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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • Thursday

      Thursday:SSW wind 10 to 15 kt increasing to 20 to 25 kt in the afternoon. Winds could gust as high as 35 kt. Snow showers.   Seas 7 to 8 ft.

      High: 36 °F

      ⇑SSW 25kt
      7-8ft

      Small Craft Advisory
      Small Craft Advisory

    • Thursday Night

      Thursday Night:SW wind 15 to 20 kt decreasing to 10 to 15 kt after midnight. Snow showers.   Seas around 7 ft.

      Low: 29 °F

      SW 20kt⇓
      7ft

    • Friday

      Friday:ENE wind around 10 kt. Snow showers.   Seas around 6 ft.

      High: 36 °F

      ENE 10kt
      6ft

    • Friday Night

      Friday Night:E wind 15 to 20 kt. Snow showers.   Seas around 5 ft.

      Low: 31 °F

      E 20kt
      5ft

    • Saturday

      Saturday:ENE wind 20 to 25 kt, with gusts as high as 35 kt. Rain and snow.   Seas around 6 ft.

      High: 37 °F

      ENE 25kt
      6ft

    • Saturday Night

      Saturday Night:E wind 15 to 25 kt, with gusts as high as 30 kt. Snow.   Seas around 6 ft.

      Low: 33 °F

      E 25kt
      6ft

    • Sunday

      Sunday:ENE wind 15 to 20 kt becoming ESE in the morning. Snow.   Seas 7 to 8 ft.

      High: 36 °F

      ESE 20kt
      7-8ft

    • Sunday Night

      Sunday Night:ENE wind 15 to 20 kt. Snow likely.   Seas around 6 ft.

      Low: 32 °F

      ENE 20kt
      6ft

    • Monday

      Monday:ESE wind 15 to 20 kt. A chance of snow.   Seas around 5 ft.

      High: 35 °F

      ESE 20kt
      5ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:26 pm AKDT Mar 18, 2026
Forecast Valid: 2am AKDT Mar 19, 2026-6pm AKDT Mar 25, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

Synopsis: A low in the northern Gulf will send numerous waves of showers, mainly snow showers, with persistent South to southwesterly winds across the Gulf and inner channels through late week. These showers can create infrequent times of slightly increased wind gusts. A gale force low will move into the Central Gulf this weekend from the West.

Thursday
SSW wind 10 to 15 kt increasing to 20 to 25 kt in the afternoon. Winds could gust as high as 35 kt. Snow showers. Seas 7 to 8 ft.
Thursday Night
SW wind 15 to 20 kt decreasing to 10 to 15 kt after midnight. Snow showers. Seas around 7 ft.
Friday
ENE wind around 10 kt. Snow showers. Seas around 6 ft.
Friday Night
E wind 15 to 20 kt. Snow showers. Seas around 5 ft.
Saturday
ENE wind 20 to 25 kt, with gusts as high as 35 kt. Rain and snow. Seas around 6 ft.
Saturday Night
E wind 15 to 25 kt, with gusts as high as 30 kt. Snow. Seas around 6 ft.
Sunday
ENE wind 15 to 20 kt becoming ESE in the morning. Snow. Seas 7 to 8 ft.
Sunday Night
ENE wind 15 to 20 kt. Snow likely. Seas around 6 ft.
Monday
ESE wind 15 to 20 kt. A chance of snow. Seas around 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: 9:26 pm AKDT Mar 18, 2026
Forecast Valid: 2am AKDT Mar 19, 2026-6pm AKDT Mar 25, 2026
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