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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • Today

      Today:E wind 5 to 10 kt. Rain.   Seas around 5 ft.

      High: 56 °F

      E 10kt
      5ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Rain, mainly before 10pm.   Seas around 5 ft.

      Low: 51 °F

      Light Wind
      5ft

    • Sunday

      Sunday:Variable winds 5 kt or less. Showers likely, mainly before 10am.   Seas around 4 ft.

      High: 57 °F

      Light Wind
      4ft

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. Rain, mainly after 10pm.   Seas around 4 ft.

      Low: 50 °F

      Light Wind
      4ft

    • Monday

      Monday:SSE wind around 10 kt. Rain. The rain could be heavy at times.   Seas 3 to 4 ft.

      High: 54 °F

      SSE 10kt
      3-4ft

    • Monday Night

      Monday Night:SSE wind around 10 kt becoming E after midnight. Rain. The rain could be heavy at times.   Seas around 5 ft.

      Low: 48 °F

      SSE 10kt
      5ft

    • Tuesday

      Tuesday:NE wind 5 to 10 kt. Showers likely, mainly before 10am.   Seas 5 to 6 ft.

      High: 58 °F

      NE 10kt
      5-6ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. Partly cloudy. Seas 4 to 5 ft.

      Low: 50 °F

      Light Wind
      4-5ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. Sunny. 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: 9:35 am AKDT Aug 29, 2026
Forecast Valid: 10am AKDT Aug 29, 2026-6pm AKDT Sep 4, 2026

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Detailed Forecast


Synopsis: A front is expected to bring fresh to strong breezes across the outer and inner waters through Saturday as it tracks east across Southeast Alaska. A weak low near Prince William Sound will move SE to just off Baranof Island by Sunday.

Today
E wind 5 to 10 kt. Rain. Seas around 5 ft.
Tonight
Variable winds 5 kt or less. Rain, mainly before 10pm. Seas around 5 ft.
Sunday
Variable winds 5 kt or less. Showers likely, mainly before 10am. Seas around 4 ft.
Sunday Night
Variable winds 5 kt or less. Rain, mainly after 10pm. Seas around 4 ft.
Monday
SSE wind around 10 kt. Rain. The rain could be heavy at times. Seas 3 to 4 ft.
Monday Night
SSE wind around 10 kt becoming E after midnight. Rain. The rain could be heavy at times. Seas around 5 ft.
Tuesday
NE wind 5 to 10 kt. Showers likely, mainly before 10am. Seas 5 to 6 ft.
Tuesday Night
Variable winds 5 kt or less. Partly cloudy. Seas 4 to 5 ft.
Wednesday
Variable winds 5 kt or less. Sunny. 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: 9:35 am AKDT Aug 29, 2026
Forecast Valid: 10am AKDT Aug 29, 2026-6pm AKDT Sep 4, 2026
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