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Anchorage, AK Local Forecast Office

Unalaska AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 45 °F
SSE 20kt
3ft
Tonight
Low: 41 °F
ENE 25kt
3-4ft
Wednesday
High: 44 °F
N 15kt
3-5ft
Wednesday Night
Low: 40 °F
N 10kt
3ft
Thursday
High: 43 °F
N 10kt
3ft
Thursday Night
Low: 39 °F
Light Wind
2-3ft
Friday
High: 42 °F
Light Wind
2ft
Friday Night
Low: 34 °F
NNW 10kt
2-3ft
Saturday
High: 40 °F
NNW 15kt
3-5ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:42 pm AKST Dec 2, 2025
Forecast Valid: 5pm AKST Dec 2, 2025-6pm AKST Dec 9, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY TONIGHT...

Synopsis: A 970 mb low roughly 110 nm NW of Unalaska tracks immediately west of Nikolski and into the N Pacific early Wed morning, moving to 110 nm S of Unalaska at 985 mb by late Wednesday morning. The low moves to 200 nm SE of Unalaska at 1004 mb Thu afternoon. Further west a front moves over Shemya Thu afternoon.

This Afternoon

SSE wind around 20 kt. Rain. Seas around 3 ft.

Tonight

SE wind 20 to 25 kt becoming ENE after midnight. Rain. Seas 3 to 4 ft.

Wednesday

N wind 10 to 15 kt. Rain. Seas 3 to 5 ft.

Wednesday Night

N wind 5 to 10 kt. Rain likely. Seas around 3 ft.

Thursday

N wind around 10 kt becoming NE in the afternoon. Rain likely. Seas around 3 ft.

Thursday Night

Variable winds 5 kt or less. Rain likely. Seas 2 to 3 ft.

Friday

Variable winds 5 kt or less. A chance of showers. Seas around 2 ft.

Friday Night

E wind 5 to 10 kt becoming NNW after midnight. Scattered rain before 3am, then a chance of rain and snow. Seas 2 to 3 ft.

Saturday

NNW wind 10 to 15 kt. A chance of rain and snow. Seas 3 to 5 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.