For More Weather Information:

Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]

Tonight
Low: 42 °F
W 20kt
5ft
Thursday
High: 45 °F
NW 15kt
4-5ft
Thursday Night
Low: 42 °F
W 15kt
4ft
Friday
High: 45 °F
NW 15kt
3ft
Friday Night
Low: 42 °F
E 10kt
3ft
Independence Day
High: 45 °F
E 20kt
3-4ft
Saturday Night
Low: 43 °F
E 25kt
4-6ft
Sunday
High: 46 °F
E 25kt
6ft
Sunday Night
Low: 43 °F
SE 20kt
5ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:12 pm AKDT Jul 1, 2026
Forecast Valid: 10pm AKDT Jul 1, 2026-6pm AKDT Jul 8, 2026

View Nearby Observations

Detailed Forecast

Synopsis: A 1006 mb low 70 nm N of Saint Paul Island moves inland Wednesday night. A 1005 mb low Thu morning 110 nm SW of Saint Lawrence Island before moving 120 nm W of Hooper Bay at 1007 mb Thu afternoon then moves inland.

Tonight

W wind around 20 kt. Cloudy. Seas around 5 ft.

Thursday

NW wind around 15 kt. Partly sunny. Seas 4 to 5 ft.

Thursday Night

W wind 10 to 15 kt. Mostly cloudy. Seas around 4 ft.

Friday

NW wind 10 to 15 kt. Mostly cloudy. Seas around 3 ft.

Friday Night

N wind 5 to 10 kt becoming E after midnight. Mostly cloudy. Seas around 3 ft.

Independence Day

E wind 15 to 20 kt. Rain likely, mainly after 4pm. Seas 3 to 4 ft.

Saturday Night

E wind around 25 kt, with gusts as high as 30 kt. Showers likely, mainly before 10pm. Seas 4 to 6 ft.

Sunday

E wind 20 to 25 kt. Showers likely. Seas around 6 ft.

Sunday Night

SE wind 15 to 20 kt. Showers likely. Seas around 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.