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Juneau, AK Local Forecast Office

Petersburg AK

Marine Point Forecast

[NOTICE]

Today
High: 44 °F
SE 10kt
2ft
Tonight
Low: 38 °F
Light Wind
2ft
Sunday
High: 43 °F
Light Wind
1-2ft
Sunday Night
Low: 36 °F
Light Wind
1ft
Monday
High: 42 °F
Light Wind
1ft
Monday Night
Low: 32 °F
Light Wind
1ft
Tuesday
High: 41 °F
Light Wind
1ft
Tuesday Night
Low: 33 °F
ENE 10kt
2ft
Wednesday
High: 42 °F
ENE 10kt
2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:05 am AKDT Nov 1, 2025
Forecast Valid: 7am AKDT Nov 1, 2025-6pm AKST Nov 7, 2025

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Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH LATE TONIGHT...

Synopsis: Low pressure lingers in the gulf through weekend, keeping wind speeds elevated. Another front moves through the panhandle beginning Saturday afternoon. Outflow possible by mid next week.

Today

SE wind 5 to 10 kt. Showers. Seas around 2 ft.

Tonight

Variable winds 5 kt or less. Showers. Seas around 2 ft.

Sunday

Variable winds 5 kt or less. Showers. Seas 1 to 2 ft.

Sunday Night

Variable winds 5 kt or less. Showers. Seas around 1 ft.

Monday

Variable winds 5 kt or less. Showers likely, mainly before 10am. Seas around 1 ft.

Monday Night

Variable winds 5 kt or less. A chance of rain. Seas around 1 ft.

Tuesday

Variable winds 5 kt or less. A chance of rain. Seas around 1 ft.

Tuesday Night

ENE wind 5 to 10 kt. Rain likely. Seas around 2 ft.

Wednesday

ENE wind around 10 kt. Rain. Seas around 2 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.