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Juneau, AK Local Forecast Office

Petersburg AK

Marine Point Forecast

[NOTICE]

Friday
High: 51 °F
Light Wind
1ft
Friday Night
Low: 44 °F
Light Wind
1ft
Saturday
High: 49 °F
Light Wind
1ft
Saturday Night
Low: 42 °F
Light Wind
1ft
Sunday
High: 51 °F
Light Wind
1ft
Sunday Night
Low: 40 °F
Light Wind
1ft
Memorial Day
High: 58 °F
Light Wind
< 1ft
Monday Night
Low: 42 °F
Light Wind
1ft
Tuesday
High: 56 °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: 5:32 pm AKDT May 21, 2026
Forecast Valid: 2am AKDT May 22, 2026-6pm AKDT May 28, 2026

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Detailed Forecast

Synopsis: A weakening front will move into the area Thursday night and to the panhandle Friday. A short break int the weather Saturday to Sunday especially over the northern panhandle. A low is moving south of the panhandle Sunday and will bring an areas of 25 to 35 kt winds and rain to panhandle near Dixon Entrance.

Friday

Variable winds 5 kt or less. Showers likely, mainly after 1pm. Seas around 1 ft.

Friday Night

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

Saturday

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

Saturday Night

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

Sunday

Variable winds 5 kt or less. Showers likely, mainly between 10am and 4pm. Seas around 1 ft.

Sunday Night

Variable winds 5 kt or less. A chance of showers before 10pm. Seas around 1 ft.

Memorial Day

Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

Monday Night

Variable winds 5 kt or less. Partly cloudy. Seas around 1 ft.

Tuesday

Variable winds 5 kt or less. Partly sunny. 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.