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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 44 °F
NNW 15kt
4ft
Tonight
Low: 40 °F
NNW 15kt
3ft
Sunday
High: 45 °F
WNW 10kt
3ft
Sunday Night
Low: 41 °F
NW 10kt
2-3ft
Monday
High: 45 °F
NW 10kt
3ft
Monday Night
Low: 42 °F
NNW 10kt
3ft
Tuesday
High: 45 °F
NW 10kt
3ft
Tuesday Night
Low: 41 °F
NNW 10kt
2ft
Wednesday
High: 45 °F
N 10kt
2-3ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:43 am AKDT Jun 6, 2026
Forecast Valid: 12pm AKDT Jun 6, 2026-6pm AKDT Jun 12, 2026

View Nearby Observations

Detailed Forecast

Synopsis: A 1001 mb North Pacific low 140 nm SE of Sand Point moves into the Gulf Sat afternoon. A series of weak Gulf of Anadyr lows develop and move into the north-central Bering through Mon morning.

This Afternoon

NNW wind 10 to 15 kt. Mostly sunny. Seas around 4 ft.

Tonight

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

Sunday

WNW wind around 10 kt. Partly sunny. Seas around 3 ft.

Sunday Night

NW wind 5 to 10 kt. Mostly cloudy. Seas 2 to 3 ft.

Monday

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

Monday Night

NNW wind around 10 kt, with gusts as high as 20 kt. Mostly cloudy. Seas around 3 ft.

Tuesday

NW wind around 10 kt. Partly sunny. Seas around 3 ft.

Tuesday Night

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

Wednesday

N wind 5 to 10 kt. Mostly cloudy. Seas 2 to 3 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.