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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • Today

      Today:WSW wind around 15 kt becoming SE in the afternoon. A slight chance of rain before noon.   Seas 7 to 9 ft.

      High: 42 °F

      WSW 15kt
      7-9ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:ENE wind 15 to 25 kt. Rain, mainly after 9pm. The rain could be heavy at times.   Seas 7 to 9 ft.

      Low: 37 °F

      ENE 25kt
      7-9ft

    • Thursday

      Thursday:ESE wind 20 to 30 kt becoming S in the afternoon. Winds could gust as high as 40 kt. Rain.   Seas 12 ft building to 18 ft.

      High: 42 °F

      S 30kt
      Waves Building18ft

    • Thursday Night

      Thursday Night:S wind 20 to 30 kt becoming WSW 10 to 20 kt after midnight. Winds could gust as high as 35 kt. Rain.   Seas 17 ft subsiding to 10 ft.

      Low: 37 °F

      S 30kt⇓
      17ftWaves Subsiding

    • Friday

      Friday:WSW wind 5 to 10 kt becoming SE in the afternoon. Rain, mainly before 3pm.   Seas 7 to 9 ft.

      High: 41 °F

      WSW 10kt
      7-9ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. A chance of rain before 9pm, then a chance of rain and snow after 3am.   Seas around 7 ft.

      Low: 36 °F

      Light Wind
      7ft

    • Saturday

      Saturday:WSW wind 5 to 10 kt. A chance of rain and snow before 3pm, then rain likely.   Seas 6 to 7 ft.

      High: 40 °F

      WSW 10kt
      6-7ft

    • Saturday Night

      Saturday Night:WSW wind around 10 kt becoming E after midnight. Rain before 3am, then rain and snow.   Seas 5 to 6 ft.

      Low: 35 °F

      WSW 10kt
      5-6ft

    • Sunday

      Sunday:E wind 10 to 15 kt becoming NNE in the afternoon. Rain and snow, mainly before 3pm.   Seas 5 ft building to 8 ft.

      High: 38 °F

      NNE 15kt
      Waves Building8ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 10:17 pm AKST Feb 10, 2026
Forecast Valid: 5am AKST Feb 11, 2026-6pm AKST Feb 17, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH LATE TONIGHT...

Synopsis: A stronger system moves in Wednesday night increasing winds to storm force for much of our coastal zones. Seas are expected to build 35 to 40 ft along the eastern gulf of Alaska by Thursday.

Today
WSW wind around 15 kt becoming SE in the afternoon. A slight chance of rain before noon. Seas 7 to 9 ft.
Tonight
ENE wind 15 to 25 kt. Rain, mainly after 9pm. The rain could be heavy at times. Seas 7 to 9 ft.
Thursday
ESE wind 20 to 30 kt becoming S in the afternoon. Winds could gust as high as 40 kt. Rain. Seas 12 ft building to 18 ft.
Thursday Night
S wind 20 to 30 kt becoming WSW 10 to 20 kt after midnight. Winds could gust as high as 35 kt. Rain. Seas 17 ft subsiding to 10 ft.
Friday
WSW wind 5 to 10 kt becoming SE in the afternoon. Rain, mainly before 3pm. Seas 7 to 9 ft.
Friday Night
Variable winds 5 kt or less. A chance of rain before 9pm, then a chance of rain and snow after 3am. Seas around 7 ft.
Saturday
WSW wind 5 to 10 kt. A chance of rain and snow before 3pm, then rain likely. Seas 6 to 7 ft.
Saturday Night
WSW wind around 10 kt becoming E after midnight. Rain before 3am, then rain and snow. Seas 5 to 6 ft.
Sunday
E wind 10 to 15 kt becoming NNE in the afternoon. Rain and snow, mainly before 3pm. Seas 5 ft building to 8 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: 10:17 pm AKST Feb 10, 2026
Forecast Valid: 5am AKST Feb 11, 2026-6pm AKST Feb 17, 2026
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