For More Weather Information:

Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]

Tonight
Low: 28 °F
Light Wind
4-6ft
Friday
High: 33 °F
SSE 10kt
4ft
Friday Night
Low: 32 °F
ENE 20kt
5-7ft
Saturday
High: 34 °F
NE 30kt
8-9ft
Saturday Night
Low: 31 °F
NE 30kt
8-9ft
Sunday
High: 36 °F
NNE 25kt
9-10ft
Sunday Night
Low: 32 °F
N 25kt
10ft
Monday
High: 37 °F
N 20kt
6-7ft
Monday Night
Low: 34 °F
NNW 20kt
6ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 1:42 pm AKST Jan 29, 2026
Forecast Valid: 8pm AKST Jan 29, 2026-6pm AKST Feb 5, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY FRIDAY AND FRIDAY NIGHT...

Synopsis: A 986 mb low 315 nm N of Shemya weakens and moves to the Kamchatka Peninsula by Fri afternoon. A front moves through the Western Aleutians Fri afternoon. A 971 mb North Pacific low moves to 420 nm S Adak Sat afternoon.

Tonight

Variable winds 5 kt or less. Mostly clear. Seas 4 to 6 ft.

Friday

SSE wind 5 to 10 kt. Sunny. Seas around 4 ft.

Friday Night

ENE wind 10 to 20 kt. Mostly cloudy. Seas 5 to 7 ft.

Saturday

NE wind 20 to 30 kt. Partly sunny. Seas 8 to 9 ft.

Saturday Night

NE wind 25 to 30 kt. A chance of snow showers after midnight. Seas 8 to 9 ft.

Sunday

NNE wind around 25 kt. A chance of snow showers before noon. Seas 9 to 10 ft.

Sunday Night

N wind 20 to 25 kt. A chance of rain and snow after 9pm. Seas 10 ft subsiding to 7 ft.

Monday

N wind around 20 kt. A chance of rain and snow before 3pm, then a chance of rain. Seas 6 to 7 ft.

Monday Night

NNW wind around 20 kt. A chance of rain before 9pm, then a chance of rain and snow. Seas around 6 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.