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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • Thursday

      Thursday:ENE wind 10 to 15 kt. Rain, mainly after 7am.   Seas around 4 ft.

      High: 56 °F

      ENE 15kt
      4ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. Rain.   Seas 3 to 4 ft.

      Low: 50 °F

      Light Wind
      3-4ft

    • Friday

      Friday:Variable winds 5 kt or less. Rain.   Seas around 3 ft.

      High: 56 °F

      Light Wind
      3ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. A chance of rain.   Seas around 3 ft.

      Low: 52 °F

      Light Wind
      3ft

    • Saturday

      Saturday:Variable winds 5 kt or less. A chance of rain.   Seas 2 to 3 ft.

      High: 56 °F

      Light Wind
      2-3ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Rain, mainly after 1am.   Seas 2 to 3 ft.

      Low: 50 °F

      Light Wind
      2-3ft

    • Sunday

      Sunday:E wind 5 to 10 kt. Rain.   Seas 2 to 3 ft.

      High: 55 °F

      E 10kt
      2-3ft

    • Sunday Night

      Sunday Night:ENE wind 5 to 10 kt. Rain.   Seas around 3 ft.

      Low: 49 °F

      ENE 10kt
      3ft

    • Monday

      Monday:Variable winds 5 kt or less. Rain likely.   Seas around 3 ft.

      High: 58 °F

      Light Wind
      3ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:57 pm AKDT Aug 19, 2026
Forecast Valid: 2am AKDT Aug 20, 2026-6pm AKDT Aug 26, 2026

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Detailed Forecast


Synopsis: An active pattern will continue for the Gulf of Alaska through the weekend. A low pressure system on Thursday will increase southeasterly winds and seas, especially for the northern gulf. Winds will diminish for Friday before another low moves SE into into the gulf early Saturday. This low will once again bring slightly increased southeasterly winds to the gulf.

Thursday
ENE wind 10 to 15 kt. Rain, mainly after 7am. Seas around 4 ft.
Thursday Night
Variable winds 5 kt or less. Rain. Seas 3 to 4 ft.
Friday
Variable winds 5 kt or less. Rain. Seas around 3 ft.
Friday Night
Variable winds 5 kt or less. A chance of rain. Seas around 3 ft.
Saturday
Variable winds 5 kt or less. A chance of rain. Seas 2 to 3 ft.
Saturday Night
Variable winds 5 kt or less. Rain, mainly after 1am. Seas 2 to 3 ft.
Sunday
E wind 5 to 10 kt. Rain. Seas 2 to 3 ft.
Sunday Night
ENE wind 5 to 10 kt. Rain. Seas around 3 ft.
Monday
Variable winds 5 kt or less. Rain likely. Seas around 3 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: 58.2°N 136.63°W
Last Update: 9:57 pm AKDT Aug 19, 2026
Forecast Valid: 2am AKDT Aug 20, 2026-6pm AKDT Aug 26, 2026
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