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Anchorage, AK Local Forecast Office

44NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]

Friday
High: 41 °F
ENE 10kt
6-7ft
Friday Night
Low: 38 °F
N 15kt
6ft
Saturday
High: 41 °F
N 15kt
6ft
Saturday Night
Low: 39 °F
⇑NNE 25kt
10ft
Sunday
High: 36 °F
N 35kt
16ft
Sunday Night
Low: 33 °F
NNE 30kt⇓
22ft
Monday
High: 37 °F
NNE 25kt
9ft
Monday Night
Low: 32 °F
N 25kt
9-11ft
Tuesday
High: 39 °F
N 20kt
11ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:46 pm AKST Dec 4, 2025
Forecast Valid: 2am AKST Dec 5, 2025-6pm AKST Dec 11, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY TONIGHT...

Synopsis: A 1004 mb low near 51N 163W dissipates over the Alaska Peninsula Fri morning. A stalled front over the Western Aleutians Thu night transitions into a 1000 mb low near 49N 177W Fri morning. The low tracks well south of the Aleutians through Sat morning.

Friday

ENE wind 5 to 10 kt becoming N in the afternoon. Scattered showers. Seas 6 to 7 ft.

Friday Night

N wind 10 to 15 kt. Scattered showers, mainly before midnight. Seas around 6 ft.

Saturday

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

Saturday Night

NNE wind 15 to 20 kt increasing to 20 to 25 kt after midnight. Winds could gust as high as 30 kt. Mostly cloudy. Seas 6 ft building to 10 ft.

Sunday

N wind 30 to 35 kt, with gusts as high as 40 kt. Snow showers likely, mainly after 3pm. Seas 12 ft building to 16 ft.

Sunday Night

NNE wind 25 to 30 kt decreasing to 20 to 25 kt after midnight. Winds could gust as high as 40 kt. Snow likely before 9pm, then rain and snow. Seas 22 ft subsiding to 9 ft.

Monday

NNE wind 20 to 25 kt, with gusts as high as 35 kt. Rain and snow. Seas around 9 ft.

Monday Night

N wind 20 to 25 kt. Rain and snow likely, becoming all rain after 3am. Seas 9 to 11 ft.

Tuesday

N wind 10 to 20 kt. Rain likely. Seas 11 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.