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Anchorage, AK Local Forecast Office

44NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]

Tonight
Low: 38 °F
N 35kt
23ft

Gale Warning
Thursday
High: 40 °F
NNE 25kt⇓
16ft

Small Craft Advisory
Thursday Night
Low: 38 °F
NNE 15kt
8-10ft

Small Craft Advisory
Friday
High: 41 °F
Light Wind
6-7ft
Friday Night
Low: 39 °F
N 10kt
5ft
Saturday
High: 41 °F
N 15kt
5-6ft
Saturday Night
Low: 32 °F
⇑ENE 30kt
9ft
Sunday
High: 36 °F
N 30kt
18ft
Sunday Night
Low: 29 °F
NNE 30kt
22ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:36 pm AKST Dec 3, 2025
Forecast Valid: 8pm AKST Dec 3, 2025-6pm AKST Dec 10, 2025

View Nearby Observations

Detailed Forecast

...GALE WARNING TONIGHT...

Synopsis: A 990 mb low roughly 90 nm S of Unalaska slowly weakens south of the Eastern Aleutians and dissipates through Fri morning. A broad front overspreads the Western Aleutians Thu afternoon with a developing 998 mb low 250 nm SE of Adak Fri afternoon.

Tonight

N wind 25 to 35 kt, with gusts as high as 40 kt. A chance of showers, mainly before midnight. Seas 23 ft subsiding to 18 ft.

Thursday

NNE wind 20 to 25 kt decreasing to 15 to 20 kt in the afternoon. Winds could gust as high as 30 kt. Isolated showers after 3pm. Seas 16 ft subsiding to 11 ft.

Thursday Night

NNE wind 5 to 15 kt. Scattered showers, mainly after midnight. Seas 8 to 10 ft.

Friday

Variable winds 5 kt or less. Scattered showers. Seas 6 to 7 ft.

Friday Night

N wind around 10 kt. Scattered showers before midnight. Seas around 5 ft.

Saturday

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

Saturday Night

ENE wind 15 to 20 kt increasing to 25 to 30 kt after midnight. A chance of rain after 9pm, mixing with snow after 3am. Seas 6 ft building to 9 ft.

Sunday

ENE wind around 30 kt becoming N in the morning. Rain and snow likely, mainly after 3pm. Seas 9 ft building to 18 ft.

Sunday Night

NNE wind around 30 kt. Rain and snow. Seas 22 ft subsiding to 9 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.