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Juneau, AK Local Forecast Office

Petersburg AK

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:Variable winds 5 km/h or less. A slight chance of showers before 7pm.  Patchy fog after 1am.  Seas 1 m or less.

      Low: 9 °C

      Light Wind
      < 1m

    • Independence Day

      Independence Day:Variable winds 5 km/h or less. A slight chance of showers between 10am and 4pm.  Patchy fog before 7am.  Seas 1 m or less.

      High: 17 °C

      Light Wind
      < 1m

    • Friday Night

      Friday Night:Variable winds 5 km/h or less. A slight chance of showers before 10pm, then a slight chance of showers after 1am.   Seas 1 m or less.

      Low: 11 °C

      Light Wind
      < 1m

    • Saturday

      Saturday:E wind around 10 km/h. Mostly cloudy. Seas 1 m or less.

      High: 17 °C

      E 10km/h
      < 1m

    • Saturday Night

      Saturday Night:SE wind around 10 km/h. A chance of rain after 4am.   Seas 1 m or less.

      Low: 11 °C

      SE 10km/h
      < 1m

    • Sunday

      Sunday:S wind around 10 km/h. Rain likely, mainly after 10am.   Seas 1 m or less.

      High: 14 °C

      S 10km/h
      < 1m

    • Sunday Night

      Sunday Night:Variable winds 5 km/h or less. Rain likely.   Seas 1 m or less.

      Low: 11 °C

      Light Wind
      < 1m

    • Monday

      Monday:Variable winds 5 km/h or less. Rain.   Seas 1 m or less.

      High: 14 °C

      Light Wind
      < 1m

    • Monday Night

      Monday Night:Variable winds 5 km/h or less. Rain.   Seas 1 m or less.

      Low: 10 °C

      Light Wind
      < 1m


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:28 pm AKDT Jul 3, 2025
Forecast Valid: 6pm AKDT Jul 3, 2025-6pm AKDT Jul 10, 2025

View Nearby Observations

Detailed Forecast


Synopsis: A weak ridge of high pressure will linger over the eastern Gulf and the panhandle through Friday night bringing drier weather and calmer winds. An area of low pressure will move E into the southern part of the gulf Friday through Saturday.

Tonight
Variable winds 5 km/h or less. A slight chance of showers before 7pm. Patchy fog after 1am. Seas 1 m or less.
Independence Day
Variable winds 5 km/h or less. A slight chance of showers between 10am and 4pm. Patchy fog before 7am. Seas 1 m or less.
Friday Night
Variable winds 5 km/h or less. A slight chance of showers before 10pm, then a slight chance of showers after 1am. Seas 1 m or less.
Saturday
E wind around 10 km/h. Mostly cloudy. Seas 1 m or less.
Saturday Night
SE wind around 10 km/h. A chance of rain after 4am. Seas 1 m or less.
Sunday
S wind around 10 km/h. Rain likely, mainly after 10am. Seas 1 m or less.
Sunday Night
Variable winds 5 km/h or less. Rain likely. Seas 1 m or less.
Monday
Variable winds 5 km/h or less. Rain. Seas 1 m or less.
Monday Night
Variable winds 5 km/h or less. Rain. Seas 1 m 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: 4:28 pm AKDT Jul 3, 2025
Forecast Valid: 6pm AKDT Jul 3, 2025-6pm AKDT Jul 10, 2025
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