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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]

Today
High: 42 °F
⇑ESE 50kt
11ft

Storm Warning
Tonight
Low: 38 °F
SSW 50kt
19ft

Storm Warning
Sunday
High: 40 °F
SW 55kt
17-19ft

Storm Warning
Sunday Night
Low: 36 °F
SW 40kt
17-19ft
Monday
High: 40 °F
WSW 35kt
16ft
Monday Night
Low: 37 °F
WSW 35kt
16-18ft
Tuesday
High: 40 °F
WSW 35kt
18ft
Tuesday Night
Low: 36 °F
SW 25kt
12ft
Wednesday
High: 40 °F
S 20kt
6ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:51 am AKDT Apr 25, 2026
Forecast Valid: 6am AKDT Apr 25, 2026-6pm AKDT May 1, 2026

View Nearby Observations

Detailed Forecast

...STORM WARNING THROUGH SUNDAY...

Synopsis: A 978 mb North Pacific low 290 nm S of Kiska Island pushes its front into the southern Bering. This low crosses Adak to 134 nm N of Atka at 956 mb by Sun morning then to 150 nm W of St Paul at 960 mb by Sun afternoon and remains in place through Mon afternoon.

Today

ESE wind 15 to 25 kt increasing to 40 to 50 kt. Winds could gust as high as 60 kt. Rain and snow after 7am, becoming all rain after 1pm. The rain and snow could be heavy at times. Seas 5 ft building to 11 ft.

Tonight

SSW wind 45 to 50 kt, with gusts as high as 60 kt. Showers. Seas 15 ft building to 19 ft.

Sunday

SW wind 45 to 55 kt, with gusts as high as 65 kt. Rain and snow showers. Seas 17 to 19 ft.

Sunday Night

SW wind 35 to 40 kt, with gusts as high as 50 kt. Rain and snow showers. Seas 17 to 19 ft.

Monday

WSW wind 30 to 35 kt, with gusts as high as 40 kt. Rain and snow showers. Seas around 16 ft.

Monday Night

WSW wind around 35 kt, with gusts as high as 45 kt. Rain, possibly mixed with snow showers. Seas 16 to 18 ft.

Tuesday

WSW wind 30 to 35 kt, with gusts as high as 40 kt. Rain. Seas 18 ft subsiding to 14 ft.

Tuesday Night

SW wind 20 to 25 kt, with gusts as high as 30 kt. Rain. Seas 12 ft subsiding to 9 ft.

Wednesday

S wind 15 to 20 kt becoming NNE in the morning. Rain. Seas around 6 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.