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Juneau, AK Local Forecast Office

Petersburg AK

Marine Point Forecast

[NOTICE]

Monday
High: 43 °F
Light Wind
1ft
Monday Night
Low: 39 °F
⇑ESE 10kt
1-2ft
Tuesday
High: 47 °F
ESE 10kt
2ft
Tuesday Night
Low: 40 °F
ESE 10kt
1-2ft
Wednesday
High: 48 °F
ESE 10kt
1-2ft
Wednesday Night
Low: 42 °F
Light Wind
1ft
Thursday
High: 47 °F
Light Wind
1ft
Thursday Night
Low: 37 °F
Light Wind
1ft
Friday
High: 48 °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: 3:43 pm AKST Feb 1, 2026
Forecast Valid: 2am AKST Feb 2, 2026-6pm AKST Feb 8, 2026

View Nearby Observations

Detailed Forecast

Synopsis: A front will move over the southern panhandle and continue to move north through Sunday night and be out of the area by Monday. A stronger gale force front will move into the Gulf of Alaska and outer coastal waters Tuesday. Active pattern continues through mid next week with multiple fronts moving over the area.

Monday

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

Monday Night

Variable winds less than 5 kt becoming ESE 5 to 10 kt after midnight. Rain. The rain could be heavy at times. Seas 1 to 2 ft.

Tuesday

ESE wind around 10 kt. Rain. The rain could be heavy at times. Seas around 2 ft.

Tuesday Night

ESE wind around 10 kt. Rain. The rain could be heavy at times. Seas 1 to 2 ft.

Wednesday

ESE wind around 10 kt. Rain. The rain could be heavy at times. Seas 1 to 2 ft.

Wednesday Night

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

Thursday

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

Thursday Night

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

Friday

Variable winds 5 kt or less. Rain. Seas around 1 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.