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Anchorage, AK Local Forecast Office

30NM ESE Amchitka AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 38 °F
N 35kt
9-10ft

Small Craft Advisory
Tonight
Low: 37 °F
N 25kt
6-8ft

Small Craft Advisory
Thursday
High: 39 °F
NE 15kt
3-5ft
Thursday Night
Low: 37 °F
SE 20kt
3-4ft
Friday
High: 40 °F
ESE 20kt⇓
12ft
Friday Night
Low: 38 °F
WNW 20kt
12ft
Saturday
High: 40 °F
⇑E 15kt
8-9ft
Saturday Night
Low: 36 °F
NE 20kt
7-8ft
Sunday
High: 38 °F
NNE 25kt
8-10ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:26 am AKST Dec 3, 2025
Forecast Valid: 12pm AKST Dec 3, 2025-6pm AKST Dec 9, 2025

View Nearby Observations

Detailed Forecast

...GALE WARNING TODAY...

Synopsis: A 980 mb low 80 nm S of Unalaska rotates to 100 nm S of Cold Bay at 1001 mb by Thu morning, then reverses course to 50 nm S of Unalaska and dissipates by Fri morning. The front of a Kamchatka low moves over Shemya Friday morning.

This Afternoon

N wind 30 to 35 kt. Mostly cloudy. Seas 9 to 10 ft.

Tonight

N wind 15 to 25 kt. Mostly cloudy. Seas 6 to 8 ft.

Thursday

NE wind 10 to 15 kt becoming E in the afternoon. Partly sunny. Seas 3 to 5 ft.

Thursday Night

SE wind 15 to 20 kt. A chance of showers after 3am. Seas 3 to 4 ft.

Friday

ESE wind 15 to 20 kt decreasing to 5 to 10 kt in the afternoon. Showers, mainly before 3pm. Seas 6 ft building to 12 ft.

Friday Night

N wind 10 to 20 kt becoming WNW after midnight. A chance of showers before midnight. Seas 12 ft subsiding to 9 ft.

Saturday

N wind 5 to 10 kt becoming E 10 to 15 kt in the afternoon. Winds could gust as high as 20 kt. A chance of rain after 9am. Seas 8 to 9 ft.

Saturday Night

E wind 15 to 20 kt becoming NE after midnight. Rain likely. Seas 7 to 8 ft.

Sunday

NNE wind 20 to 25 kt. Rain. Seas 8 to 10 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.