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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

    • Thursday

      Thursday:SSW wind 5 to 10 kt becoming ENE in the morning. Rain likely before 10am, then showers likely between 10am and 4pm, then rain after 4pm. Seas around 3 ft.

      High: 42 °F

      ESE 10kt
      3ft

    • Thursday Night

      Thursday Night:E wind 10 to 15 kt becoming S in the evening. Rain. Seas 3 to 4 ft.

      Low: 38 °F

      S 15kt
      3-4ft

    • Friday

      Friday:S wind around 15 kt. Rain. Seas 3 to 4 ft.

      High: 42 °F

      S 15kt
      3-4ft

    • Friday Night

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

      Low: 40 °F

      SE 10kt
      3ft

    • Saturday

      Saturday:E wind around 10 kt becoming SSE in the afternoon. Rain. Seas around 3 ft.

      High: 42 °F

      SSE 10kt
      3ft

    • Saturday Night

      Saturday Night:W wind around 15 kt. Rain, mainly before 10pm. Seas 4 to 5 ft.

      Low: 40 °F

      W 15kt
      4-5ft

    • Sunday

      Sunday:WSW wind around 15 kt. Rain likely, mainly after 10am. Seas around 5 ft.

      High: 42 °F

      WSW 15kt
      5ft

    • Sunday Night

      Sunday Night:SSW wind around 15 kt. Rain. Seas around 6 ft.

      Low: 39 °F

      SSW 15kt
      6ft

    • Monday

      Monday:WSW wind around 15 kt becoming S in the morning. Rain. Seas around 6 ft.

      High: 44 °F

      WSW 15kt
      6ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:50 pm AKDT Apr 15, 2026
Forecast Valid: 2am AKDT Apr 16, 2026-6pm AKDT Apr 22, 2026

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Detailed Forecast


Synopsis: High pressure over the eastern Gulf of Alaska will weaken through Thursday as a weak low pressure system moves east into the far northern Gulf of Alaska.

Thursday
SSW wind 5 to 10 kt becoming ENE in the morning. Rain likely before 10am, then showers likely between 10am and 4pm, then rain after 4pm. Seas around 3 ft.
Thursday Night
E wind 10 to 15 kt becoming S in the evening. Rain. Seas 3 to 4 ft.
Friday
S wind around 15 kt. Rain. Seas 3 to 4 ft.
Friday Night
SE wind around 10 kt. Rain. Seas around 3 ft.
Saturday
E wind around 10 kt becoming SSE in the afternoon. Rain. Seas around 3 ft.
Saturday Night
W wind around 15 kt. Rain, mainly before 10pm. Seas 4 to 5 ft.
Sunday
WSW wind around 15 kt. Rain likely, mainly after 10am. Seas around 5 ft.
Sunday Night
SSW wind around 15 kt. Rain. Seas around 6 ft.
Monday
WSW wind around 15 kt becoming S in the morning. Rain. Seas around 6 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: 4:50 pm AKDT Apr 15, 2026
Forecast Valid: 2am AKDT Apr 16, 2026-6pm AKDT Apr 22, 2026
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