For More Weather Information:

Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:Variable winds 5 kt or less. Showers, with thunderstorms also possible after 10pm.   Seas 6 to 7 ft.

      Low: 40 °F

      Light Wind
      6-7ft

      Small Craft Advisory
      Small Craft Advisory

    • Thursday

      Thursday:E wind around 10 kt. Showers likely.   Seas around 6 ft.

      High: 45 °F

      E 10kt
      6ft

      Small Craft Advisory
      Small Craft Advisory

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. Showers likely, mainly before 4am.   Seas around 5 ft.

      Low: 39 °F

      Light Wind
      5ft

    • Friday

      Friday:ENE wind 5 to 10 kt. A chance of showers before 10am.   Seas around 4 ft.

      High: 45 °F

      ENE 10kt
      4ft

    • Friday Night

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

      Low: 39 °F

      Light Wind
      3ft

    • Saturday

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

      High: 45 °F

      Light Wind
      2ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Mostly clear. Seas 3 to 4 ft.

      Low: 39 °F

      Light Wind
      3-4ft

    • Sunday

      Sunday:Variable winds 5 kt or less. Mostly sunny. Seas around 4 ft.

      High: 45 °F

      Light Wind
      4ft

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. Mostly cloudy. Seas around 3 ft.

      Low: 40 °F

      Light Wind
      3ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:17 pm AKDT Oct 21, 2026
Forecast Valid: 9pm AKDT Oct 21, 2026-6pm AKDT Oct 28, 2026

View Nearby Observations

Detailed Forecast


Synopsis: A broad area of low pressure over the northern Gulf of Alaska will keep a general southerly to easterly flow going over the inside waters of southeast Alaska through Thursday. A northern wind shift expected late Thursday as high pressure builds south out of Canada.

Tonight
Variable winds 5 kt or less. Showers, with thunderstorms also possible after 10pm. Seas 6 to 7 ft.
Thursday
E wind around 10 kt. Showers likely. Seas around 6 ft.
Thursday Night
Variable winds 5 kt or less. Showers likely, mainly before 4am. Seas around 5 ft.
Friday
ENE wind 5 to 10 kt. A chance of showers before 10am. Seas around 4 ft.
Friday Night
Variable winds 5 kt or less. Clear. Seas around 3 ft.
Saturday
Variable winds 5 kt or less. Sunny. Seas around 2 ft.
Saturday Night
Variable winds 5 kt or less. Mostly clear. Seas 3 to 4 ft.
Sunday
Variable winds 5 kt or less. Mostly sunny. Seas around 4 ft.
Sunday Night
Variable winds 5 kt or less. Mostly cloudy. Seas around 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: 3:17 pm AKDT Oct 21, 2026
Forecast Valid: 9pm AKDT Oct 21, 2026-6pm AKDT Oct 28, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data