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. .TONIGHT...W wind 40 kt. Seas 17 ft. .SAT...W wind 30 kt. Seas 13 ft. .SAT NIGHT...W wind 20 kt. Seas 9 ft. .SUN AND SUN NIGHT...W wind 20 kt. Seas 7 ft. .MON...W wind 20 kt. Seas 6 ft. .TUE...SW wind 20 kt. Seas 5 ft. .WED...E wind 25 kt. Seas 6 ft.
Weather in Atka, AK
Updated 2026-09-26 08:30 local time · ZIP codes 99547

Clear
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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. .TODAY...W wind 30 kt. Seas 13 ft. .TONIGHT...W wind 25 kt diminishing to 15 kt after midnight. Seas 8 ft. .SUN...NW wind 20 kt. Seas 5 ft. .SUN NIGHT...W wind 20 kt. Seas 6 ft. .MON...W wind 15 kt. Seas 5 ft. .TUE...SW wind 15 kt. Seas 4 ft. .WED...S wind 25 kt. Seas 8 ft.
Next hours
43°13% rain
43°14% rain
44°13% rain
45°12% rain
45°11% rain
45°11% rain
46°10% rain
46°10% rain
46°10% rain
46°20% rain
45°12% rain
45°10% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 20%).
It feels like 34°F with winds near 24 mph.
45°F, 9% rain chance and 15 mph wind.
Visibility is around 6 mi; gusts may reach 32 mph.
Current temperature is 43°F, wind 24 mph, rain chance up to 20%.
UV index is 0.
Local weather characteristics in Atka
Alaska spans Arctic, subarctic and maritime climates, so temperatures and precipitation can differ sharply between the coast, interior and far north.
Atka is part of the West weather region. The forecast point is near 52.20°N latitude and 174.20°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Atka weather today
Clear and 43°F in Atka, AK. Today's high is 46°F with a 15% rain chance. Winds are around 24 mph with gusts near 32 mph. Relative humidity is 90%, pressure is 29.63 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Atka
Sunrise is at 08:29 AM and sunset is at 08:26 PM. Tomorrow's forecast calls for Sunny with a high near 46°F and a low near 43°F. The maximum rain chance is 30%.