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Anchorage, AK Local Forecast Office

24NM W Attu AK

Marine Point Forecast

[NOTICE]

Tonight
Low: 48 °F
SE 15kt
2ft
Saturday
High: 54 °F
S 20kt
3-5ft
Saturday Night
Low: 48 °F
S 30kt
8-9ft

Small Craft Advisory
Sunday
High: 53 °F
SW 20kt
8-10ft
Sunday Night
Low: 47 °F
WSW 15kt
5-6ft
Monday
High: 51 °F
WSW 15kt
3-4ft
Monday Night
Low: 47 °F
Light Wind
4-5ft
Tuesday
High: 52 °F
Light Wind
4ft
Tuesday Night
Low: 47 °F
Light Wind
3ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:06 pm AKDT Jul 31, 2026
Forecast Valid: 9pm AKDT Jul 31, 2026-6pm AKDT Aug 7, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY TONIGHT AND SATURDAY...

Synopsis: A 1004 mb low 125 nm NW of Dutch Harbor moves to 220 nm NW of Nelson Lagoon at 1006 mb Fri afternoon and then to 185 nm S of Chignik at 1012 mb Sat afternoon. A separate front moves into the western Bering this afternoon.

Tonight

SE wind around 15 kt. Showers. Seas around 2 ft.

Saturday

S wind around 20 kt, with gusts as high as 35 kt. Rain. Seas 3 to 5 ft.

Saturday Night

S wind 25 to 30 kt, with gusts as high as 35 kt. Rain. Seas 8 to 9 ft.

Sunday

SW wind around 20 kt, with gusts as high as 30 kt. Rain, mainly before 10am. Seas 8 to 10 ft.

Sunday Night

WSW wind around 15 kt, with gusts as high as 20 kt. A chance of rain before 10pm. Seas 5 to 6 ft.

Monday

WSW wind 5 to 15 kt. Mostly cloudy. Seas 3 to 4 ft.

Monday Night

Variable winds 5 kt or less. Mostly cloudy. Seas 4 to 5 ft.

Tuesday

Variable winds 5 kt or less. Cloudy. Seas around 4 ft.

Tuesday Night

Variable winds 5 kt or less. Cloudy. Seas around 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.