrier
flow and warmer temps. The ECMWF would result in colder temps
lasting all week, along with much higher chances for accumulating
snow across large swaths of the Mainland. The GFS and Canadian
also support snow, but would be more localized and harder to
predict in their projected patterns. The takeaway: wintry weather
is here for the Christmas holiday week and the potential for
accumulating snowfall exists across the entire southern Mainland
region. Expect an active low track along the Aleutian Chain as
well as colder air shunts the storm track southward.

&&

.AFC WATCHES/WARNINGS/ADVISORIES...
PUBLIC...NONE.
MARINE...Gale Warning 121 127 130 131 138 150 176>178 181 185.
 Heavy Freezing Spray 181.
FIRE WEATHER...NONE.

&&

SYNOPSIS AND MODEL DISCUSSION...TM
SOUTHCENTRAL ALASKA...AH
SOUTHWEST ALASKA/BERING SEA/ALEUTIANS...KO
MARINE/LONG TERM...MM/JA