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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • Today

      Today:SE wind 5 to 10 kt becoming WNW in the afternoon. Areas of fog.  Seas around 3 ft.

      High: 55 °F

      WNW 10kt
      3ft

    • Tonight

      Tonight:W wind around 10 kt. Cloudy. Seas around 3 ft.

      Low: 49 °F

      W 10kt
      3ft

    • Monday

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

      High: 56 °F

      Light Wind
      3ft

    • Monday Night

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

      Low: 49 °F

      Light Wind
      3ft

    • Tuesday

      Tuesday:WSW wind 5 to 10 kt. A chance of showers after 10am.   Seas 3 to 4 ft.

      High: 55 °F

      WSW 10kt
      3-4ft

    • Tuesday Night

      Tuesday Night:W wind around 15 kt. Showers.   Seas 4 to 5 ft.

      Low: 50 °F

      W 15kt
      4-5ft

    • Wednesday

      Wednesday:SW wind 15 to 20 kt. Rain, mainly before 4pm.   Seas around 5 ft.

      High: 56 °F

      SW 20kt
      5ft

    • Wednesday Night

      Wednesday Night:WSW wind 10 to 15 kt. Rain likely.   Seas around 5 ft.

      Low: 49 °F

      WSW 15kt
      5ft

    • Thursday

      Thursday:Variable winds 5 kt or less. Rain likely.   Seas around 4 ft.

      High: 55 °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: 8:45 am AKDT Sep 13, 2026
Forecast Valid: 9am AKDT Sep 13, 2026-6pm AKDT Sep 19, 2026

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Detailed Forecast


Synopsis: High pressure remains over the Gulf into early next week with persistent northwesterly flow. Marine layer pushing into the outer coast and inner channels in the mornings gives way to clearing and light sea breezes developing by the afternoons. Next system is expected to move in Tuesday into Wednesday.

Today
SE wind 5 to 10 kt becoming WNW in the afternoon. Areas of fog. Seas around 3 ft.
Tonight
W wind around 10 kt. Cloudy. Seas around 3 ft.
Monday
Variable winds 5 kt or less. Mostly cloudy. Seas around 3 ft.
Monday Night
Variable winds 5 kt or less. Mostly cloudy. Seas around 3 ft.
Tuesday
WSW wind 5 to 10 kt. A chance of showers after 10am. Seas 3 to 4 ft.
Tuesday Night
W wind around 15 kt. Showers. Seas 4 to 5 ft.
Wednesday
SW wind 15 to 20 kt. Rain, mainly before 4pm. Seas around 5 ft.
Wednesday Night
WSW wind 10 to 15 kt. Rain likely. Seas around 5 ft.
Thursday
Variable winds 5 kt or less. Rain 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: 8:45 am AKDT Sep 13, 2026
Forecast Valid: 9am AKDT Sep 13, 2026-6pm AKDT Sep 19, 2026
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