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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:W wind around 10 kt. Widespread dense fog, mainly before 4pm.  Seas around 3 ft.

      High: 58 °F

      W 10kt
      3ft

    • Tonight

      Tonight:W wind around 15 kt. A slight chance of rain after 10pm.  Patchy dense fog before 10pm, then Widespread dense fog after 4am.  Seas around 3 ft.

      Low: 51 °F

      W 15kt
      3ft

    • Monday

      Monday:W wind around 10 kt. A slight chance of rain before 10am.  Widespread fog before 7am.  Seas around 3 ft.

      High: 57 °F

      W 10kt
      3ft

    • Monday Night

      Monday Night:W wind 10 to 15 kt. Mostly cloudy. Seas around 4 ft.

      Low: 50 °F

      W 15kt
      4ft

    • Tuesday

      Tuesday:W wind 5 to 10 kt. Mostly cloudy. Seas around 3 ft.

      High: 57 °F

      W 10kt
      3ft

    • Tuesday Night

      Tuesday Night:WSW wind 10 to 15 kt. Mostly cloudy. Seas around 3 ft.

      Low: 50 °F

      WSW 15kt
      3ft

    • Wednesday

      Wednesday:W wind 5 to 15 kt. Cloudy. Seas around 3 ft.

      High: 58 °F

      W 15kt
      3ft

    • Wednesday Night

      Wednesday Night:W wind 10 to 15 kt. Mostly cloudy. Seas around 3 ft.

      Low: 50 °F

      W 15kt
      3ft

    • Thursday

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

      High: 58 °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: 3:12 pm AKDT Aug 2, 2026
Forecast Valid: 3pm AKDT Aug 2, 2026-6pm AKDT Aug 8, 2026

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Detailed Forecast

...DENSE FOG ADVISORY THROUGH THIS EVENING...

Synopsis: High pressure continues to dominate coastal waters into the week, with daily seabreezes and a nightly marine layer. Areas of fog is likely near Cross Sound Sunday night into Monday.

This Afternoon
W wind around 10 kt. Widespread dense fog, mainly before 4pm. Seas around 3 ft.
Tonight
W wind around 15 kt. A slight chance of rain after 10pm. Patchy dense fog before 10pm, then Widespread dense fog after 4am. Seas around 3 ft.
Monday
W wind around 10 kt. A slight chance of rain before 10am. Widespread fog before 7am. Seas around 3 ft.
Monday Night
W wind 10 to 15 kt. Mostly cloudy. Seas around 4 ft.
Tuesday
W wind 5 to 10 kt. Mostly cloudy. Seas around 3 ft.
Tuesday Night
WSW wind 10 to 15 kt. Mostly cloudy. Seas around 3 ft.
Wednesday
W wind 5 to 15 kt. Cloudy. Seas around 3 ft.
Wednesday Night
W wind 10 to 15 kt. Mostly cloudy. Seas around 3 ft.
Thursday
Variable winds 5 kt or less. Mostly cloudy. 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: 3:12 pm AKDT Aug 2, 2026
Forecast Valid: 3pm AKDT Aug 2, 2026-6pm AKDT Aug 8, 2026
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