For More Weather Information:

Juneau, AK Local Forecast Office

Petersburg AK

Marine Point Forecast

[NOTICE]

Today
High: 38 °F
⇑SSE 10kt
1-2ft
Tonight
Low: 29 °F
SSE 10kt
1-2ft
Friday
High: 39 °F
Light Wind
1ft
Friday Night
Low: 32 °F
SE 10kt
1ft
Saturday
High: 40 °F
ESE 10kt
2ft
Saturday Night
Low: 30 °F
SE 10kt
1-2ft
Sunday
High: 38 °F
Light Wind
1ft
Sunday Night
Low: 26 °F
Light Wind
< 1ft
Monday
High: 40 °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: 3:50 am AKDT Mar 19, 2026
Forecast Valid: 7am AKDT Mar 19, 2026-6pm AKDT Mar 25, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH THIS MORNING...

Synopsis: A low in the northern Gulf will send numerous waves of showers, mainly snow showers, with persistent South to southwesterly winds across the Gulf and inner channels through late week. These showers can create infrequent times of slightly increased wind gusts. A gale force low will move into the Central Gulf this weekend from the West.

Today

Variable winds less than 5 kt becoming SSE 5 to 10 kt in the afternoon. Snow showers before 1pm, then rain showers. Seas 1 to 2 ft.

Tonight

SSE wind 5 to 10 kt. Rain and snow showers, becoming all snow after 7pm. Seas 1 to 2 ft.

Friday

Variable winds 5 kt or less. Rain and snow showers before 1pm, then snow showers between 1pm and 4pm, then rain and snow showers after 4pm. Seas around 1 ft.

Friday Night

SE wind 5 to 10 kt. Rain and snow showers, becoming all snow after 7pm. Seas around 1 ft.

Saturday

ESE wind around 10 kt. Snow likely before 10am, then rain and snow. Seas around 2 ft.

Saturday Night

SE wind 5 to 10 kt. Rain and snow, becoming all snow after 10pm. Seas 1 to 2 ft.

Sunday

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

Sunday Night

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

Monday

Variable winds 5 kt or less. Snow likely. Seas 1 ft or less.

*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.