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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]

Monday
High: 40 °F
⇑ESE 50kt
16ft

Storm Warning
Monday Night
Low: 36 °F
⇑SSW 60kt
20ft

Storm Warning
Tuesday
High: 36 °F
SW 55kt
22-23ft
Tuesday Night
Low: 36 °F
SW 50kt
22-23ft
Wednesday
High: 36 °F
W 40kt
26ft
Wednesday Night
Low: 35 °F
WNW 40kt
26ft
Thursday
High: 41 °F
WNW 30kt
21ft
Thursday Night
Low: 34 °F
⇑S 35kt
11-13ft
Friday
High: 43 °F
S 35kt⇓
12ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 10:34 pm AKST Feb 8, 2026
Forecast Valid: 2am AKST Feb 9, 2026-6pm AKST Feb 15, 2026

View Nearby Observations

Detailed Forecast

...STORM WARNING THROUGH MONDAY NIGHT...

Synopsis: A 962 mb low 80 nm NW of Atka moves to 220 nm SW of St. Matthew Island at 968 mb by Mon morning and continues into the W Bering. Its front spreads across the E Bering moves onshore by Tue afternoon. A 952 mb low arrives 100 nm SW of Amchitka by Mon afternoon and moves to 225 nm W of Saint Paul at 944 mb by Tue afternoon. Its front moves into the E Bering through Tue afternoon.

Monday

S wind 20 to 30 kt becoming ESE 40 to 50 kt in the afternoon. Winds could gust as high as 60 kt. Rain and snow, becoming all rain after 3pm. Seas 13 ft building to 16 ft.

Monday Night

SSW wind 35 to 45 kt increasing to 50 to 60 kt. Winds could gust as high as 70 kt. Rain showers likely before midnight, then rain and snow showers. Seas 14 ft building to 20 ft.

Tuesday

SW wind 50 to 55 kt, with gusts as high as 65 kt. Rain and snow showers, becoming all snow after 3pm. Seas 22 to 23 ft.

Tuesday Night

SW wind 45 to 50 kt, with gusts as high as 60 kt. Snow showers. Seas 22 to 23 ft.

Wednesday

W wind around 40 kt, with gusts as high as 45 kt. Snow showers. Seas 21 ft building to 26 ft.

Wednesday Night

WNW wind 30 to 40 kt, with gusts as high as 50 kt. Snow showers likely, mainly before 9pm. Seas 26 ft subsiding to 21 ft.

Thursday

WNW wind 20 to 30 kt becoming SSE in the afternoon. Winds could gust as high as 35 kt. A chance of snow showers before 9am, then rain likely between 9am and 3pm. Seas 21 ft subsiding to 13 ft.

Thursday Night

S wind 20 to 25 kt increasing to 30 to 35 kt after midnight. A chance of rain. Seas 11 to 13 ft.

Friday

S wind 25 to 35 kt becoming WSW 15 to 25 kt in the afternoon. Rain. Seas 12 ft subsiding to 7 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.