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Juneau, AK Local Forecast Office

Petersburg AK

Marine Point Forecast

[NOTICE]

Tonight
Low: 32 °F
Light Wind
< 1ft
Saturday
High: 38 °F
Light Wind
< 1ft
Saturday Night
Low: 32 °F
Light Wind
< 1ft
Sunday
High: 39 °F
Light Wind
1ft
Sunday Night
Low: 26 °F
Light Wind
< 1ft
Washington's Birthday
High: 29 °F
Light Wind
< 1ft
Monday Night
Low: 17 °F
Light Wind
< 1ft
Tuesday
High: 27 °F
Light Wind
< 1ft
Tuesday Night
Low: 15 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:02 pm AKST Feb 13, 2026
Forecast Valid: 6pm AKST Feb 13, 2026-6pm AKST Feb 20, 2026

View Nearby Observations

Detailed Forecast

Synopsis: Gulf winds once again begin to increase Saturday as a broad high pushes into the gulf quickly interrupted by a quick moving low over the northern gulf. Outlook. Start of outflow pattern for northern panhandle to start next week.

Tonight

Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.

Saturday

Variable winds 5 kt or less. A slight chance of snow showers after 3pm. Patchy fog between 9am and noon. Seas 1 ft or less.

Saturday Night

Variable winds 5 kt or less. Snow, mainly after 9pm. Seas 1 ft or less.

Sunday

Variable winds 5 kt or less. Rain and snow, becoming all rain after 9am. Seas around 1 ft.

Sunday Night

Variable winds 5 kt or less. Snow likely before 9pm. Seas 1 ft or less.

Washington's Birthday

Variable winds 5 kt or less. Partly sunny. Seas 1 ft or less.

Monday Night

Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

Tuesday

Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

Tuesday Night

Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

*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.