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Juneau, AK Local Forecast Office

Petersburg AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 44 °F
SSE 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: 10:59 am AKDT Nov 1, 2025
Forecast Valid: 1pm AKDT Nov 1, 2025-6pm AKST Nov 7, 2025

View Nearby Observations

Detailed Forecast

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.

This Afternoon

SSE wind around 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.