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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • Today

      Today:W wind 5 to 10 kt. Patchy fog before 10am.  Seas around 3 ft.

      High: 59 °F

      W 10kt
      3ft

    • Tonight

      Tonight:W wind 5 to 15 kt. Mostly cloudy. Seas around 3 ft.

      Low: 51 °F

      W 15kt
      3ft

    • Sunday

      Sunday:WSW wind 5 to 10 kt. A chance of showers, mainly after 1pm.   Seas 2 to 3 ft.

      High: 57 °F

      WSW 10kt
      2-3ft

    • Sunday Night

      Sunday Night:S wind 5 to 10 kt. Showers, mainly after 7pm. The rain could be heavy at times.   Seas around 2 ft.

      Low: 52 °F

      S 10kt
      2ft

    • Monday

      Monday:E wind 10 to 15 kt. Showers. The rain could be heavy at times.   Seas 2 ft building to 6 ft.

      High: 57 °F

      E 15kt
      Waves Building6ft

    • Monday Night

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

      Low: 52 °F

      Light Wind
      5ft

    • Tuesday

      Tuesday:Variable winds 5 kt or less. A chance of showers.   Seas around 5 ft.

      High: 56 °F

      Light Wind
      5ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. Showers likely.   Seas around 5 ft.

      Low: 51 °F

      Light Wind
      5ft

    • Wednesday

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

      High: 56 °F

      Light Wind
      4ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:34 am AKDT Aug 15, 2026
Forecast Valid: 9am AKDT Aug 15, 2026-6pm AKDT Aug 21, 2026

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Detailed Forecast


Synopsis: High pressure in the Gulf will linger into the weekend. Winds moderate to fresh for the outer coastal waters and N-S oriented channels will diminish through the weekend. Localized wind shifts due to sea breezes possible, but overall wind pattern is expected to be N to NW. Seas 5 to 7 feet in outer coastal waters will trend downward through the weekend.

Today
W wind 5 to 10 kt. Patchy fog before 10am. Seas around 3 ft.
Tonight
W wind 5 to 15 kt. Mostly cloudy. Seas around 3 ft.
Sunday
WSW wind 5 to 10 kt. A chance of showers, mainly after 1pm. Seas 2 to 3 ft.
Sunday Night
S wind 5 to 10 kt. Showers, mainly after 7pm. The rain could be heavy at times. Seas around 2 ft.
Monday
E wind 10 to 15 kt. Showers. The rain could be heavy at times. Seas 2 ft building to 6 ft.
Monday Night
Variable winds 5 kt or less. Showers. Seas around 5 ft.
Tuesday
Variable winds 5 kt or less. A chance of showers. Seas around 5 ft.
Tuesday Night
Variable winds 5 kt or less. Showers likely. Seas around 5 ft.
Wednesday
Variable winds 5 kt or less. Showers likely. Seas around 4 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: 6:34 am AKDT Aug 15, 2026
Forecast Valid: 9am AKDT Aug 15, 2026-6pm AKDT Aug 21, 2026
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