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Anchorage, AK Local Forecast Office

Unalaska AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 44 °F
N 10kt
3ft
Tonight
Low: 39 °F
N 15kt
5ft
Thursday
High: 43 °F
N 15kt
3-5ft
Thursday Night
Low: 38 °F
NE 10kt
3ft
Friday
High: 42 °F
Light Wind
2ft
Friday Night
Low: 33 °F
N 15kt
3-5ft
Saturday
High: 39 °F
NNW 25kt
10ft
Saturday Night
Low: 24 °F
NNW 25kt
10ft
Sunday
High: 30 °F
N 25kt
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

...SMALL CRAFT ADVISORY 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 around 10 kt. Showers. Seas around 3 ft.

Tonight

N wind around 15 kt. Showers. Seas around 5 ft.

Thursday

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

Thursday Night

NE wind 5 to 10 kt. Showers. Seas around 3 ft.

Friday

Variable winds 5 kt or less. Showers likely, mainly before 9am. Seas around 2 ft.

Friday Night

N wind 5 to 15 kt. A chance of rain showers before 9pm, then a chance of rain and snow showers between 9pm and 3am, then a chance of snow showers after 3am. Seas 3 to 5 ft.

Saturday

NNW wind 15 to 25 kt. A chance of snow before 9am, then a chance of rain between 9am and 3pm, then a chance of rain and snow after 3pm. Seas 5 ft building to 10 ft.

Saturday Night

NNW wind around 25 kt. A chance of rain and snow before 9pm, then a chance of snow. Seas around 10 ft.

Sunday

N wind 20 to 25 kt. Snow likely. Seas 10 ft subsiding to 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.