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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:W wind 5 to 10 kt. Mostly clear. Seas around 4 ft.

      Low: 38 °F

      W 10kt
      4ft

    • Wednesday

      Wednesday:WSW wind 5 to 10 kt. Sprinkles between 10am and 1pm, then a chance of showers after 1pm.   Seas around 3 ft.

      High: 42 °F

      WSW 10kt
      3ft

    • Wednesday Night

      Wednesday Night:SW wind around 15 kt. A chance of rain.   Seas around 4 ft.

      Low: 38 °F

      SW 15kt
      4ft

    • Thursday

      Thursday:SSW wind around 10 kt. Rain likely.   Seas 3 to 4 ft.

      High: 42 °F

      SSW 10kt
      3-4ft

    • Thursday Night

      Thursday Night:SSW wind around 15 kt. Rain.   Seas around 4 ft.

      Low: 40 °F

      SSW 15kt
      4ft

    • Friday

      Friday:S wind around 15 kt becoming SE in the morning. Rain.   Seas around 4 ft.

      High: 42 °F

      S 15kt
      4ft

    • Friday Night

      Friday Night:E wind around 15 kt. Rain.   Seas 4 to 5 ft.

      Low: 39 °F

      E 15kt
      4-5ft

    • Saturday

      Saturday:ESE wind around 15 kt. Rain.   Seas 4 to 5 ft.

      High: 42 °F

      ESE 15kt
      4-5ft

    • Saturday Night

      Saturday Night:E wind 10 to 15 kt becoming NNE in the evening. Rain.   Seas 4 to 5 ft.

      Low: 39 °F

      NNE 15kt
      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: 4:26 pm AKDT Apr 14, 2026
Forecast Valid: 9pm AKDT Apr 14, 2026-6pm AKDT Apr 21, 2026

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Detailed Forecast


Synopsis: Weak low pressure system dissipating over the southern Alaska Panhandle tonight will shift east into British Columbia by Wednesday. High pressure building east over the eastern Gulf of Alaska will strengthen northerly flow over the eastern Gulf and some inside waters of southeast Alaska tonight into Wednesday. As high pressure builds east then weakens, another weak low pressure system moves into the far northern Gulf of Alaska Thursday into Friday.

Tonight
W wind 5 to 10 kt. Mostly clear. Seas around 4 ft.
Wednesday
WSW wind 5 to 10 kt. Sprinkles between 10am and 1pm, then a chance of showers after 1pm. Seas around 3 ft.
Wednesday Night
SW wind around 15 kt. A chance of rain. Seas around 4 ft.
Thursday
SSW wind around 10 kt. Rain likely. Seas 3 to 4 ft.
Thursday Night
SSW wind around 15 kt. Rain. Seas around 4 ft.
Friday
S wind around 15 kt becoming SE in the morning. Rain. Seas around 4 ft.
Friday Night
E wind around 15 kt. Rain. Seas 4 to 5 ft.
Saturday
ESE wind around 15 kt. Rain. Seas 4 to 5 ft.
Saturday Night
E wind 10 to 15 kt becoming NNE in the evening. 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: 4:26 pm AKDT Apr 14, 2026
Forecast Valid: 9pm AKDT Apr 14, 2026-6pm AKDT Apr 21, 2026
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