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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • Today

      Today:ENE wind around 15 kt. A slight chance of showers before 10am.   Seas around 4 ft.

      High: 45 °F

      ENE 15kt
      4ft

    • Tonight

      Tonight:NE wind around 10 kt. Mostly clear. Seas around 3 ft.

      Low: 39 °F

      NE 10kt
      3ft

    • Saturday

      Saturday:Variable winds 5 kt or less. Sunny. Seas around 2 ft.

      High: 46 °F

      Light Wind
      2ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Mostly clear. Seas around 3 ft.

      Low: 40 °F

      Light Wind
      3ft

    • Sunday

      Sunday:Variable winds 5 kt or less. Mostly sunny. Seas 2 to 3 ft.

      High: 45 °F

      Light Wind
      2-3ft

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. Mostly cloudy. Seas around 2 ft.

      Low: 40 °F

      Light Wind
      2ft

    • Monday

      Monday:Variable winds 5 kt or less. Mostly sunny. Seas 2 to 3 ft.

      High: 46 °F

      Light Wind
      2-3ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. Mostly clear. Seas around 3 ft.

      Low: 41 °F

      Light Wind
      3ft

    • Tuesday

      Tuesday:Variable winds 5 kt or less. Sunny. Seas around 3 ft.

      High: 48 °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: 6:25 am AKDT Oct 23, 2026
Forecast Valid: 7am AKDT Oct 23, 2026-6pm AKDT Oct 29, 2026

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Detailed Forecast


Synopsis: A compact low develops and moves 220NM SW of Sitka Sound through Friday morning. Gulf and coastal waters turn northerly through Saturday morning as a bigger and strong low pressure moving 200 SW of Haida Gwaii. Winds across inner channels turn northerly through Friday afternoon and increase up to strong breeze out of the north in north/south oriented channels on Saturday. High pressure moves across the Gulf and inner channels on Sunday with gradually diminishing winds and seas.

Today
ENE wind around 15 kt. A slight chance of showers before 10am. Seas around 4 ft.
Tonight
NE wind around 10 kt. Mostly clear. Seas around 3 ft.
Saturday
Variable winds 5 kt or less. Sunny. Seas around 2 ft.
Saturday Night
Variable winds 5 kt or less. Mostly clear. Seas around 3 ft.
Sunday
Variable winds 5 kt or less. Mostly sunny. Seas 2 to 3 ft.
Sunday Night
Variable winds 5 kt or less. Mostly cloudy. Seas around 2 ft.
Monday
Variable winds 5 kt or less. Mostly sunny. Seas 2 to 3 ft.
Monday Night
Variable winds 5 kt or less. Mostly clear. Seas around 3 ft.
Tuesday
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: 6:25 am AKDT Oct 23, 2026
Forecast Valid: 7am AKDT Oct 23, 2026-6pm AKDT Oct 29, 2026
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