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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • Wednesday

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

      High: 27 °F

      NE 25kt
      5ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday Night

      Wednesday Night:NE wind around 25 kt, with gusts as high as 35 kt. Mostly cloudy. Seas around 5 ft.

      Low: 24 °F

      NE 25kt
      5ft

    • Thursday

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

      High: 26 °F

      NE 20kt
      4ft

    • Thursday Night

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

      Low: 21 °F

      NE 20kt
      4ft

    • Friday

      Friday:NE wind 15 to 20 kt. Widespread freezing spray before 1pm. Sunny. Seas 3 to 4 ft.

      High: 29 °F

      NE 20kt
      3-4ft

    • Friday Night

      Friday Night:ENE wind 10 to 15 kt. Widespread freezing spray after 1am. Partly cloudy. Seas around 3 ft.

      Low: 21 °F

      ENE 15kt
      3ft

    • Saturday

      Saturday:ENE wind around 10 kt. Partly sunny. Seas 2 to 3 ft.

      High: 31 °F

      ENE 10kt
      2-3ft

    • Saturday Night

      Saturday Night:E wind around 10 kt. A chance of snow.   Seas 2 to 3 ft.

      Low: 21 °F

      E 10kt
      2-3ft

    • Sunday

      Sunday:E wind 15 to 20 kt. A chance of snow.   Seas around 3 ft.

      High: 36 °F

      E 20kt
      3ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 12:16 am AKDT Mar 11, 2026
Forecast Valid: 2am AKDT Mar 11, 2026-6pm AKDT Mar 17, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

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.

Wednesday
NE wind around 25 kt, with gusts as high as 35 kt. A slight chance of snow showers before 7am. Seas around 5 ft.
Wednesday Night
NE wind around 25 kt, with gusts as high as 35 kt. Mostly cloudy. Seas around 5 ft.
Thursday
NE wind around 20 kt. Widespread freezing spray before 1pm. Mostly sunny. Seas around 4 ft.
Thursday Night
NE wind around 20 kt. Widespread freezing spray after 7pm. Partly cloudy. Seas around 4 ft.
Friday
NE wind 15 to 20 kt. Widespread freezing spray before 1pm. Sunny. Seas 3 to 4 ft.
Friday Night
ENE wind 10 to 15 kt. Widespread freezing spray after 1am. Partly cloudy. Seas around 3 ft.
Saturday
ENE wind around 10 kt. Partly sunny. Seas 2 to 3 ft.
Saturday Night
E wind around 10 kt. A chance of snow. Seas 2 to 3 ft.
Sunday
E wind 15 to 20 kt. A chance of snow. 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: 12:16 am AKDT Mar 11, 2026
Forecast Valid: 2am AKDT Mar 11, 2026-6pm AKDT Mar 17, 2026
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