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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:Variable winds 5 kt or less. A chance of rain, mainly before 3am.   Seas around 5 ft.

      Low: 39 °F

      Light Wind
      5ft

    • Friday

      Friday:W wind 5 to 10 kt becoming SSW in the afternoon. Rain, mainly after 3pm.   Seas 4 to 5 ft.

      High: 42 °F

      SSW 10kt
      4-5ft

    • Friday Night

      Friday Night:SE wind 5 to 15 kt. Rain before 3am, then rain and snow. The rain and snow could be heavy at times.   Seas 4 to 5 ft.

      Low: 38 °F

      SE 15kt
      4-5ft

    • Saturday

      Saturday:S wind 15 to 20 kt. Rain.   Seas 6 to 8 ft.

      High: 43 °F

      S 20kt
      6-8ft

    • Saturday Night

      Saturday Night:SSE wind 15 to 20 kt becoming E after midnight. Rain before 3am, then rain and snow.   Seas around 8 ft.

      Low: 32 °F

      E 20kt
      8ft

    • Sunday

      Sunday:E wind 20 to 25 kt becoming SSE in the afternoon. Winds could gust as high as 30 kt. Rain and snow, becoming all snow after 3pm.   Seas 8 to 9 ft.

      High: 35 °F

      SSE 25kt
      8-9ft

    • Sunday Night

      Sunday Night:ENE wind 20 to 25 kt, with gusts as high as 30 kt. Snow. The snow could be heavy at times.   Seas 8 to 9 ft.

      Low: 25 °F

      ENE 25kt
      8-9ft

    • Monday

      Monday:NE wind 25 to 30 kt, with gusts as high as 40 kt. Snow. The snow could be heavy at times.   Seas around 9 ft.

      High: 34 °F

      NE 30kt
      9ft

    • Monday Night

      Monday Night:NE wind 25 to 30 kt, with gusts as high as 40 kt. Snow.   Seas 9 to 11 ft.

      Low: 26 °F

      NE 30kt
      9-11ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:57 pm AKST Dec 4, 2025
Forecast Valid: 7pm AKST Dec 4, 2025-6pm AKST Dec 11, 2025

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Detailed Forecast


Synopsis: Departing ridging is resulting in calmer winds over the waters through this evening. Another low will track through the southeastern Gulf & into Haida Gwaii starting tonight into Friday, bringing increasing winds and seas over the southeastern Gulf waters & southern Inner Channels. General low pressure pattern in the Gulf with multiple atmospheric waves up to gale force expected into early next week.

Tonight
Variable winds 5 kt or less. A chance of rain, mainly before 3am. Seas around 5 ft.
Friday
W wind 5 to 10 kt becoming SSW in the afternoon. Rain, mainly after 3pm. Seas 4 to 5 ft.
Friday Night
SE wind 5 to 15 kt. Rain before 3am, then rain and snow. The rain and snow could be heavy at times. Seas 4 to 5 ft.
Saturday
S wind 15 to 20 kt. Rain. Seas 6 to 8 ft.
Saturday Night
SSE wind 15 to 20 kt becoming E after midnight. Rain before 3am, then rain and snow. Seas around 8 ft.
Sunday
E wind 20 to 25 kt becoming SSE in the afternoon. Winds could gust as high as 30 kt. Rain and snow, becoming all snow after 3pm. Seas 8 to 9 ft.
Sunday Night
ENE wind 20 to 25 kt, with gusts as high as 30 kt. Snow. The snow could be heavy at times. Seas 8 to 9 ft.
Monday
NE wind 25 to 30 kt, with gusts as high as 40 kt. Snow. The snow could be heavy at times. Seas around 9 ft.
Monday Night
NE wind 25 to 30 kt, with gusts as high as 40 kt. Snow. Seas 9 to 11 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: 4:57 pm AKST Dec 4, 2025
Forecast Valid: 7pm AKST Dec 4, 2025-6pm AKST Dec 11, 2025
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