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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:Variable winds 5 kt or less. A slight chance of showers.   Seas around 2 ft.

      High: 53 °F

      Light Wind
      2ft

    • Tonight

      Tonight:W wind around 10 kt. A slight chance of showers, mainly between 1am and 4am, then a chance of sprinkles after 4am.   Seas 2 to 3 ft.

      Low: 47 °F

      W 10kt
      2-3ft

    • Thursday

      Thursday:WSW wind around 10 kt. A chance of sprinkles before 7am, then a chance of sprinkles after 10am.   Seas around 3 ft.

      High: 53 °F

      WSW 10kt
      3ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. A chance of showers after 4am.   Seas 2 to 3 ft.

      Low: 47 °F

      Light Wind
      2-3ft

    • Friday

      Friday:Variable winds 5 kt or less. Showers likely, mainly after 10am.   Seas 2 to 3 ft.

      High: 53 °F

      Light Wind
      2-3ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. Showers likely, mainly before 10pm.   Seas around 3 ft.

      Low: 48 °F

      Light Wind
      3ft

    • Independence Day

      Independence Day:Variable winds 5 kt or less. Mostly cloudy. Seas around 3 ft.

      High: 54 °F

      Light Wind
      3ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. A chance of showers.   Seas around 3 ft.

      Low: 48 °F

      Light Wind
      3ft

    • Sunday

      Sunday:Variable winds 5 kt or less. Showers likely.   Seas around 3 ft.

      High: 54 °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: 11:48 am AKDT Jul 1, 2026
Forecast Valid: 1pm AKDT Jul 1, 2026-6pm AKDT Jul 7, 2026

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Detailed Forecast


Synopsis: With a very weak low pressure system west of Cape Spencer, winds are waves are expected to be fairly benign Wednesday. By Friday, a front will approach the area, which looks to bring higher rain chances, and winds up to 20 kts and waves up to 6 feet in the Gulf of Alaska.

This Afternoon
Variable winds 5 kt or less. A slight chance of showers. Seas around 2 ft.
Tonight
W wind around 10 kt. A slight chance of showers, mainly between 1am and 4am, then a chance of sprinkles after 4am. Seas 2 to 3 ft.
Thursday
WSW wind around 10 kt. A chance of sprinkles before 7am, then a chance of sprinkles after 10am. Seas around 3 ft.
Thursday Night
Variable winds 5 kt or less. A chance of showers after 4am. Seas 2 to 3 ft.
Friday
Variable winds 5 kt or less. Showers likely, mainly after 10am. Seas 2 to 3 ft.
Friday Night
Variable winds 5 kt or less. Showers likely, mainly before 10pm. Seas around 3 ft.
Independence Day
Variable winds 5 kt or less. Mostly cloudy. Seas around 3 ft.
Saturday Night
Variable winds 5 kt or less. A chance of showers. Seas around 3 ft.
Sunday
Variable winds 5 kt or less. Showers likely. 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.
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ABOUT THIS FORECAST

Point Forecast: 58.2°N 136.63°W
Last Update: 11:48 am AKDT Jul 1, 2026
Forecast Valid: 1pm AKDT Jul 1, 2026-6pm AKDT Jul 7, 2026
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