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Juneau, AK Local Forecast Office

Petersburg AK

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:Variable winds 5 kt or less. Snow showers likely, mainly after 1am.   Seas 1 ft or less.

      Low: 25 °F

      Light Wind
      < 1ft

    • Saturday

      Saturday:Variable winds 5 kt or less. Scattered snow showers.   Seas 1 ft or less.

      High: 36 °F

      Light Wind
      < 1ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Scattered snow showers, mainly before 10pm.   Seas 1 ft or less.

      Low: 23 °F

      Light Wind
      < 1ft

    • Sunday

      Sunday:Variable winds 5 kt or less. Flurries after 7am.   Seas 1 ft or less.

      High: 37 °F

      Light Wind
      < 1ft

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. Flurries between 10pm and 4am, then a chance of snow showers after 4am.   Seas 1 ft or less.

      Low: 26 °F

      Light Wind
      < 1ft

    • Monday

      Monday:Variable winds 5 kt or less. Snow likely, mainly after 10am.   Seas 1 ft or less.

      High: 38 °F

      Light Wind
      < 1ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. Rain and snow, mainly before 4am.   Seas around 1 ft.

      Low: 31 °F

      Light Wind
      1ft

    • Tuesday

      Tuesday:Variable winds 5 kt or less. A chance of rain and snow before 10am.   Seas around 1 ft.

      High: 44 °F

      Light Wind
      1ft

    • Tuesday Night

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

      Low: 30 °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: 3:39 pm AKDT Mar 27, 2026
Forecast Valid: 10pm AKDT Mar 27, 2026-6pm AKDT Apr 3, 2026

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Detailed Forecast


Synopsis: Multiple areas of low pressure over the SE Gulf will persist through Friday before drifting SE by Sunday. Snow showers linger over the southern Gulf and the southern inner channels into Saturday night. Northerly and easterly outflow continues across the northern inner channels before diminishing Friday night.

Tonight
Variable winds 5 kt or less. Snow showers likely, mainly after 1am. Seas 1 ft or less.
Saturday
Variable winds 5 kt or less. Scattered snow showers. Seas 1 ft or less.
Saturday Night
Variable winds 5 kt or less. Scattered snow showers, mainly before 10pm. Seas 1 ft or less.
Sunday
Variable winds 5 kt or less. Flurries after 7am. Seas 1 ft or less.
Sunday Night
Variable winds 5 kt or less. Flurries between 10pm and 4am, then a chance of snow showers after 4am. Seas 1 ft or less.
Monday
Variable winds 5 kt or less. Snow likely, mainly after 10am. Seas 1 ft or less.
Monday Night
Variable winds 5 kt or less. Rain and snow, mainly before 4am. Seas around 1 ft.
Tuesday
Variable winds 5 kt or less. A chance of rain and snow before 10am. Seas around 1 ft.
Tuesday Night
Variable winds 5 kt or less. Mostly cloudy. 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: 56.81°N 132.95°W
Last Update: 3:39 pm AKDT Mar 27, 2026
Forecast Valid: 10pm AKDT Mar 27, 2026-6pm AKDT Apr 3, 2026
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