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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • Today

      Today:SW wind around 10 kt. A chance of rain before 1pm.   Seas around 5 ft.

      High: 58 °F

      SW 10kt
      5ft

    • Tonight

      Tonight:Variable winds 5 kt or less. A chance of rain, mainly after 10pm.   Seas 4 to 5 ft.

      Low: 52 °F

      Light Wind
      4-5ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. Rain likely, mainly after 10am.   Seas 3 to 4 ft.

      High: 55 °F

      Light Wind
      3-4ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. Rain.   Seas around 3 ft.

      Low: 51 °F

      Light Wind
      3ft

    • Thursday

      Thursday:Variable winds 5 kt or less. Rain. The rain could be heavy at times.   Seas around 3 ft.

      High: 55 °F

      Light Wind
      3ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. Rain. The rain could be heavy at times.   Seas around 3 ft.

      Low: 52 °F

      Light Wind
      3ft

    • Friday

      Friday:Variable winds 5 kt or less. Rain.   Seas around 3 ft.

      High: 58 °F

      Light Wind
      3ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. A chance of rain.   Seas 2 to 3 ft.

      Low: 51 °F

      Light Wind
      2-3ft

    • Saturday

      Saturday:Variable winds 5 kt or less. Rain likely.   Seas around 2 ft.

      High: 57 °F

      Light Wind
      2ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:40 am AKDT Aug 18, 2026
Forecast Valid: 9am AKDT Aug 18, 2026-6pm AKDT Aug 24, 2026

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Detailed Forecast


Synopsis: Strong breezes will persist for Lynn Canal, with general downward trends in winds and seas elsewhere aside from a lingering westerly swell in the gulf. Higher pressure settles over the panhandle through midweek, resulting in overall lower wind speeds for the inside waters.

Today
SW wind around 10 kt. A chance of rain before 1pm. Seas around 5 ft.
Tonight
Variable winds 5 kt or less. A chance of rain, mainly after 10pm. Seas 4 to 5 ft.
Wednesday
Variable winds 5 kt or less. Rain likely, mainly after 10am. Seas 3 to 4 ft.
Wednesday Night
Variable winds 5 kt or less. Rain. Seas around 3 ft.
Thursday
Variable winds 5 kt or less. Rain. The rain could be heavy at times. Seas around 3 ft.
Thursday Night
Variable winds 5 kt or less. Rain. The rain could be heavy at times. Seas around 3 ft.
Friday
Variable winds 5 kt or less. Rain. Seas around 3 ft.
Friday Night
Variable winds 5 kt or less. A chance of rain. Seas 2 to 3 ft.
Saturday
Variable winds 5 kt or less. Rain likely. Seas around 2 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: 9:40 am AKDT Aug 18, 2026
Forecast Valid: 9am AKDT Aug 18, 2026-6pm AKDT Aug 24, 2026
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