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Anchorage, AK Local Forecast Office

20NM SSE Shumagin Islands AK

Marine Point Forecast

[NOTICE]

Tuesday
High: 36 °F
N 15kt
4-5ft
Tuesday Night
Low: 33 °F
N 10kt
4ft
Wednesday
High: 36 °F
N 15kt
3ft
Wednesday Night
Low: 30 °F
N 10kt
3-4ft
Thursday
High: 38 °F
N 15kt
5ft
Thursday Night
Low: 31 °F
N 15kt
5-7ft
Friday
High: 40 °F
NNE 15kt
5-6ft
Friday Night
Low: 36 °F
N 10kt
5ft
Saturday
High: 39 °F
NNW 10kt
4-5ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:26 pm AKST Jan 26, 2026
Forecast Valid: 1am AKST Jan 27, 2026-6pm AKST Feb 2, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH TUESDAY NIGHT...

Synopsis: A front in the western Bering Sea moves over the Western Aleutians then retreats to the North Pacific Wed morning. A 991 mb low moves to 150 nm NW Saint Paul Wed afternoon.

Tuesday

N wind 10 to 15 kt. A chance of snow, mainly after 9am. Seas 4 to 5 ft.

Tuesday Night

N wind around 10 kt. A chance of snow. Seas around 4 ft.

Wednesday

N wind 10 to 15 kt. A chance of snow before 9am, then a chance of rain and snow. Seas around 3 ft.

Wednesday Night

N wind around 10 kt. A chance of rain and snow. Seas 3 to 4 ft.

Thursday

N wind 10 to 15 kt. A chance of rain and snow before 9am, then a chance of snow. Seas around 5 ft.

Thursday Night

N wind 10 to 15 kt becoming NE in the evening. A chance of snow before 9pm, then a chance of rain. Seas 5 to 7 ft.

Friday

NE wind 10 to 15 kt becoming N in the afternoon. A chance of rain. Seas 5 to 6 ft.

Friday Night

N wind around 10 kt. A chance of rain. Seas around 5 ft.

Saturday

NNW wind 5 to 10 kt becoming ENE in the afternoon. A chance of rain. Seas 4 to 5 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.