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Juneau, AK Local Forecast Office

Petersburg AK

Marine Point Forecast

[NOTICE]
    • Today

      Today:SSE wind 15 to 20 kt, with gusts as high as 40 kt. Showers.   Seas 2 to 4 ft.

      High: 42 °F

      SSE 20kt
      2-4ft

    • Tonight

      Tonight:S wind 15 to 20 kt decreasing to 5 to 10 kt after midnight. Winds could gust as high as 35 kt. Showers.   Seas 1 to 2 ft.

      Low: 34 °F

      S 20kt⇓
      1-2ft

    • Friday

      Friday:Variable winds 5 kt or less. Rain showers before 9am, then rain and snow showers likely between 9am and noon, then rain showers likely after noon.   Seas 1 ft or less.

      High: 40 °F

      Light Wind
      < 1ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. A chance of showers before 9pm.   Seas 1 ft or less.

      Low: 31 °F

      Light Wind
      < 1ft

    • Saturday

      Saturday:Variable winds 5 kt or less. Rain and snow showers likely, mainly after 3pm.  Patchy fog before noon.  Seas 1 ft or less.

      High: 39 °F

      Light Wind
      < 1ft

    • Saturday Night

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

      Low: 33 °F

      Light Wind
      < 1ft

    • Sunday

      Sunday:Variable winds 5 kt or less. Rain and snow, becoming all rain after 9am.   Seas 1 ft or less.

      High: 39 °F

      Light Wind
      < 1ft

    • Sunday Night

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

      Low: 26 °F

      Light Wind
      < 1ft

    • Washington's Birthday

      Washington's Birthday:Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

      High: 34 °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: 10:42 pm AKST Feb 11, 2026
Forecast Valid: 6am AKST Feb 12, 2026-6pm AKST Feb 18, 2026

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Detailed Forecast

...GALE WARNING THROUGH THIS AFTERNOON...

Synopsis: A storm force low approaching northern Baranof island will make landfall later in the day on Thursday. This system is bring storm force conditions and frequent gusts to hurricane force to areas south of Sitka Sound towards Prince of Wales Island. Southwesterly seas of 35 ft will impact near shore coastal zones. Winds and seas begin to subside Friday.

Today
SSE wind 15 to 20 kt, with gusts as high as 40 kt. Showers. Seas 2 to 4 ft.
Tonight
S wind 15 to 20 kt decreasing to 5 to 10 kt after midnight. Winds could gust as high as 35 kt. Showers. Seas 1 to 2 ft.
Friday
Variable winds 5 kt or less. Rain showers before 9am, then rain and snow showers likely between 9am and noon, then rain showers likely after noon. Seas 1 ft or less.
Friday Night
Variable winds 5 kt or less. A chance of showers before 9pm. Seas 1 ft or less.
Saturday
Variable winds 5 kt or less. Rain and snow showers likely, mainly after 3pm. Patchy fog before noon. Seas 1 ft or less.
Saturday Night
Variable winds 5 kt or less. Rain and snow showers. Seas 1 ft or less.
Sunday
Variable winds 5 kt or less. Rain and snow, becoming all rain after 9am. Seas 1 ft or less.
Sunday Night
Variable winds 5 kt or less. Rain likely. Seas 1 ft or less.
Washington's Birthday
Variable winds 5 kt or less. Mostly sunny. 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: 10:42 pm AKST Feb 11, 2026
Forecast Valid: 6am AKST Feb 12, 2026-6pm AKST Feb 18, 2026
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