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Juneau, AK Local Forecast Office

Petersburg AK

Marine Point Forecast

[NOTICE]
    • Today

      Today:Variable winds 5 kt or less. Partly sunny. Seas 1 ft or less.

      High: 55 °F

      Light Wind
      < 1ft

    • Tonight

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

      Low: 41 °F

      Light Wind
      < 1ft

    • Friday

      Friday:Variable winds 5 kt or less. Rain likely, mainly after 4pm.   Seas around 1 ft.

      High: 56 °F

      Light Wind
      1ft

    • Friday Night

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

      Low: 43 °F

      Light Wind
      1ft

    • Saturday

      Saturday:SE wind 5 to 10 kt. Showers.   Seas around 1 ft.

      High: 52 °F

      SE 10kt
      1ft

    • Saturday Night

      Saturday Night:ESE wind around 10 kt. Showers.   Seas around 1 ft.

      Low: 42 °F

      ESE 10kt
      1ft

    • Sunday

      Sunday:SE wind 5 to 10 kt. Showers.   Seas around 1 ft.

      High: 50 °F

      SE 10kt
      1ft

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. Showers.   Seas around 1 ft.

      Low: 42 °F

      Light Wind
      1ft

    • Monday

      Monday:Variable winds 5 kt or less. Showers.   Seas 1 ft or less.

      High: 50 °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: 2:59 pm AKDT May 6, 2026
Forecast Valid: 5am AKDT May 7, 2026-6pm AKDT May 13, 2026

View Nearby Observations

Detailed Forecast


Synopsis: A ridge of high pressure briefly rebuilds over the panhandle through Thursday, even as a weak front lingers over the NE Gulf Coast. The ridge moves east as a stronger and more organized low moves up from the south and into the Gulf on Friday, bringing widespread increased winds and waves through the weekend.

Today
Variable winds 5 kt or less. Partly sunny. Seas 1 ft or less.
Tonight
Variable winds 5 kt or less. Cloudy. Seas 1 ft or less.
Friday
Variable winds 5 kt or less. Rain likely, mainly after 4pm. Seas around 1 ft.
Friday Night
Variable winds 5 kt or less. Rain. Seas around 1 ft.
Saturday
SE wind 5 to 10 kt. Showers. Seas around 1 ft.
Saturday Night
ESE wind around 10 kt. Showers. Seas around 1 ft.
Sunday
SE wind 5 to 10 kt. Showers. Seas around 1 ft.
Sunday Night
Variable winds 5 kt or less. Showers. Seas around 1 ft.
Monday
Variable winds 5 kt or less. Showers. 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: 2:59 pm AKDT May 6, 2026
Forecast Valid: 5am AKDT May 7, 2026-6pm AKDT May 13, 2026
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