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Juneau, AK Local Forecast Office

Petersburg AK

Marine Point Forecast

[NOTICE]
    • Today

      Today:Variable winds 5 kt or less. Patchy freezing fog before noon.  Seas 1 ft or less.

      High: 33 °F

      Light Wind
      < 1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.

      Low: 23 °F

      Light Wind
      < 1ft

    • Friday

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

      High: 37 °F

      Light Wind
      < 1ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.

      Low: 29 °F

      Light Wind
      < 1ft

    • Saturday

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

      High: 37 °F

      Light Wind
      < 1ft

    • Saturday Night

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

      Low: 29 °F

      Light Wind
      < 1ft

    • Sunday

      Sunday:Variable winds 5 kt or less. A chance of snow after 9am.   Seas 1 ft or less.

      High: 38 °F

      Light Wind
      < 1ft

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. A chance of snow before 9pm, then rain and snow likely.   Seas 1 ft or less.

      Low: 31 °F

      Light Wind
      < 1ft

    • Monday

      Monday:Variable winds 5 kt or less. Rain and snow likely.   Seas 1 ft or less.

      High: 38 °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: 6:28 am AKST Jan 22, 2026
Forecast Valid: 8am AKST Jan 22, 2026-6pm AKST Jan 28, 2026

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Detailed Forecast


Synopsis: Main impact will continue to be dense fog across portions of the inner channels and in the outer waters. The inner channels will see increasing northerly and easterly outflow winds Thursday. Winds and seas will increase by early next week in the as the ridge breaks down and a multiple low pressure systems move into the Gulf.

Today
Variable winds 5 kt or less. Patchy freezing fog before noon. Seas 1 ft or less.
Tonight
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Friday
Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.
Friday Night
Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.
Saturday
Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.
Saturday Night
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Sunday
Variable winds 5 kt or less. A chance of snow after 9am. Seas 1 ft or less.
Sunday Night
Variable winds 5 kt or less. A chance of snow before 9pm, then rain and snow likely. Seas 1 ft or less.
Monday
Variable winds 5 kt or less. Rain and snow likely. Seas 1 ft or less.

*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: 6:28 am AKST Jan 22, 2026
Forecast Valid: 8am AKST Jan 22, 2026-6pm AKST Jan 28, 2026
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