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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:Variable winds 5 kt or less. Mostly cloudy. Seas around 2 ft.

      Low: 49 °F

      Light Wind
      2ft

    • Tuesday

      Tuesday:WSW wind 5 to 10 kt. A slight chance of showers after 1pm.   Seas around 3 ft.

      High: 55 °F

      WSW 10kt
      3ft

    • Tuesday Night

      Tuesday Night:W wind around 15 kt. Showers, mainly after 10pm.   Seas 4 to 5 ft.

      Low: 50 °F

      W 15kt
      4-5ft

    • Wednesday

      Wednesday:WSW wind around 20 kt. Showers.   Seas 5 to 7 ft.

      High: 57 °F

      WSW 20kt
      5-7ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday Night

      Wednesday Night:WSW wind 5 to 15 kt. A chance of showers.   Seas 4 to 5 ft.

      Low: 48 °F

      WSW 15kt
      4-5ft

    • Thursday

      Thursday:Variable winds 5 kt or less. A chance of rain.   Seas 3 to 4 ft.

      High: 54 °F

      Light Wind
      3-4ft

    • Thursday Night

      Thursday Night:Variable winds less than 5 kt becoming ENE 5 to 10 kt in the evening. Rain, mainly after 1am.   Seas 3 to 4 ft.

      Low: 48 °F

      ⇑ENE 10kt
      3-4ft

    • Friday

      Friday:ENE wind 15 to 20 kt. Rain. The rain could be heavy at times.   Seas around 5 ft.

      High: 54 °F

      ENE 20kt
      5ft

    • Friday Night

      Friday Night:E wind 15 to 20 kt becoming S 10 to 15 kt in the evening. Rain. The rain could be heavy at times.   Seas 4 to 5 ft.

      Low: 48 °F

      E 20kt⇓
      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: 10:03 pm AKDT Sep 14, 2026
Forecast Valid: 10pm AKDT Sep 14, 2026-6pm AKDT Sep 21, 2026

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Detailed Forecast


Synopsis: High pressure in the Gulf of Alaska shifts east as the next system moves in from the AK Peninsula into the northern panhandle Tuesday into Wednesday. Northwesterly flow along the coast is expected to shift to west-southwesterly during this transit, with predominately southerlies within the inner channels. Seas building to 8 to 11 feet in the Gulf before diminishing through midweek.

Tonight
Variable winds 5 kt or less. Mostly cloudy. Seas around 2 ft.
Tuesday
WSW wind 5 to 10 kt. A slight chance of showers after 1pm. Seas around 3 ft.
Tuesday Night
W wind around 15 kt. Showers, mainly after 10pm. Seas 4 to 5 ft.
Wednesday
WSW wind around 20 kt. Showers. Seas 5 to 7 ft.
Wednesday Night
WSW wind 5 to 15 kt. A chance of showers. Seas 4 to 5 ft.
Thursday
Variable winds 5 kt or less. A chance of rain. Seas 3 to 4 ft.
Thursday Night
Variable winds less than 5 kt becoming ENE 5 to 10 kt in the evening. Rain, mainly after 1am. Seas 3 to 4 ft.
Friday
ENE wind 15 to 20 kt. Rain. The rain could be heavy at times. Seas around 5 ft.
Friday Night
E wind 15 to 20 kt becoming S 10 to 15 kt in the evening. Rain. The rain could be heavy at times. 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: 10:03 pm AKDT Sep 14, 2026
Forecast Valid: 10pm AKDT Sep 14, 2026-6pm AKDT Sep 21, 2026
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