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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • Friday

      Friday:Variable winds 5 kt or less. Mostly cloudy. Seas 2 to 3 ft.

      High: 57 °F

      Light Wind
      2-3ft

    • Friday Night

      Friday Night:S wind around 10 kt. Showers, mainly after 10pm.   Seas around 3 ft.

      Low: 52 °F

      S 10kt
      3ft

    • Saturday

      Saturday:Variable winds 5 kt or less. Showers.   Seas 4 to 5 ft.

      High: 56 °F

      Light Wind
      4-5ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Showers.   Seas around 5 ft.

      Low: 51 °F

      Light Wind
      5ft

    • Sunday

      Sunday:Variable winds 5 kt or less. A chance of showers.   Seas around 4 ft.

      High: 57 °F

      Light Wind
      4ft

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. Showers likely, mainly after 1am.   Seas around 4 ft.

      Low: 50 °F

      Light Wind
      4ft

    • Monday

      Monday:ESE wind 5 to 10 kt. Showers.   Seas around 3 ft.

      High: 55 °F

      ESE 10kt
      3ft

    • Monday Night

      Monday Night:E wind around 15 kt. Showers.   Seas around 4 ft.

      Low: 48 °F

      E 15kt
      4ft

    • Tuesday

      Tuesday:NE wind around 10 kt. Showers.   Seas 4 to 5 ft.

      High: 56 °F

      NE 10kt
      4-5ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:02 am AKDT Aug 28, 2026
Forecast Valid: 4am AKDT Aug 28, 2026-6pm AKDT Sep 3, 2026

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Detailed Forecast


Synopsis: A next front is expected to bring fresh to strong breezes across outer and inner waters Friday night and Saturday as it tracks east across Southeast Alaska.

Friday
Variable winds 5 kt or less. Mostly cloudy. Seas 2 to 3 ft.
Friday Night
S wind around 10 kt. Showers, mainly after 10pm. Seas around 3 ft.
Saturday
Variable winds 5 kt or less. Showers. Seas 4 to 5 ft.
Saturday Night
Variable winds 5 kt or less. Showers. Seas around 5 ft.
Sunday
Variable winds 5 kt or less. A chance of showers. Seas around 4 ft.
Sunday Night
Variable winds 5 kt or less. Showers likely, mainly after 1am. Seas around 4 ft.
Monday
ESE wind 5 to 10 kt. Showers. Seas around 3 ft.
Monday Night
E wind around 15 kt. Showers. Seas around 4 ft.
Tuesday
NE wind around 10 kt. Showers. Seas 4 to 5 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: 4:02 am AKDT Aug 28, 2026
Forecast Valid: 4am AKDT Aug 28, 2026-6pm AKDT Sep 3, 2026
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