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Anchorage, AK Local Forecast Office

3NM SSW Marmot Bay AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 41 °F
NNW 15kt
2ft
Tonight
Low: 29 °F
NNW 25kt
2-4ft
Saturday
High: 31 °F
N 25kt
5-6ft
Saturday Night
Low: 28 °F
N 30kt
7ft
Sunday
High: 31 °F
N 30kt
7ft
Sunday Night
Low: 29 °F
NNW 25kt
7ft
Monday
High: 35 °F
N 25kt
5-7ft
Monday Night
Low: 24 °F
NNW 25kt
6ft
Tuesday
High: 28 °F
NNW 25kt
4ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:16 pm AKST Dec 5, 2025
Forecast Valid: 3pm AKST Dec 5, 2025-6pm AKST Dec 11, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH SATURDAY NIGHT...

Synopsis: A 994 mb low 90 nm SE of Seward and a 992 mb low 270 nm SE of Kodiak City combine 150 nm E of Kodiak City mid-Sat morning forming a 974 mb low. This low moves to 180 nm SE of Kodiak City at 976 mb Sun afternoon. A series of fronts lift across the Gulf to the northern Gulf Coast through Sun afternoon.

This Afternoon

NNW wind around 15 kt. Mostly sunny. Seas around 2 ft.

Tonight

NNW wind 15 to 25 kt, with gusts as high as 35 kt. Partly cloudy. Seas 2 to 4 ft.

Saturday

N wind around 25 kt, with gusts as high as 40 kt. Scattered snow showers, mainly after 9am. Seas 5 to 6 ft.

Saturday Night

N wind 20 to 30 kt, with gusts as high as 35 kt. Snow likely, mainly after 9pm. Widespread freezing spray. Seas 7 ft subsiding to 4 ft.

Sunday

N wind 20 to 30 kt. Snow likely, mainly before 3pm. Widespread freezing spray before noon. Seas 7 ft subsiding to 4 ft.

Sunday Night

NNW wind 15 to 25 kt becoming NE after midnight. Winds could gust as high as 35 kt. Snow. Seas 3 ft building to 7 ft.

Monday

NE wind 20 to 25 kt becoming N in the afternoon. Winds could gust as high as 35 kt. Snow before 9am. Seas 5 to 7 ft.

Monday Night

NNW wind 20 to 25 kt. Snow. Seas 6 ft subsiding to 3 ft.

Tuesday

NNW wind 20 to 25 kt. A chance of snow. Seas around 4 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.