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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:SW wind 15 to 20 kt. Rain, mainly between 10pm and 4am.   Seas around 4 ft.

      Low: 39 °F

      SW 20kt
      4ft

    • Monday

      Monday:W wind around 25 kt, with gusts as high as 35 kt. A chance of rain before 7am.   Seas 6 to 8 ft.

      High: 43 °F

      W 25kt
      6-8ft

      Small Craft Advisory
      Small Craft Advisory

    • Monday Night

      Monday Night:W wind 20 to 25 kt, with gusts as high as 30 kt. Showers likely, mainly after 1am.   Seas around 7 ft.

      Low: 39 °F

      W 25kt
      7ft

    • Tuesday

      Tuesday:WSW wind 15 to 20 kt. Showers likely, mainly before 10am.   Seas 6 to 7 ft.

      High: 44 °F

      WSW 20kt
      6-7ft

    • Tuesday Night

      Tuesday Night:WSW wind around 20 kt. A chance of rain before 10pm.   Seas 6 to 7 ft.

      Low: 40 °F

      WSW 20kt
      6-7ft

    • Wednesday

      Wednesday:W wind around 15 kt. A chance of rain after 10am.   Seas 5 to 6 ft.

      High: 44 °F

      W 15kt
      5-6ft

    • Wednesday Night

      Wednesday Night:W wind 10 to 15 kt. A chance of rain before 10pm.   Seas around 4 ft.

      Low: 42 °F

      W 15kt
      4ft

    • Thursday

      Thursday:Variable winds 5 kt or less. A chance of rain.   Seas around 3 ft.

      High: 45 °F

      Light Wind
      3ft

    • Thursday Night

      Thursday Night:WSW wind around 10 kt. A chance of rain.   Seas 4 to 5 ft.

      Low: 41 °F

      WSW 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: 2:33 pm AKDT Apr 19, 2026
Forecast Valid: 7pm AKDT Apr 19, 2026-6pm AKDT Apr 26, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH THIS EVENING...

Synopsis: High pressure over the area will give way this evening to a weak low moving through the northern Gulf through Monday. High pressure then returns to the area before a second, weak low moves across the northern Gulf for Tuesday followed by high pressure building in for the middle of the week.

Tonight
SW wind 15 to 20 kt. Rain, mainly between 10pm and 4am. Seas around 4 ft.
Monday
W wind around 25 kt, with gusts as high as 35 kt. A chance of rain before 7am. Seas 6 to 8 ft.
Monday Night
W wind 20 to 25 kt, with gusts as high as 30 kt. Showers likely, mainly after 1am. Seas around 7 ft.
Tuesday
WSW wind 15 to 20 kt. Showers likely, mainly before 10am. Seas 6 to 7 ft.
Tuesday Night
WSW wind around 20 kt. A chance of rain before 10pm. Seas 6 to 7 ft.
Wednesday
W wind around 15 kt. A chance of rain after 10am. Seas 5 to 6 ft.
Wednesday Night
W wind 10 to 15 kt. A chance of rain before 10pm. Seas around 4 ft.
Thursday
Variable winds 5 kt or less. A chance of rain. Seas around 3 ft.
Thursday Night
WSW wind around 10 kt. A chance of rain. 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: 2:33 pm AKDT Apr 19, 2026
Forecast Valid: 7pm AKDT Apr 19, 2026-6pm AKDT Apr 26, 2026
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