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Juneau, AK Local Forecast Office

Petersburg AK

Marine Point Forecast

[NOTICE]

Tonight
Low: 36 °F
Light Wind
< 1ft
Sunday
High: 44 °F
Light Wind
< 1ft
Sunday Night
Low: 38 °F
ESE 15kt
1-3ft
Monday
High: 48 °F
ESE 15kt
3ft
Monday Night
Low: 40 °F
ESE 15kt
2-3ft
Tuesday
High: 48 °F
SE 10kt
2ft
Tuesday Night
Low: 41 °F
E 10kt
2ft
Veterans Day
High: 48 °F
Light Wind
1-2ft
Wednesday Night
Low: 39 °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: 5:41 pm AKST Nov 7, 2026
Forecast Valid: 7pm AKST Nov 7, 2026-6pm AKST Nov 14, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH THIS EVENING...

Synopsis: A gale force low will move to just west of Haida Gwaii through tonight...bringing increased winds and seas to the southern Alaska Panhandle and Dixon Entrance region through tonight. A stronger and larger low pressure system...expected to be at storm force...will move from the north Pacific into the central Gulf of Alaska late Sunday into Monday.

Tonight

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

Sunday

Variable winds 5 kt or less. Rain, mainly before 3pm. Seas 1 ft or less.

Sunday Night

ESE wind 5 to 15 kt. Rain likely, mainly after 3am. Seas 1 to 3 ft.

Monday

ESE wind around 15 kt. Rain. Seas around 3 ft.

Monday Night

ESE wind 10 to 15 kt. Rain. Seas 2 to 3 ft.

Tuesday

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

Tuesday Night

E wind 5 to 10 kt. Rain. Seas around 2 ft.

Veterans Day

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

Wednesday Night

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.