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Juneau, AK Local Forecast Office

Petersburg AK

Marine Point Forecast

[NOTICE]
    • Today

      Today:Variable winds 5 kt or less. A chance of showers, mainly between 10am and 4pm.  Patchy fog before 10am.  Seas around 1 ft.

      High: 60 °F

      Light Wind
      1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. A slight chance of showers before 10pm.  Patchy fog after 1am.  Seas around 1 ft.

      Low: 49 °F

      Light Wind
      1ft

    • Thursday

      Thursday:Variable winds 5 kt or less. Rain likely, mainly after 1pm.  Patchy fog before 10am.  Seas 1 to 2 ft.

      High: 58 °F

      Light Wind
      1-2ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. Rain.   Seas 1 to 2 ft.

      Low: 52 °F

      Light Wind
      1-2ft

    • Friday

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

      High: 56 °F

      Light Wind
      1ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. Showers likely, mainly before 4am.   Seas around 1 ft.

      Low: 50 °F

      Light Wind
      1ft

    • Saturday

      Saturday:Variable winds 5 kt or less. Showers likely, mainly after 10am.   Seas around 1 ft.

      High: 57 °F

      Light Wind
      1ft

    • Saturday Night

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

      Low: 52 °F

      Light Wind
      1ft

    • Sunday

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

      High: 58 °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: 7:20 am AKDT Jul 9, 2025
Forecast Valid: 7am AKDT Jul 9, 2025-6pm AKDT Jul 15, 2025

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Detailed Forecast


Synopsis: Westerly onshore flow will continue into Wednesday with brief high pressure building over the inner channels. A Gale force front enters the Gulf Thursday morning, reaching the outer Gulf coast by Thursday afternoon. Strongest marine winds expected along the northern Gulf of Alaska coast by Thursday afternoon.

Today
Variable winds 5 kt or less. A chance of showers, mainly between 10am and 4pm. Patchy fog before 10am. Seas around 1 ft.
Tonight
Variable winds 5 kt or less. A slight chance of showers before 10pm. Patchy fog after 1am. Seas around 1 ft.
Thursday
Variable winds 5 kt or less. Rain likely, mainly after 1pm. Patchy fog before 10am. Seas 1 to 2 ft.
Thursday Night
Variable winds 5 kt or less. Rain. Seas 1 to 2 ft.
Friday
Variable winds 5 kt or less. Rain. Seas around 1 ft.
Friday Night
Variable winds 5 kt or less. Showers likely, mainly before 4am. Seas around 1 ft.
Saturday
Variable winds 5 kt or less. Showers likely, mainly after 10am. Seas around 1 ft.
Saturday Night
Variable winds 5 kt or less. Rain likely. Seas around 1 ft.
Sunday
Variable winds 5 kt or less. Rain likely. 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: 7:20 am AKDT Jul 9, 2025
Forecast Valid: 7am AKDT Jul 9, 2025-6pm AKDT Jul 15, 2025
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