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Anchorage, AK Local Forecast Office

33NM NNE Shemya AK

Marine Point Forecast

[NOTICE]

Tonight
Low: 41 °F
S 55kt
22ft

Storm Warning
Saturday
High: 45 °F
SSW 50kt
22-24ft

Storm Warning
Saturday Night
Low: 38 °F
WSW 50kt⇓
21ft

Storm Warning
Sunday
High: 42 °F
W 40kt
19-20ft
Sunday Night
Low: 37 °F
W 40kt
18ft
Monday
High: 44 °F
W 30kt⇓
15ft
Monday Night
Low: 42 °F
⇑SE 35kt
14ft
Veterans Day
High: 44 °F
SE 35kt⇓
17ft
Tuesday Night
Low: 40 °F
SSW 30kt
17ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:45 pm AKST Nov 7, 2025
Forecast Valid: 9pm AKST Nov 7, 2025-6pm AKST Nov 14, 2025

View Nearby Observations

Detailed Forecast

...HURRICANE FORCE WIND WARNING TONIGHT...

Synopsis: A 946 mb low 300 nm W of Shemya moves to 320 nm N of Shemya at 964 mb by Sun afternoon. Its front moves across the Bering Sea and reaches the Southwest Alaska coast by Sun morning. A 980 mb low forms 160 nm SE of Sand Point by Sun afternoon.

Tonight

S wind 45 to 55 kt, with gusts as high as 65 kt. Showers. Seas 19 ft building to 22 ft.

Saturday

SSW wind around 50 kt, with gusts as high as 60 kt. Showers, mainly before 3pm. Seas 22 to 24 ft.

Saturday Night

WSW wind 45 to 50 kt decreasing to 35 to 40 kt after midnight. Winds could gust as high as 55 kt. Showers, mainly after 9pm. Seas 21 ft subsiding to 18 ft.

Sunday

W wind around 40 kt, with gusts as high as 50 kt. Rain and snow showers. Seas 19 to 20 ft.

Sunday Night

W wind 30 to 40 kt, with gusts as high as 45 kt. Rain and snow showers likely, mainly before 9pm. Seas 18 ft subsiding to 15 ft.

Monday

W wind 25 to 30 kt becoming SSW 15 to 20 kt in the afternoon. Winds could gust as high as 40 kt. A chance of rain after 3pm. Seas 15 ft subsiding to 10 ft.

Monday Night

SSW wind 15 to 25 kt becoming SE 25 to 35 kt. Winds could gust as high as 55 kt. Rain, mainly after 9pm. Seas 9 ft building to 14 ft.

Veterans Day

SE wind 30 to 35 kt becoming S 25 to 30 kt in the afternoon. Winds could gust as high as 55 kt. Rain. Seas 14 ft building to 17 ft.

Tuesday Night

SSW wind 25 to 30 kt. A chance of rain. Seas 14 ft building to 17 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.