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Anchorage, AK Local Forecast Office

33NM NNE Shemya AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 49 °F
SW 35kt
18ft
Tonight
Low: 44 °F
WSW 45kt
18-20ft

Gale Warning
Friday
High: 49 °F
WSW 35kt
15-16ft

Gale Warning
Friday Night
Low: 43 °F
W 30kt
13ft

Small Craft Advisory
Saturday
High: 47 °F
W 25kt
10-12ft
Saturday Night
Low: 42 °F
WNW 25kt
9ft
Sunday
High: 45 °F
WNW 25kt
10ft
Sunday Night
Low: 41 °F
WNW 20kt
10ft
Columbus Day
High: 44 °F
NNW 15kt
5-6ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 12:44 pm AKDT Oct 8, 2026
Forecast Valid: 2pm AKDT Oct 8, 2026-6pm AKDT Oct 14, 2026

View Nearby Observations

Detailed Forecast

...GALE WARNING THROUGH FRIDAY...

Synopsis: A 950 mb low centered near eastern Russia pushes a series of fronts through the Bering though Sat morning. The parent low moves to 380 nm N of Shemya at 970 mb Fri afternoon and continues to 200 nm W of St. Matthew at 973 mb by Sat morning.

This Afternoon

SW wind around 35 kt, with gusts as high as 45 kt. Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Seas around 18 ft.

Tonight

WSW wind 35 to 45 kt, with gusts as high as 55 kt. Showers. Seas 18 to 20 ft.

Friday

WSW wind around 35 kt, with gusts as high as 40 kt. Showers. Seas 15 to 16 ft.

Friday Night

W wind 25 to 30 kt, with gusts as high as 35 kt. Showers likely, mainly before 7pm. Seas around 13 ft.

Saturday

W wind 20 to 25 kt, with gusts as high as 30 kt. Showers likely, mainly between 10am and 4pm. Seas 10 to 12 ft.

Saturday Night

WNW wind 20 to 25 kt. Showers likely, mainly after 7pm. Seas around 9 ft.

Sunday

WNW wind around 25 kt. Scattered showers before 4pm. Seas around 10 ft.

Sunday Night

WNW wind 15 to 20 kt, with gusts as high as 25 kt. Mostly cloudy. Seas 10 ft subsiding to 7 ft.

Columbus Day

NNW wind around 15 kt. A chance of rain. Seas 5 to 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.