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Anchorage, AK Local Forecast Office

34NM ESE Seguam Island AK

Marine Point Forecast

[NOTICE]

Tonight
Low: 32 °F
NE 25kt
11-13ft

Small Craft Advisory
Monday
High: 36 °F
NNE 20kt
10-12ft

Small Craft Advisory
Monday Night
Low: 36 °F
N 20kt
7-9ft

Small Craft Advisory
Tuesday
High: 38 °F
N 20kt
7-8ft
Tuesday Night
Low: 37 °F
NNW 15kt
5-6ft
Wednesday
High: 39 °F
N 15kt
4-5ft
Wednesday Night
Low: 36 °F
NNE 20kt
4ft
Thursday
High: 40 °F
NE 15kt
4ft
Thursday Night
Low: 38 °F
NNE 15kt
4-5ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:35 pm AKST Dec 7, 2025
Forecast Valid: 8pm AKST Dec 7, 2025-6pm AKST Dec 14, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH MONDAY NIGHT...

Synopsis: Strong offshore winds continue in the Eastern Bering due to a 975 mb in the Gulf and high pressure over Northern Alaska and the Bering Strait. A 977 mb low 350 nm S of Atka continues to 520 nm S of Cold Bay at 985 mb Tuesday morning.

Tonight

NE wind 20 to 25 kt, with gusts as high as 35 kt. Snow showers likely, mainly before 9pm. Seas 11 to 13 ft.

Monday

NNE wind around 20 kt, with gusts as high as 30 kt. A slight chance of snow showers before 3pm. Seas 10 to 12 ft.

Monday Night

N wind 15 to 20 kt, with gusts as high as 30 kt. Mostly cloudy. Seas 7 to 9 ft.

Tuesday

N wind 15 to 20 kt. Partly sunny. Seas 7 to 8 ft.

Tuesday Night

NNW wind around 15 kt. Mostly cloudy. Seas 5 to 6 ft.

Wednesday

N wind 10 to 15 kt. Partly sunny. Seas 4 to 5 ft.

Wednesday Night

NNE wind 10 to 20 kt. Mostly cloudy. Seas around 4 ft.

Thursday

NE wind around 15 kt. Partly sunny. Seas around 4 ft.

Thursday Night

NNE wind around 15 kt. Mostly cloudy. Seas 4 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.