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Anchorage, AK Local Forecast Office

30NM ESE Amchitka AK

Marine Point Forecast

[NOTICE]

Sunday
High: 38 °F
NNE 30kt
14ft

Small Craft Advisory
Sunday Night
Low: 37 °F
N 25kt
8-10ft

Small Craft Advisory
Monday
High: 37 °F
N 30kt
8ft
Monday Night
Low: 35 °F
N 20kt⇓
4-5ft
Tuesday
High: 38 °F
N 10kt
3-5ft
Tuesday Night
Low: 36 °F
NNW 10kt⇓
3ft
Wednesday
High: 39 °F
⇑ESE 20kt
2-3ft
Wednesday Night
Low: 37 °F
ESE 25kt
6ft
Thursday
High: 41 °F
ESE 25kt
9ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:51 pm AKST Dec 6, 2025
Forecast Valid: 2am AKST Dec 7, 2025-6pm AKST Dec 13, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

Synopsis: Strong offshore winds continue in the Eastern Bering due to a 972 mb in the Gulf and high pressure over Northern Alaska and the Bering Strait. A 986 mb low 400 nm S of Adak strengthens to 975 mb as it moves to 290 nm S of Atka for Sun morning. It continues to 540 nm S of Cold Bay at 983 mb by Mon afternoon.

Sunday

NNE wind 25 to 30 kt. A slight chance of rain and snow showers before 3pm, then scattered snow showers. Seas 11 ft building to 14 ft.

Sunday Night

N wind around 25 kt, with gusts as high as 30 kt. Snow showers likely, mainly after 3am. Seas 8 to 10 ft.

Monday

N wind 20 to 30 kt. Rain and snow showers likely before noon, then scattered snow showers. Seas 8 ft subsiding to 5 ft.

Monday Night

N wind 15 to 20 kt decreasing to 10 to 15 kt after midnight. Mostly cloudy. Seas 4 to 5 ft.

Tuesday

N wind 5 to 10 kt. Partly sunny. Seas 3 to 5 ft.

Tuesday Night

NNW wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Mostly cloudy. Seas around 3 ft.

Wednesday

Variable winds less than 5 kt becoming ESE 15 to 20 kt in the morning. Cloudy. Seas 2 to 3 ft.

Wednesday Night

ESE wind 20 to 25 kt. Cloudy. Seas 2 ft building to 6 ft.

Thursday

ESE wind 20 to 25 kt. Mostly cloudy. Seas 6 ft building to 9 ft.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.