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Juneau, AK Local Forecast Office

Port Armstrong AK

Marine Point Forecast

[NOTICE]
    • Friday

      Friday:NE wind 5 to 10 kt becoming S in the afternoon. Showers, mainly before 1pm.   Seas around 2 ft.

      High: 66 °F

      NE 10kt
      2ft

    • Friday Night

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

      Low: 54 °F

      Light Wind
      1ft

    • Saturday

      Saturday:Variable winds 5 kt or less. A chance of showers, mainly before 10am.   Seas 1 ft or less.

      High: 69 °F

      Light Wind
      < 1ft

    • Saturday Night

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

      Low: 53 °F

      Light Wind
      1ft

    • Sunday

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

      High: 70 °F

      Light Wind
      1ft

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. Mostly cloudy. Seas 1 to 2 ft.

      Low: 54 °F

      Light Wind
      1-2ft

    • Monday

      Monday:Variable winds 5 kt or less. Mostly sunny. Seas around 1 ft.

      High: 69 °F

      Light Wind
      1ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.

      Low: 53 °F

      Light Wind
      1ft

    • Tuesday

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

      High: 68 °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: 8:07 pm AKDT Jul 30, 2026
Forecast Valid: 2am AKDT Jul 31, 2026-6pm AKDT Aug 6, 2026

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Detailed Forecast


Synopsis: A low pressure system lingers southwest of Haida Gwaii, with an associated stationary front located offshore of Prince of Wales Island. As the low to the SW weakens, high pressure will build across the Alaskan Panhandle over the weekend.

Friday
NE wind 5 to 10 kt becoming S in the afternoon. Showers, mainly before 1pm. Seas around 2 ft.
Friday Night
Variable winds 5 kt or less. A chance of showers. Seas around 1 ft.
Saturday
Variable winds 5 kt or less. A chance of showers, mainly before 10am. Seas 1 ft or less.
Saturday Night
Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft.
Sunday
Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft.
Sunday Night
Variable winds 5 kt or less. Mostly cloudy. Seas 1 to 2 ft.
Monday
Variable winds 5 kt or less. Mostly sunny. Seas around 1 ft.
Monday Night
Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.
Tuesday
Variable winds 5 kt or less. Partly sunny. 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: 56.29°N 134.66°W
Last Update: 8:07 pm AKDT Jul 30, 2026
Forecast Valid: 2am AKDT Jul 31, 2026-6pm AKDT Aug 6, 2026
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