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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • Friday

      Friday:S wind 5 to 10 kt becoming E in the morning. Showers.   Seas around 3 ft.

      High: 56 °F

      SSW 10kt
      3ft

    • Friday Night

      Friday Night:WSW wind 5 to 10 kt. A chance of showers, mainly before 10pm.   Seas around 3 ft.

      Low: 52 °F

      WSW 10kt
      3ft

    • Saturday

      Saturday:SW wind around 10 kt. A slight chance of showers after 10am.   Seas around 3 ft.

      High: 56 °F

      SW 10kt
      3ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Showers likely, mainly after 1am.   Seas around 2 ft.

      Low: 50 °F

      Light Wind
      2ft

    • Sunday

      Sunday:ENE wind 5 to 10 kt. Showers.   Seas 2 to 3 ft.

      High: 56 °F

      ENE 10kt
      2-3ft

    • Sunday Night

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

      Low: 49 °F

      ENE 10kt
      3ft

    • Monday

      Monday:Variable winds 5 kt or less. Showers likely, mainly before 4pm.   Seas around 3 ft.

      High: 58 °F

      Light Wind
      3ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. A chance of showers.   Seas 2 to 3 ft.

      Low: 50 °F

      Light Wind
      2-3ft

    • Tuesday

      Tuesday:Variable winds 5 kt or less. Mostly sunny. Seas around 2 ft.

      High: 59 °F

      Light Wind
      2ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:35 pm AKDT Aug 20, 2026
Forecast Valid: 2am AKDT Aug 21, 2026-6pm AKDT Aug 27, 2026

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Detailed Forecast


Synopsis: Winds and seas will continue to diminish as a weakening frontal system moves into the Alaska Panhandle. Another frontal system develops Sunday and moves in from the west. This next front late in the weekend will bring increased winds to portions of the inside waters of southeast Alaska.

Friday
S wind 5 to 10 kt becoming E in the morning. Showers. Seas around 3 ft.
Friday Night
WSW wind 5 to 10 kt. A chance of showers, mainly before 10pm. Seas around 3 ft.
Saturday
SW wind around 10 kt. A slight chance of showers after 10am. Seas around 3 ft.
Saturday Night
Variable winds 5 kt or less. Showers likely, mainly after 1am. Seas around 2 ft.
Sunday
ENE wind 5 to 10 kt. Showers. Seas 2 to 3 ft.
Sunday Night
ENE wind 5 to 10 kt. Showers. Seas around 3 ft.
Monday
Variable winds 5 kt or less. Showers likely, mainly before 4pm. Seas around 3 ft.
Monday Night
Variable winds 5 kt or less. A chance of showers. Seas 2 to 3 ft.
Tuesday
Variable winds 5 kt or less. Mostly sunny. Seas around 2 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: 9:35 pm AKDT Aug 20, 2026
Forecast Valid: 2am AKDT Aug 21, 2026-6pm AKDT Aug 27, 2026
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