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Anchorage, AK Local Forecast Office

44NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 41 °F
NE 15kt
6ft
Tonight
Low: 33 °F
⇑NE 30kt
12ft

Small Craft Advisory
Sunday
High: 35 °F
NNE 30kt
16ft

Small Craft Advisory
Sunday Night
Low: 32 °F
NNE 30kt
16-17ft

Small Craft Advisory
Monday
High: 35 °F
N 25kt
11-12ft
Monday Night
Low: 35 °F
N 25kt
11ft
Tuesday
High: 37 °F
N 15kt
5-6ft
Tuesday Night
Low: 36 °F
NW 15kt
4-6ft
Wednesday
High: 39 °F
NW 15kt
3-4ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:13 pm AKST Dec 6, 2025
Forecast Valid: 4pm AKST Dec 6, 2025-6pm AKST Dec 12, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

Synopsis: Strong offshore winds continue in the Eastern Bering due to a 972 mb in the Gulf and high pressure over Northern Alaska and the Bering Strait. A 986 mb low 400 nm S of Adak strengthens to 975 mb as it moves to 290 nm S of Atka for Sun morning. It continues to 540 nm S of Cold Bay at 983 mb by Mon afternoon.

This Afternoon

NE wind around 15 kt. Partly sunny. Seas around 6 ft.

Tonight

NE wind 15 to 20 kt increasing to 25 to 30 kt after midnight. Mostly cloudy. Seas 6 ft building to 12 ft.

Sunday

NNE wind around 30 kt, with gusts as high as 40 kt. Snow showers likely, mainly after 3pm. Seas 13 ft building to 16 ft.

Sunday Night

NNE wind 20 to 30 kt, with gusts as high as 40 kt. Snow showers likely, mainly before 3am. Seas 16 to 17 ft.

Monday

N wind around 25 kt. Scattered snow showers before 9am. Seas 11 to 12 ft.

Monday Night

N wind 15 to 25 kt. Mostly cloudy. Seas 11 ft subsiding to 6 ft.

Tuesday

N wind 10 to 15 kt. Partly sunny. Seas 5 to 6 ft.

Tuesday Night

NW wind 10 to 15 kt. Mostly cloudy. Seas 4 to 6 ft.

Wednesday

NW wind 10 to 15 kt becoming ENE in the afternoon. Cloudy. Seas 3 to 4 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.