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Anchorage, AK Local Forecast Office

34NM ESE Seguam Island AK

Marine Point Forecast

[NOTICE]

Tonight
Low: 34 °F
⇑NE 30kt
9-11ft

Small Craft Advisory
Sunday
High: 36 °F
NNE 30kt
12-14ft

Small Craft Advisory
Sunday Night
Low: 32 °F
NNE 25kt
14-15ft

Small Craft Advisory
Monday
High: 36 °F
N 25kt
11ft
Monday Night
Low: 36 °F
N 25kt
11ft
Tuesday
High: 38 °F
N 20kt
5-6ft
Tuesday Night
Low: 37 °F
NNW 15kt
4-6ft
Wednesday
High: 39 °F
NW 15kt
3-4ft
Wednesday Night
Low: 36 °F
NNE 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: 3:13 pm AKST Dec 6, 2025
Forecast Valid: 7pm AKST Dec 6, 2025-6pm AKST Dec 13, 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.

Tonight

NE wind 20 to 25 kt increasing to 25 to 30 kt after midnight. Partly cloudy. Seas 9 to 11 ft.

Sunday

NNE wind 25 to 30 kt, with gusts as high as 40 kt. Snow showers likely, mainly after noon. Seas 12 to 14 ft.

Sunday Night

NNE wind 20 to 25 kt, with gusts as high as 35 kt. Snow showers likely, mainly before 3am. Seas 14 to 15 ft.

Monday

N wind 20 to 25 kt. Scattered snow showers before 9am. Seas around 11 ft.

Monday Night

N wind 20 to 25 kt, with gusts as high as 30 kt. Mostly cloudy. Seas 11 ft subsiding to 7 ft.

Tuesday

N wind 15 to 20 kt. Mostly sunny. Seas 5 to 6 ft.

Tuesday Night

NNW wind around 15 kt. Mostly cloudy. Seas 4 to 6 ft.

Wednesday

NW wind around 15 kt becoming NNE in the afternoon. Mostly cloudy. Seas 3 to 4 ft.

Wednesday Night

NNE wind 10 to 15 kt becoming SE after midnight. Cloudy. 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.