Offshore Forecast
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OFFN13


Coastal Waters Forecast
National Weather Service Anchorage Alaska
400 AM AKDT Tue May 22 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-

.TODAY...NW wind 15 kt. Seas 7 ft.
.TONIGHT...Variable wind 10 kt. Seas 5 ft.
.WED...SE wind 15 kt. Seas 4 ft.
.WED NIGHT...SE wind 15 kt. Seas 4 ft.
.THU...Variable wind 10 kt. Seas 6 ft.

South of the AK Peninsula Castle Cape to Cape Sarichef-

.TODAY...NW wind 20 kt. Seas 8 ft.
.TONIGHT...S wind 20 kt except S 15 kt from the Shumagin Islands
E. Seas 5 ft. Rain.
.WED...S wind 20 kt. Seas 6 ft. Rain.
.WED NIGHT...SW wind 15 kt. Seas 7 ft.
.THU...S wind 15 kt. Seas 8 ft.

Bristol Bay-

...SMALL CRAFT ADVISORY WEDNESDAY...

.TODAY...W wind 15 kt. Seas 5 ft.
.TONIGHT...SW wind 10 kt becoming SE 20 kt after midnight.
Seas 3 ft.
.WED...SE wind 25 kt. Seas 4 ft.
.WED NIGHT...SE wind 20 kt. Seas 3 ft.
.THU...E wind 15 kt. Seas 4 ft.

Port Heiden to Cape Sarichef-

.TODAY...W wind 20 kt. Seas 6 ft.
.TONIGHT...SE wind 20 kt. From Port Moller E, variable wind 10 kt
becoming SE 20 kt after midnight. Seas 4 ft. Rain.
.WED...S wind 20 kt. Seas 4 ft. Rain.
.WED NIGHT...S wind 15 kt. Seas 5 ft.
.THU...Variable wind 10 kt. Seas 6 ft.

Cape Sarichef to Nikolski Bering Side-

.TODAY...S wind 20 kt. Seas 5 ft. Rain.
.TONIGHT...S wind 20 kt. Seas 5 ft.
.WED...SW wind 20 kt. Seas 7 ft.
.WED NIGHT...S wind 20 kt. Seas 8 ft.
.THU...SE wind 15 kt. Seas 8 ft.

Unalaska Bay-

.TODAY...S wind to 10 kt increasing to 15 kt in the afternoon.
Seas 2 ft. Rain.
.TONIGHT...S wind 15 kt. Seas 2 ft.
.WED...SW wind 10 kt. Seas 2 ft. Rain showers.
.WED NIGHT...SW wind 10 kt. Seas 2 ft.
.THU...SE wind 10 kt. Seas 3 ft.

Cape Sarichef to Nikolski Pacific Side-

...SMALL CRAFT ADVISORY WEDNESDAY...

.TODAY...SW wind 20 kt. Seas 5 ft. Rain.
.TONIGHT...SW wind 20 kt. Seas 7 ft.
.WED...SW wind 25 kt. Seas 10 ft.
.WED NIGHT...SW wind 20 kt. Seas 11 ft.
.THU...SW wind 15 kt. Seas 11 ft.

Nikolski to Seguam Island Bering Side-

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

.TODAY...S wind 25 kt. Seas 6 ft.
.TONIGHT...SW wind 25 kt. Seas 7 ft. Rain showers.
.WED...SW wind 25 kt. Seas 10 ft. Rain showers.
.WED NIGHT...SW wind 25 kt. Seas 11 ft.
.THU...W wind 15 kt. Seas 8 ft.

Nikolski to Seguam Island Pacific Side-

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

.TODAY...S wind 25 kt. Seas 7 ft.
.TONIGHT...SW wind 30 kt. Seas 11 ft. Rain showers.
.WED...SW wind 30 kt. Seas 15 ft. Rain showers.
.WED NIGHT...SW wind 25 kt. Seas 15 ft.
.THU...W wind 20 kt. Seas 13 ft.

Seguam Island to Adak Bering Side-

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

.TODAY...SW wind increasing to 25 kt. Seas 6 ft.
.TONIGHT...SW wind 30 kt. Seas 9 ft. Rain.
.WED...SW wind 30 kt. Seas 13 ft. Rain showers.
.WED NIGHT...W wind 25 kt. Seas 11 ft.
.THU...NW wind 20 kt. Seas 6 ft.

Seguam Island to Adak Pacific Side-

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

.TODAY...SW wind increasing to 30 kt. Seas 10 ft.
.TONIGHT...SW wind 30 kt. Seas 12 ft building to 17 ft after
midnight. Rain.
.WED...SW wind 30 kt. Seas 19 ft. Rain.
.WED NIGHT...W wind 30 kt. Seas 16 ft.
.THU...NW wind 20 kt. Seas 12 ft.

Adak to Kiska-

...GALE WARNING TONIGHT...

.TODAY...SW wind 30 kt. Seas 13 ft. Rain.
.TONIGHT...SW wind 35 kt. Seas 14 ft Bering side...22 ft Pacific
side. Widespread rain showers.
.WED...W wind 30 kt. Seas 20 ft. Widespread rain showers.
.WED NIGHT...W wind 25 kt. Seas 14 ft.
.THU...NW wind 20 kt. Seas 10 ft.

Kiska to Attu-

...GALE WARNING THROUGH TONIGHT...

.TODAY...SW wind increasing to 35 kt. Seas building to 18 ft.
Widespread rain showers.
.TONIGHT...W wind 35 kt. Seas 19 ft. Rain.
.WED...NW wind 30 kt. Seas 16 ft.
.WED NIGHT...NW wind 20 kt. Seas 10 ft.
.THU...N wind 20 kt. Seas 8 ft.

Pribilof Islands Near Shore Waters-

.TODAY...SE wind 10 kt early becoming 20 kt. Seas 4 ft.
.TONIGHT...SE wind 20 kt. Seas 6 ft. Rain.
.WED...S wind 15 kt. Seas 6 ft. Rain.
.WED NIGHT...SE wind 15 kt. Seas 8 ft.
.THU...E wind 15 kt. Seas 8 ft.

Kuskokwim Delta and Etolin Strait-

...SMALL CRAFT ADVISORY WEDNESDAY...

.TODAY...NW wind 20 kt diminishing to 10 kt in the afternoon.
Seas 5 ft. Patchy fog.
.TONIGHT...SW wind 10 kt becoming SE 20 kt after midnight.
Seas 3 ft.
.WED...SE wind 25 kt. Seas 6 ft.
.WED NIGHT...SE wind 20 kt. Seas 5 ft.
.THU...E wind 15 kt. Seas 5 ft.

North and West of Nunivak Island-

.TODAY...N wind 15 kt. Seas 4 ft. Patchy fog.
.TONIGHT...E wind 20 kt. Seas 3 ft.
.WED...E wind 20 kt. Seas 6 ft.
.WED NIGHT...E wind 20 kt. Seas 6 ft.
.THU...N wind 20 kt. Seas 6 ft.

Saint Matthew Island Waters-

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

.TODAY...E wind 15 kt E of Saint Matthew Island...E 25 kt W of
Saint Matthew Island. Seas 5 ft.
.TONIGHT...E wind 25 kt. Seas 8 ft.
.WED...E wind 25 kt. Seas 9 ft.
.WED NIGHT...E wind 25 kt. Seas 9 ft.
.THU...NE wind 20 kt. Seas 8 ft.

$$



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