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Juneau, AK Local Forecast Office

Petersburg AK

Marine Point Forecast

[NOTICE]

Today
High: 45 °F
E 10kt
2ft
Tonight
Low: 39 °F
SE 10kt
2ft
Monday
High: 43 °F
Light Wind
1ft
Monday Night
Low: 40 °F
ESE 10kt
1-2ft
Tuesday
High: 47 °F
ESE 15kt
2ft
Tuesday Night
Low: 42 °F
ESE 10kt
1-2ft
Wednesday
High: 48 °F
ESE 10kt
2ft
Wednesday Night
Low: 37 °F
ESE 10kt
1-2ft
Thursday
High: 47 °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: 6:43 am AKST Feb 1, 2026
Forecast Valid: 8am AKST Feb 1, 2026-6pm AKST Feb 7, 2026

View Nearby Observations

Detailed Forecast

Synopsis: A front moves north through the northern panhandle, while a second feature move approaches the southern half of the panhandle Sunday morning. 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.

Today

E wind 5 to 10 kt. Rain likely, mainly after 3pm. Seas around 2 ft.

Tonight

SE wind around 10 kt. Rain. Seas around 2 ft.

Monday

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

Monday Night

ESE wind 5 to 10 kt. Rain. Seas 1 to 2 ft.

Tuesday

ESE wind 10 to 15 kt. Rain. Seas around 2 ft.

Tuesday Night

ESE wind around 10 kt. Rain. Seas 1 to 2 ft.

Wednesday

ESE wind around 10 kt. Rain. Seas around 2 ft.

Wednesday Night

ESE wind 5 to 10 kt. Rain. Seas 1 to 2 ft.

Thursday

Variable winds 5 kt or less. Rain likely. 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.