Offshore Forecast
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FZAK64 PAFC 201300
OFFN13


Coastal Waters Forecast
National Weather Service Anchorage Alaska
400 AM AKST Tue Feb 20 2018

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.

South of the AK Peninsula Sitkinak to Castle Cape-

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

.TODAY...Variable wind 15 kt. Seas 8 ft.
.TONIGHT...SW wind 20 kt. Seas 10 ft.
.WED...SW wind 20 kt. Seas 9 ft.
.WED NIGHT...SW wind 25 kt. Seas 9 ft.

South of the AK Peninsula Castle Cape to Cape Sarichef-

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

.TODAY...SE wind 20 kt except variable 10 kt from the Shumagin
Islands E. Seas 13 ft.
.TONIGHT...S wind 25 kt. Seas 12 ft.
.WED...S wind 20 kt. Seas 11 ft.
.WED NIGHT...SW wind 20 kt. Seas 10 ft.

Bristol Bay-

.TODAY...Variable wind less than 10 kt becoming E 10 kt in the
afternoon. Seas 4 ft. Patchy fog.
.TONIGHT...SE wind 20 kt. Seas 5 ft.
.WED...S wind 20 kt. Seas 6 ft.
.WED NIGHT...SW wind 20 kt. Seas 7 ft.

Port Heiden to Cape Sarichef-

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

.TODAY...E wind 15 kt becoming SE 25 kt in the afternoon. Seas
building to 10 ft.
.TONIGHT...SE wind 30 kt. Seas 10 ft.
.WED...S wind 25 kt. Seas 9 ft.
.WED NIGHT...SW wind 25 kt. Seas 13 ft.

Cape Sarichef to Nikolski Bering Side-

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

.TODAY...SE wind increasing to 30 kt. Seas 12 ft. Rain.
.TONIGHT...S wind 30 kt. Seas 12 ft.
.WED...S wind 30 kt. Seas 11 ft.
.WED NIGHT...SW wind 30 kt. Seas 15 ft.

Unalaska Bay-

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...SE wind 15 kt increasing to 25 kt in the afternoon. Seas 2
ft building to 4 ft. Rain.
.TONIGHT...S wind 25 kt. Seas 4 ft.
.WED...S wind 20 kt. Seas 3 ft.
.WED NIGHT...SW wind 20 kt. Seas 4 ft.

Cape Sarichef to Nikolski Pacific Side-

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

.TODAY...S wind increasing to 30 kt. Seas 15 ft.
.TONIGHT...S wind 30 kt. Seas 13 ft.
.WED...S wind 25 kt. Seas 12 ft.
.WED NIGHT...W wind 25 kt. Seas 13 ft.

Nikloski to Seguam Island Bering Side-

...GALE WARNING WEDNESDAY...

.TODAY...SE wind increasing to 30 kt. Seas 13 ft. Rain.
.TONIGHT...S wind 30 kt. Seas 13 ft.
.WED...S wind 35 kt. Seas 15 ft.
.WED NIGHT...W wind 30 kt. Seas 16 ft.

Nikolski to Seguam Island Pacific Side-

...GALE WARNING TODAY...

.TODAY...S wind increasing to 35 kt. Seas 16 ft. Rain.
.TONIGHT...S wind 30 kt. Seas 15 ft.
.WED...SW wind 30 kt. Seas 17 ft.
.WED NIGHT...W wind 25 kt. Seas 18 ft.

Seguam Island to Adak Bering Side-

...GALE WARNING THROUGH WEDNESDAY...

.TODAY...E wind increasing to 35 kt. Seas 12 ft.
.TONIGHT...S wind 35 kt increasing to 45 kt after midnight. Seas
11 ft.
.WED...SW wind 40 kt. Seas 14 ft.
.WED NIGHT...W wind 30 kt. Seas 13 ft.

Seguam Island to Adak Pacific Side-

...GALE WARNING TONIGHT AND WEDNESDAY...

.TODAY...SE wind 30 kt. Seas 15 ft. Rain.
.TONIGHT...S wind 40 kt. Seas 17 ft.
.WED...SW wind 35 kt. Seas 20 ft.
.WED NIGHT...W wind 25 kt. Seas 18 ft.

Adak to Kiska-

...GALE WARNING THROUGH WEDNESDAY...

.TODAY...SE wind increasing to 35 kt. Seas 12 ft Bering side...18 ft
Pacific side. Rain and snow.
.TONIGHT...S wind 40 kt. Seas 16 ft.
.WED...W wind 40 kt diminishing to 30 kt in the afternoon. Seas
13 ft bering side...20 ft Pacific side.
.WED NIGHT...SW wind 25 kt. Seas 11 ft.

Kiska to Attu-

...GALE WARNING THROUGH WEDNESDAY...

.TODAY...NE wind increasing to 40 kt. Seas 14 ft. Widespread snow
showers and rain.
.TONIGHT...N wind 40 kt. Seas 16 ft.
.WED...W wind 35 kt becoming SW 20 kt in the afternoon. Seas 13
ft.
.WED NIGHT...S wind 30 kt. Seas 13 ft.

Pribilof Islands Near Shore Waters-

...GALE WARNING WEDNESDAY...

.TODAY...S wind 15 kt becoming SE 30 kt in the afternoon. Seas
16 ft. Rain with snow.
.TONIGHT...S wind 30 kt. Seas 13 ft. Rain.
.WED...S wind 35 kt. Seas 14 ft.
.WED NIGHT...W wind 35 kt. Seas 16 ft.

Kuskokwim Delta and Etolin Strait-

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

.TODAY...W wind 15 kt early becoming SE wind 20 kt. Seas 8 ft.
.TONIGHT...SE wind 30 kt. Seas 8 ft. Snow.
.WED...S wind 25 kt. Seas 9 ft.
.WED NIGHT...SW wind 30 kt. Seas 10 ft.

North and West of Nunivak Island-

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

.TODAY...S wind 25 kt. Seas in ice free waters 11 ft.
.TONIGHT...SE wind 25 kt. Seas in ice free waters 8 ft. Snow with
rain after midnight.
.WED...S wind 30 kt. Seas in ice free waters 8 ft. Freezing spray.
.WED NIGHT...SW wind 30 kt. Seas in ice free waters 10 ft.

Saint Matthew Island Waters-

...GALE WARNING TODAY...

.TODAY...E of Saint Matthew Island, S wind 30 kt. W of Saint
Matthew Island, SW wind 40 kt becoming S 30 kt in the afternoon.
Seas 28 ft subsiding to 21 ft in the afternoon.
.TONIGHT...SE wind 25 kt. Seas 15 ft. Snow and rain.
.WED...S wind 30 kt. Seas 10 ft.
.WED NIGHT...W wind 30 kt. Seas 12 ft.

$$



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