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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:SW wind around 15 kt, with gusts as high as 30 kt. Showers likely, then showers and possibly a thunderstorm after 10pm.   Seas 11 to 13 ft.

      Low: 44 °F

      SW 15kt
      11-13ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday

      Wednesday:WSW wind 10 to 15 kt. Showers and possibly a thunderstorm.   Seas 9 to 10 ft.

      High: 47 °F

      WSW 15kt
      9-10ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday Night

      Wednesday Night:WSW wind around 10 kt becoming E after midnight. Showers and possibly a thunderstorm.   Seas around 8 ft.

      Low: 42 °F

      WSW 10kt
      8ft

      Small Craft Advisory
      Small Craft Advisory

    • Thursday

      Thursday:E wind around 10 kt. Showers.   Seas 6 to 7 ft.

      High: 45 °F

      E 10kt
      6-7ft

      Small Craft Advisory
      Small Craft Advisory

    • Thursday Night

      Thursday Night:ESE wind around 10 kt. Showers before 4am.   Seas around 5 ft.

      Low: 40 °F

      ESE 10kt
      5ft

    • Friday

      Friday:ESE wind around 10 kt. Mostly sunny. Seas around 4 ft.

      High: 45 °F

      ESE 10kt
      4ft

    • Friday Night

      Friday Night:ESE wind around 10 kt. Mostly clear. Seas around 3 ft.

      Low: 38 °F

      ESE 10kt
      3ft

    • Saturday

      Saturday:ESE wind around 10 kt. Sunny. Seas around 3 ft.

      High: 45 °F

      ESE 10kt
      3ft

    • Saturday Night

      Saturday Night:ESE wind around 10 kt. Partly cloudy. Seas 4 to 5 ft.

      Low: 39 °F

      ESE 10kt
      4-5ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:26 pm AKDT Oct 20, 2026
Forecast Valid: 7pm AKDT Oct 20, 2026-6pm AKDT Oct 27, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

Synopsis: The second front sweeps east across the eastern gulf and Panhandle Tuesday. Drier weather overall, with Cooler air aloft will prep atmosphere for more potential Thunder near the coastline over the north Gulf Tuesday evening to Wednesday.

Tonight
SW wind around 15 kt, with gusts as high as 30 kt. Showers likely, then showers and possibly a thunderstorm after 10pm. Seas 11 to 13 ft.
Wednesday
WSW wind 10 to 15 kt. Showers and possibly a thunderstorm. Seas 9 to 10 ft.
Wednesday Night
WSW wind around 10 kt becoming E after midnight. Showers and possibly a thunderstorm. Seas around 8 ft.
Thursday
E wind around 10 kt. Showers. Seas 6 to 7 ft.
Thursday Night
ESE wind around 10 kt. Showers before 4am. Seas around 5 ft.
Friday
ESE wind around 10 kt. Mostly sunny. Seas around 4 ft.
Friday Night
ESE wind around 10 kt. Mostly clear. Seas around 3 ft.
Saturday
ESE wind around 10 kt. Sunny. Seas around 3 ft.
Saturday Night
ESE wind around 10 kt. Partly cloudy. Seas 4 to 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: 3:26 pm AKDT Oct 20, 2026
Forecast Valid: 7pm AKDT Oct 20, 2026-6pm AKDT Oct 27, 2026
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