For More Weather Information:

Anchorage, AK Local Forecast Office

33NM NNE Shemya AK

Marine Point Forecast

[NOTICE]

Today
High: 48 °F
Light Wind
2ft
Tonight
Low: 44 °F
Light Wind
3ft
Sunday
High: 48 °F
ENE 10kt
3ft
Sunday Night
Low: 45 °F
NE 10kt
3ft
Monday
High: 47 °F
N 10kt
3ft
Monday Night
Low: 46 °F
NE 10kt
3ft
Tuesday
High: 48 °F
N 15kt
3ft
Tuesday Night
Low: 43 °F
NNW 15kt
3ft
Wednesday
High: 49 °F
NNW 15kt
2-3ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:59 am AKDT Jul 5, 2025
Forecast Valid: 10am AKDT Jul 5, 2025-6pm AKDT Jul 11, 2025

View Nearby Observations

Detailed Forecast

Synopsis: A 1002 mb complex low 75 nm N of Unalaska loops to 50 nm W of Unalaska at 1008 mb Sun morning and dissipates by Sun afternoon. A 999 mb low 230 nm S of Attu Sat afternoon moves to 110 nm S of Amchitka Pass Mon morning.

Today

Variable winds 5 kt or less. Partly sunny. Seas around 2 ft.

Tonight

Variable winds 5 kt or less. Isolated showers after 1am. Seas around 3 ft.

Sunday

ENE wind around 10 kt. A chance of rain, mainly after 4pm. Seas around 3 ft.

Sunday Night

NE wind around 10 kt. A chance of showers. Seas around 3 ft.

Monday

N wind around 10 kt. Scattered showers before 1pm. Seas around 3 ft.

Monday Night

NE wind 5 to 10 kt. Mostly cloudy. Seas around 3 ft.

Tuesday

NE wind 10 to 15 kt becoming N in the morning. Cloudy. Seas around 3 ft.

Tuesday Night

NNW wind around 15 kt. Mostly cloudy. Seas around 3 ft.

Wednesday

NNW wind around 15 kt. Mostly cloudy. Seas 2 to 3 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.