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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:WNW wind around 10 kt. Mostly sunny. Seas around 4 ft.

      High: 56 °F

      WNW 10kt
      4ft

    • Tonight

      Tonight:W wind around 15 kt. Mostly cloudy. Seas around 4 ft.

      Low: 49 °F

      W 15kt
      4ft

    • Sunday

      Sunday:W wind 10 to 15 kt. Partly sunny. Seas 3 to 4 ft.

      High: 56 °F

      W 15kt
      3-4ft

    • Sunday Night

      Sunday Night:W wind 5 to 10 kt. Partly cloudy. Seas around 3 ft.

      Low: 49 °F

      W 10kt
      3ft

    • Monday

      Monday:Variable winds 5 kt or less. Mostly sunny. Seas around 3 ft.

      High: 57 °F

      Light Wind
      3ft

    • Monday Night

      Monday Night:WSW wind 5 to 10 kt. Mostly cloudy. Seas around 3 ft.

      Low: 51 °F

      WSW 10kt
      3ft

    • Tuesday

      Tuesday:W wind 5 to 10 kt. A chance of showers.   Seas around 3 ft.

      High: 56 °F

      W 10kt
      3ft

    • Tuesday Night

      Tuesday Night:W wind 15 to 20 kt. Mostly cloudy. Seas around 5 ft.

      Low: 49 °F

      W 20kt
      5ft

    • Wednesday

      Wednesday:W wind around 15 kt. Mostly cloudy. Seas around 5 ft.

      High: 55 °F

      W 15kt
      5ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:10 pm AKDT Jul 18, 2026
Forecast Valid: 5pm AKDT Jul 18, 2026-6pm AKDT Jul 25, 2026

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Detailed Forecast


Synopsis: Building high pressure in the Gulf of Alaska will persist through early next week, bringing broad westerly to northwesterly winds, dry conditions, and local sea breezes. Winds for the southern waters could become strong with elevated seas by around Tuesday or Wednesday.

This Afternoon
WNW wind around 10 kt. Mostly sunny. Seas around 4 ft.
Tonight
W wind around 15 kt. Mostly cloudy. Seas around 4 ft.
Sunday
W wind 10 to 15 kt. Partly sunny. Seas 3 to 4 ft.
Sunday Night
W wind 5 to 10 kt. Partly cloudy. Seas around 3 ft.
Monday
Variable winds 5 kt or less. Mostly sunny. Seas around 3 ft.
Monday Night
WSW wind 5 to 10 kt. Mostly cloudy. Seas around 3 ft.
Tuesday
W wind 5 to 10 kt. A chance of showers. Seas around 3 ft.
Tuesday Night
W wind 15 to 20 kt. Mostly cloudy. Seas around 5 ft.
Wednesday
W wind around 15 kt. Mostly cloudy. Seas around 5 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: 2:10 pm AKDT Jul 18, 2026
Forecast Valid: 5pm AKDT Jul 18, 2026-6pm AKDT Jul 25, 2026
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