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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]

Today
High: 47 °F
NW 20kt
4ft
Tonight
Low: 42 °F
W 15kt
3-4ft
Friday
High: 46 °F
NW 10kt
2-3ft
Friday Night
Low: 42 °F
E 10kt
2-3ft
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
Monday
High: 46 °F
SW 15kt
4ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:55 am AKDT Jul 2, 2026
Forecast Valid: 10am AKDT Jul 2, 2026-6pm AKDT Jul 8, 2026

View Nearby Observations

Detailed Forecast

Synopsis: A 1008 mb low 30 nm W of Cape Newenham moves inland by Thu afternoon. A 1009 mb low 110 nm SW of Gambell moves to 110 nm SW of Hooper Bay at 1007 mb by Thu afternoon. It moves inland near Toksook Bay by Fri morning. A 1003 mb North Pacific low moves to 200 nm SW of Kiska by Sat morning.

Today

NW wind 15 to 20 kt. Cloudy. Seas around 4 ft.

Tonight

W wind 10 to 15 kt. Cloudy. Seas 3 to 4 ft.

Friday

NW wind 5 to 10 kt. Cloudy. Seas 2 to 3 ft.

Friday Night

NNE wind 5 to 10 kt becoming E after midnight. Cloudy. Seas 2 to 3 ft.

Independence Day

E wind 15 to 20 kt. A chance of rain after 7am. Seas 3 to 4 ft.

Saturday Night

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

Sunday

E wind 20 to 25 kt. Showers likely, mainly after 10am. Seas around 6 ft.

Sunday Night

SE wind 15 to 20 kt. Showers likely. Seas around 5 ft.

Monday

SW wind around 15 kt. Showers likely. Seas around 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.