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Anchorage, AK Local Forecast Office

30NM ESE Amchitka AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 39 °F
E 15kt
3-4ft
Tonight
Low: 38 °F
SE 20kt
3-4ft
Friday
High: 40 °F
ESE 15kt⇓
11ft

Small Craft Advisory
Friday Night
Low: 38 °F
NW 20kt
10-12ft
Saturday
High: 40 °F
E 15kt
9-11ft
Saturday Night
Low: 37 °F
ENE 25kt
7-9ft
Sunday
High: 39 °F
NNE 25kt
9-10ft
Sunday Night
Low: 34 °F
N 25kt
7-9ft
Monday
High: 37 °F
N 25kt
7ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:52 am AKST Dec 4, 2025
Forecast Valid: 2pm AKST Dec 4, 2025-6pm AKST Dec 10, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

Synopsis: A 990 mb low 140 nm S of Cold Bay slowly dissipates through Fri morning. A broad front overspreads the Western Bering Thu afternoon with a 1001 mb low developing 250 nm SW of Adak Fri afternoon, then continuing SE into the North Pacific by Sat morning.

This Afternoon

E wind 10 to 15 kt. Mostly sunny. Seas 3 to 4 ft.

Tonight

SE wind 15 to 20 kt. Showers likely, mainly after 3am. Seas 3 to 4 ft.

Friday

ESE wind 10 to 15 kt becoming NNW 5 to 10 kt. Winds could gust as high as 20 kt. Rain before noon, then showers likely, mainly between noon and 3pm. Seas 6 ft building to 11 ft.

Friday Night

NW wind 10 to 20 kt, with gusts as high as 30 kt. Mostly cloudy. Seas 10 to 12 ft.

Saturday

NNW wind 5 to 15 kt becoming E in the afternoon. Mostly cloudy. Seas 9 to 11 ft.

Saturday Night

ENE wind 15 to 25 kt. A chance of rain after 9pm. Seas 7 to 9 ft.

Sunday

NNE wind around 25 kt. Rain likely, mainly after 3pm. Seas 9 to 10 ft.

Sunday Night

N wind around 25 kt. Rain. Seas 7 to 9 ft.

Monday

N wind 20 to 25 kt. Rain. Seas around 7 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.