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Anchorage, AK Local Forecast Office

45NM SSE Seguam Island AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 51 °F
WSW 10kt
4ft
Tonight
Low: 49 °F
SW 20kt
4ft
Sunday
High: 54 °F
SW 25kt
4-5ft

Small Craft Advisory
Sunday Night
Low: 52 °F
SW 30kt
8-10ft

Small Craft Advisory
Monday
High: 54 °F
WSW 25kt
9-10ft
Monday Night
Low: 49 °F
W 15kt
7-8ft
Tuesday
High: 51 °F
W 10kt
6ft
Tuesday Night
Low: 49 °F
WSW 10kt
5-6ft
Wednesday
High: 52 °F
SW 10kt
5ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 1:12 pm AKDT Aug 1, 2026
Forecast Valid: 5pm AKDT Aug 1, 2026-6pm AKDT Aug 8, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

Synopsis: A 1013 mb low 170 nm S of Chignik moves south to the North Pacific by Sun afternoon. A 998 mb low 230 nm N of Attu moves to 170 nm SW of Gambell at 988 mb by Sun afternoon and continues over St. Lawrence Island at 989 mb by Mon afternoon. Its front spreads over the Bering through Mon afternoon.

This Afternoon

WSW wind around 10 kt. Cloudy. Seas around 4 ft.

Tonight

SW wind 10 to 20 kt. A chance of rain after 4am. Seas around 4 ft.

Sunday

SW wind 20 to 25 kt. A chance of rain, mainly before 7am. Seas 4 to 5 ft.

Sunday Night

SW wind 25 to 30 kt. A chance of rain after 10pm. Seas 8 to 10 ft.

Monday

WSW wind 15 to 25 kt. Rain likely, mainly before 1pm. Seas 9 to 10 ft.

Monday Night

W wind 10 to 15 kt. A chance of rain before 10pm. Seas 7 to 8 ft.

Tuesday

W wind around 10 kt. Cloudy. Seas around 6 ft.

Tuesday Night

WSW wind around 10 kt. Mostly cloudy. Seas 5 to 6 ft.

Wednesday

SW wind around 10 kt. A chance of showers. 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.