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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

    • Overnight

      Overnight:Variable winds 5 kt or less. A chance of showers, mainly before 1am. Seas 2 to 3 ft.

      Low: 50 °F

      Light Wind
      2-3ft

    • Thursday

      Thursday:NE wind 5 to 10 kt becoming W in the afternoon. Mostly sunny. Seas around 2 ft.

      High: 56 °F

      W 10kt
      2ft

    • Thursday Night

      Thursday Night:NW wind 5 to 10 kt. Mostly clear. Seas around 3 ft.

      Low: 49 °F

      NW 10kt
      3ft

    • Friday

      Friday:Variable winds 5 kt or less. A chance of rain after 1pm. Seas around 3 ft.

      High: 57 °F

      Light Wind
      3ft

    • Friday Night

      Friday Night:SW wind around 10 kt becoming SSE after midnight. Rain, mainly after 7pm. Seas around 3 ft.

      Low: 51 °F

      SW 10kt
      3ft

    • Saturday

      Saturday:E wind around 10 kt. Rain. Seas around 5 ft.

      High: 56 °F

      E 10kt
      5ft

    • Saturday Night

      Saturday Night:E wind 5 to 10 kt. Rain. Seas 4 to 5 ft.

      Low: 51 °F

      E 10kt
      4-5ft

    • Sunday

      Sunday:Variable winds 5 kt or less. Rain. Seas around 4 ft.

      High: 57 °F

      Light Wind
      4ft

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. Rain likely. Seas around 4 ft.

      Low: 50 °F

      Light Wind
      4ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:36 pm AKDT Aug 26, 2026
Forecast Valid: 12am AKDT Aug 27, 2026-6pm AKDT Sep 2, 2026

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Detailed Forecast


Synopsis: Weak low pressure will move southward in the Gulf of Alaska through tonight. Fog is expected Thursday morning, especially across the southern inner channels. Seas gradually build Thursday into Friday.

Overnight
Variable winds 5 kt or less. A chance of showers, mainly before 1am. Seas 2 to 3 ft.
Thursday
NE wind 5 to 10 kt becoming W in the afternoon. Mostly sunny. Seas around 2 ft.
Thursday Night
NW wind 5 to 10 kt. Mostly clear. Seas around 3 ft.
Friday
Variable winds 5 kt or less. A chance of rain after 1pm. Seas around 3 ft.
Friday Night
SW wind around 10 kt becoming SSE after midnight. Rain, mainly after 7pm. Seas around 3 ft.
Saturday
E wind around 10 kt. Rain. Seas around 5 ft.
Saturday Night
E wind 5 to 10 kt. Rain. Seas 4 to 5 ft.
Sunday
Variable winds 5 kt or less. Rain. Seas around 4 ft.
Sunday Night
Variable winds 5 kt or less. Rain likely. Seas around 4 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: 8:36 pm AKDT Aug 26, 2026
Forecast Valid: 12am AKDT Aug 27, 2026-6pm AKDT Sep 2, 2026
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