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Anchorage, AK Local Forecast Office

3NM SSW Marmot Bay AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 45 °F
Light Wind
2-3ft
Tonight
Low: 40 °F
Light Wind
2-3ft
Thursday
High: 43 °F
Light Wind
2-3ft
Thursday Night
Low: 39 °F
Light Wind
2-3ft
Friday
High: 40 °F
N 10kt
1-2ft
Friday Night
Low: 29 °F
NNW 15kt
1-2ft
Saturday
High: 34 °F
NNW 15kt
2-3ft
Saturday Night
Low: 25 °F
NNW 20kt
3ft
Sunday
High: 32 °F
NNW 20kt
3ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:00 am AKST Dec 3, 2025
Forecast Valid: 1pm AKST Dec 3, 2025-6pm AKST Dec 9, 2025

View Nearby Observations

Detailed Forecast

Synopsis: A front over the northern Gulf Coast slides over Southeast Alaska Wed morning. A 1002 mb North Pacific low lifts into the Western Gulf near 55N 152W Friday morning.

This Afternoon

Variable winds 5 kt or less. A chance of rain, mainly after 3pm. Seas 2 to 3 ft.

Tonight

Variable winds 5 kt or less. A chance of rain, mainly before 3am. Seas 2 to 3 ft.

Thursday

Variable winds 5 kt or less. A chance of rain, mainly after noon. Seas 2 to 3 ft.

Thursday Night

Variable winds 5 kt or less. Rain likely, mainly after 3am. Seas 2 to 3 ft.

Friday

N wind 5 to 10 kt. A chance of rain before 3pm, then a chance of rain and snow. Seas 1 to 2 ft.

Friday Night

NNW wind 10 to 15 kt, with gusts as high as 25 kt. A chance of snow after 9pm. Seas 1 to 2 ft.

Saturday

NNW wind around 15 kt, with gusts as high as 25 kt. A chance of snow. Seas 2 to 3 ft.

Saturday Night

NNW wind 15 to 20 kt. Snow likely. Seas around 3 ft.

Sunday

NNW wind 15 to 20 kt. Snow likely. 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.