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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • Today

      Today:NE wind around 20 kt. A chance of snow showers.   Seas around 5 ft.

      High: 30 °F

      NE 20kt
      5ft

    • Tonight

      Tonight:NE wind around 20 kt becoming ESE after midnight. A chance of snow showers.  Widespread freezing spray after 1am.  Seas around 5 ft.

      Low: 24 °F

      ESE 20kt
      5ft

    • Wednesday

      Wednesday:NE wind around 25 kt, with gusts as high as 35 kt. A slight chance of snow before 10am.  Widespread freezing spray before 7am.  Seas around 5 ft.

      High: 27 °F

      NE 25kt
      5ft

    • Wednesday Night

      Wednesday Night:NE wind around 25 kt, with gusts as high as 35 kt. Widespread freezing spray after 10pm. Mostly cloudy. Seas around 5 ft.

      Low: 21 °F

      NE 25kt
      5ft

    • Thursday

      Thursday:NE wind around 25 kt, with gusts as high as 35 kt. Widespread freezing spray before 1pm. Partly sunny. Seas around 5 ft.

      High: 26 °F

      NE 25kt
      5ft

    • Thursday Night

      Thursday Night:ENE wind around 20 kt. Widespread freezing spray after 7pm. Partly cloudy. Seas around 4 ft.

      Low: 22 °F

      ENE 20kt
      4ft

    • Friday

      Friday:ENE wind around 20 kt. Widespread freezing spray before 1pm. Mostly sunny. Seas around 4 ft.

      High: 29 °F

      ENE 20kt
      4ft

    • Friday Night

      Friday Night:ENE wind around 15 kt. Widespread freezing spray after 1am. Partly cloudy. Seas around 3 ft.

      Low: 22 °F

      ENE 15kt
      3ft

    • Saturday

      Saturday:ENE wind around 15 kt. Widespread freezing spray before 10am. Partly sunny. Seas around 3 ft.

      High: 32 °F

      ENE 15kt
      3ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:15 am AKDT Mar 10, 2026
Forecast Valid: 11am AKDT Mar 10, 2026-6pm AKDT Mar 16, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY LATE TONIGHT...

Synopsis: Outflow conditions are developing and will continue to increase through Thursday. Gales with increasing waves up to 10+ ft are possible for Lynn Canal by Wednesday. Snow showers will continue along the Icy Strait corridor on south, which could briefly reduce visibility to a mile or less.

Today
NE wind around 20 kt. A chance of snow showers. Seas around 5 ft.
Tonight
NE wind around 20 kt becoming ESE after midnight. A chance of snow showers. Widespread freezing spray after 1am. Seas around 5 ft.
Wednesday
NE wind around 25 kt, with gusts as high as 35 kt. A slight chance of snow before 10am. Widespread freezing spray before 7am. Seas around 5 ft.
Wednesday Night
NE wind around 25 kt, with gusts as high as 35 kt. Widespread freezing spray after 10pm. Mostly cloudy. Seas around 5 ft.
Thursday
NE wind around 25 kt, with gusts as high as 35 kt. Widespread freezing spray before 1pm. Partly sunny. Seas around 5 ft.
Thursday Night
ENE wind around 20 kt. Widespread freezing spray after 7pm. Partly cloudy. Seas around 4 ft.
Friday
ENE wind around 20 kt. Widespread freezing spray before 1pm. Mostly sunny. Seas around 4 ft.
Friday Night
ENE wind around 15 kt. Widespread freezing spray after 1am. Partly cloudy. Seas around 3 ft.
Saturday
ENE wind around 15 kt. Widespread freezing spray before 10am. Partly 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: 6:15 am AKDT Mar 10, 2026
Forecast Valid: 11am AKDT Mar 10, 2026-6pm AKDT Mar 16, 2026
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