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Juneau, AK Local Forecast Office

Petersburg AK

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:SE wind 5 to 10 kt. Rain, mainly after 3am.   Seas 1 to 2 ft.

      Low: 41 °F

      SE 10kt
      1-2ft

    • Thursday

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

      High: 44 °F

      Light Wind
      1ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. Rain, mainly after midnight.   Seas around 1 ft.

      Low: 38 °F

      Light Wind
      1ft

    • Friday

      Friday:E wind around 10 kt becoming SE in the afternoon. Rain.   Seas around 2 ft.

      High: 44 °F

      E 10kt
      2ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. Rain, mainly before 3am.   Seas 1 ft or less.

      Low: 37 °F

      Light Wind
      < 1ft

    • Saturday

      Saturday:Variable winds 5 kt or less. Rain, mainly after 3pm.   Seas 1 ft or less.

      High: 44 °F

      Light Wind
      < 1ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Rain.   Seas 1 ft or less.

      Low: 37 °F

      Light Wind
      < 1ft

    • Sunday

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

      High: 44 °F

      Light Wind
      1ft

    • Sunday Night

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

      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: 9:46 pm AKST Jan 28, 2026
Forecast Valid: 10pm AKST Jan 28, 2026-6pm AKST Feb 4, 2026

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Detailed Forecast

...GALE WARNING THROUGH THIS AFTERNOON...

Synopsis: A strong gale system continues to move northward near the central gulf, with an associated front spreading over the southern panhandle moving northward. Behind the front, winds are expected to shift to the south, and diminish down to fresh to strong breezes through Thursday. Another system moves up from the south Thursday night into Friday.

Tonight
SE wind 5 to 10 kt. Rain, mainly after 3am. Seas 1 to 2 ft.
Thursday
Variable winds 5 kt or less. Rain. Seas around 1 ft.
Thursday Night
Variable winds 5 kt or less. Rain, mainly after midnight. Seas around 1 ft.
Friday
E wind around 10 kt becoming SE in the afternoon. Rain. Seas around 2 ft.
Friday Night
Variable winds 5 kt or less. Rain, mainly before 3am. Seas 1 ft or less.
Saturday
Variable winds 5 kt or less. Rain, mainly after 3pm. Seas 1 ft or less.
Saturday Night
Variable winds 5 kt or less. Rain. Seas 1 ft or less.
Sunday
Variable winds 5 kt or less. Rain. Seas around 1 ft.
Sunday Night
Variable winds 5 kt or less. Rain. Seas around 1 ft.

*Notices:

  1. 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.
  2. 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.
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ABOUT THIS FORECAST

Point Forecast: 56.82°N 133°W
Last Update: 9:46 pm AKST Jan 28, 2026
Forecast Valid: 10pm AKST Jan 28, 2026-6pm AKST Feb 4, 2026
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