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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:E wind 10 to 15 kt becoming SW after midnight. Rain. Seas 3 to 4 ft.

      Low: 40 °F

      SW 15kt
      3-4ft

    • Friday

      Friday:SSW wind around 15 kt becoming E in the afternoon. Rain. Seas 3 to 4 ft.

      High: 42 °F

      SSW 15kt
      3-4ft

    • Friday Night

      Friday Night:E wind around 10 kt. Rain. Seas around 3 ft.

      Low: 39 °F

      E 10kt
      3ft

    • Saturday

      Saturday:E wind around 10 kt. Rain. Seas around 3 ft.

      High: 42 °F

      E 10kt
      3ft

    • Saturday Night

      Saturday Night:SSW wind around 10 kt becoming W after midnight. Rain, mainly before 10pm. Seas 4 to 5 ft.

      Low: 39 °F

      SSW 10kt
      4-5ft

    • Sunday

      Sunday:WSW wind around 15 kt. A chance of rain. Seas 5 to 6 ft.

      High: 43 °F

      WSW 15kt
      5-6ft

    • Sunday Night

      Sunday Night:SSW wind around 15 kt. Rain likely, mainly after 10pm. Seas 5 to 6 ft.

      Low: 39 °F

      SSW 15kt
      5-6ft

    • Monday

      Monday:SW wind around 15 kt. Rain. Seas 6 to 7 ft.

      High: 43 °F

      SW 15kt
      6-7ft

    • Monday Night

      Monday Night:SW wind around 15 kt. Rain. Seas around 8 ft.

      Low: 39 °F

      SW 15kt
      8ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:48 pm AKDT Apr 16, 2026
Forecast Valid: 10pm AKDT Apr 16, 2026-6pm AKDT Apr 23, 2026

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Detailed Forecast


Synopsis: High pressure over the eastern Gulf of Alaska will weaken through tonight as a low pressure system moves east into the far northern Gulf of Alaska on Friday. A stronger area of low moves from the northern Pacific passing south of Haida Gwaii on Sunday.

Tonight
E wind 10 to 15 kt becoming SW after midnight. Rain. Seas 3 to 4 ft.
Friday
SSW wind around 15 kt becoming E in the afternoon. Rain. Seas 3 to 4 ft.
Friday Night
E wind around 10 kt. Rain. Seas around 3 ft.
Saturday
E wind around 10 kt. Rain. Seas around 3 ft.
Saturday Night
SSW wind around 10 kt becoming W after midnight. Rain, mainly before 10pm. Seas 4 to 5 ft.
Sunday
WSW wind around 15 kt. A chance of rain. Seas 5 to 6 ft.
Sunday Night
SSW wind around 15 kt. Rain likely, mainly after 10pm. Seas 5 to 6 ft.
Monday
SW wind around 15 kt. Rain. Seas 6 to 7 ft.
Monday Night
SW wind around 15 kt. Rain. Seas around 8 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: 2:48 pm AKDT Apr 16, 2026
Forecast Valid: 10pm AKDT Apr 16, 2026-6pm AKDT Apr 23, 2026
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