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Juneau, AK Local Forecast Office

Petersburg AK

Marine Point Forecast

[NOTICE]

Today
High: 44 °F
SE 10kt
1-2ft
Tonight
Low: 36 °F
Light Wind
1ft
Monday
High: 42 °F
Light Wind
1ft
Monday Night
Low: 37 °F
Light Wind
1ft
Tuesday
High: 42 °F
Light Wind
1ft
Tuesday Night
Low: 36 °F
SSE 10kt
1-2ft
Wednesday
High: 42 °F
SE 10kt
1-2ft
Wednesday Night
Low: 36 °F
ESE 10kt
1ft
Thursday
High: 41 °F
ESE 10kt
1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:40 am AKST Feb 8, 2026
Forecast Valid: 6am AKST Feb 8, 2026-6pm AKST Feb 14, 2026

View Nearby Observations

Detailed Forecast

Synopsis: Winds will remain elevated through the day on Sunday, before diminishing Sunday evening. Isolated times and areas of increased winds will remain possible with continued showers. Looking ahead, a strong system will once again increase winds midweek next week.

Today

SE wind 5 to 10 kt. Showers, mainly before 9am. Areas of fog before noon. Seas 1 to 2 ft.

Tonight

Variable winds 5 kt or less. Showers likely, mainly after 3am. Patchy fog. Seas around 1 ft.

Monday

Variable winds 5 kt or less. Showers. Patchy fog before 9am. Seas around 1 ft.

Monday Night

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

Tuesday

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

Tuesday Night

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

Wednesday

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

Wednesday Night

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

Thursday

ESE wind 5 to 10 kt becoming S in the morning. 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.