For More Weather Information:

Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:WSW wind around 15 kt. Cloudy. Seas around 6 ft.

      Low: 50 °F

      WSW 15kt
      6ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday

      Tuesday:WSW wind around 10 kt. A slight chance of showers between 10am and 1pm.   Seas around 5 ft.

      High: 56 °F

      WSW 10kt
      5ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. A chance of showers after 1am.   Seas 4 to 5 ft.

      Low: 50 °F

      Light Wind
      4-5ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. Showers, mainly after 10am.   Seas around 4 ft.

      High: 57 °F

      Light Wind
      4ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. Showers.   Seas around 4 ft.

      Low: 51 °F

      Light Wind
      4ft

    • Thursday

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

      High: 57 °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


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:43 pm AKDT Aug 17, 2026
Forecast Valid: 10pm AKDT Aug 17, 2026-6pm AKDT Aug 24, 2026

View Nearby Observations

Detailed Forecast

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

Synopsis: A front continues to move south over the panhandle, before exiting tonight. Strong breezes will persist for Lynn Canal, with elsewhere experiencing a downward trend of both winds and seas overnight. Higher pressure settles over the panhandle for the week, resulting in overall lower wind speeds for the inside waters.

Tonight
WSW wind around 15 kt. Cloudy. Seas around 6 ft.
Tuesday
WSW wind around 10 kt. A slight chance of showers between 10am and 1pm. Seas around 5 ft.
Tuesday Night
Variable winds 5 kt or less. A chance of showers after 1am. Seas 4 to 5 ft.
Wednesday
Variable winds 5 kt or less. Showers, mainly after 10am. Seas around 4 ft.
Wednesday Night
Variable winds 5 kt or less. Showers. Seas around 4 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.

*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.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

Point Forecast: 58.2°N 136.63°W
Last Update: 9:43 pm AKDT Aug 17, 2026
Forecast Valid: 10pm AKDT Aug 17, 2026-6pm AKDT Aug 24, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data