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Anchorage, AK Local Forecast Office

34NM NNW Seguam Island AK

Marine Point Forecast

[NOTICE]

Tonight
Low: 38 °F
S 30kt
8ft

Small Craft Advisory
Monday
High: 42 °F
S 25kt
7-8ft

Small Craft Advisory
Monday Night
Low: 37 °F
SSW 20kt
6ft
Tuesday
High: 38 °F
W 20kt
5-6ft
Tuesday Night
Low: 34 °F
WNW 15kt
7ft
Wednesday
High: 37 °F
⇑NNE 30kt
7ft
Wednesday Night
Low: 30 °F
ENE 35kt
7-8ft
Thursday
High: 34 °F
ENE 40kt
8-9ft
Thursday Night
Low: 31 °F
ENE 40kt⇓
14ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:37 pm AKST Feb 22, 2026
Forecast Valid: 6pm AKST Feb 22, 2026-6pm AKST Mar 1, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH MONDAY...

Synopsis: High pressure moves over the eastern Bering through Mon morning. A front moves across the western Bering and Aleutians through Mon morning then into the eastern Bering Tue morning.

Tonight

S wind 25 to 30 kt. A slight chance of showers between midnight and 3am, then a slight chance of rain after 3am. Seas around 8 ft.

Monday

S wind 20 to 25 kt. Isolated showers before 3pm. Seas 7 to 8 ft.

Monday Night

SSW wind 15 to 20 kt. A chance of rain, mainly after 9pm. Seas around 6 ft.

Tuesday

W wind 15 to 20 kt. A chance of rain before 9am. Seas 5 to 6 ft.

Tuesday Night

WNW wind around 15 kt becoming N after midnight. Cloudy. Seas around 7 ft.

Wednesday

NNE wind 15 to 20 kt increasing to 25 to 30 kt in the afternoon. Cloudy. Seas around 7 ft.

Wednesday Night

ENE wind 30 to 35 kt. A chance of snow after 9pm. Seas 7 to 8 ft.

Thursday

ENE wind 35 to 40 kt. A chance of snow before 9am, then a chance of rain and snow. Seas 8 to 9 ft.

Thursday Night

ENE wind 35 to 40 kt decreasing to 25 to 30 kt after midnight. A chance of rain and snow. Seas 9 ft building to 14 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.