For More Weather Information:

Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]

Tonight
Low: 41 °F
N 15kt
3-4ft
Saturday
High: 44 °F
N 15kt
3-4ft
Saturday Night
Low: 40 °F
N 10kt
3ft
Sunday
High: 45 °F
Light Wind
2ft
Sunday Night
Low: 41 °F
N 10kt
2ft
Monday
High: 45 °F
N 10kt
2ft
Monday Night
Low: 42 °F
N 15kt
3-5ft
Tuesday
High: 45 °F
N 15kt
4ft
Tuesday Night
Low: 41 °F
N 10kt
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: 1:48 pm AKDT Jun 5, 2026
Forecast Valid: 8pm AKDT Jun 5, 2026-6pm AKDT Jun 12, 2026

View Nearby Observations

Detailed Forecast

Synopsis: A 1009 mb North Pacific low 210 nm SE of Adak moves to 170 nm SE of Cold Bay at 1002 mb by Sat morning before exiting into the Gulf through Sat afternoon.

Tonight

N wind around 15 kt. Partly cloudy. Seas 3 to 4 ft.

Saturday

N wind 10 to 15 kt. Sunny. Seas 3 to 4 ft.

Saturday Night

N wind 5 to 10 kt. Mostly cloudy. Seas around 3 ft.

Sunday

Variable winds 5 kt or less. Partly sunny. Seas around 2 ft.

Sunday Night

N wind 5 to 10 kt. Mostly cloudy. Seas around 2 ft.

Monday

N wind around 10 kt. Mostly cloudy. Seas around 2 ft.

Monday Night

N wind 10 to 15 kt. Mostly cloudy. Seas 3 to 5 ft.

Tuesday

N wind 10 to 15 kt. Partly sunny. Seas around 4 ft.

Tuesday Night

N wind around 10 kt. Mostly 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.