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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:W wind 5 to 10 kt. A slight chance of showers.   Seas 3 to 4 ft.

      Low: 49 °F

      W 10kt
      3-4ft

    • Tuesday

      Tuesday:WSW wind around 15 kt. A slight chance of showers before 10am.   Seas around 4 ft.

      High: 55 °F

      WSW 15kt
      4ft

    • Tuesday Night

      Tuesday Night:WSW wind 10 to 15 kt. Scattered showers.   Seas around 4 ft.

      Low: 51 °F

      WSW 15kt
      4ft

    • Wednesday

      Wednesday:WSW wind 10 to 15 kt. A chance of showers.   Seas around 4 ft.

      High: 56 °F

      WSW 15kt
      4ft

    • Wednesday Night

      Wednesday Night:SW wind 5 to 10 kt becoming S after midnight. A chance of rain.   Seas around 3 ft.

      Low: 50 °F

      SW 10kt
      3ft

    • Thursday

      Thursday:E wind 5 to 10 kt increasing to 15 to 20 kt in the afternoon. Rain.   Seas 4 ft building to 7 ft.

      High: 54 °F

      ⇑E 20kt
      Waves Building7ft

    • Thursday Night

      Thursday Night:ENE wind 20 to 25 kt decreasing to 10 to 15 kt in the evening. Winds could gust as high as 30 kt. Rain.   Seas 7 to 8 ft.

      Low: 50 °F

      ENE 25kt⇓
      7-8ft

    • Friday

      Friday:ENE wind 10 to 15 kt becoming SSE in the morning. Rain.   Seas 5 to 6 ft.

      High: 54 °F

      ENE 15kt
      5-6ft

    • Friday Night

      Friday Night:S wind 10 to 15 kt. Rain.   Seas around 5 ft.

      Low: 50 °F

      S 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: 9:43 pm AKDT Jul 7, 2025
Forecast Valid: 10pm AKDT Jul 7, 2025-6pm AKDT Jul 14, 2025

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Detailed Forecast


Synopsis: Low pressure over will continue to weaken as it moves across the central Inner Channels through Monday night. Some showers along the southern Outer Coast may develop into thunderstorms during this period. Broad ridging and westerly onshore flow will set up for Tuesday followed by the high pressure building over the Inner Channels for Wednesday.

Tonight
W wind 5 to 10 kt. A slight chance of showers. Seas 3 to 4 ft.
Tuesday
WSW wind around 15 kt. A slight chance of showers before 10am. Seas around 4 ft.
Tuesday Night
WSW wind 10 to 15 kt. Scattered showers. Seas around 4 ft.
Wednesday
WSW wind 10 to 15 kt. A chance of showers. Seas around 4 ft.
Wednesday Night
SW wind 5 to 10 kt becoming S after midnight. A chance of rain. Seas around 3 ft.
Thursday
E wind 5 to 10 kt increasing to 15 to 20 kt in the afternoon. Rain. Seas 4 ft building to 7 ft.
Thursday Night
ENE wind 20 to 25 kt decreasing to 10 to 15 kt in the evening. Winds could gust as high as 30 kt. Rain. Seas 7 to 8 ft.
Friday
ENE wind 10 to 15 kt becoming SSE in the morning. Rain. Seas 5 to 6 ft.
Friday Night
S wind 10 to 15 kt. Rain. 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: 9:43 pm AKDT Jul 7, 2025
Forecast Valid: 10pm AKDT Jul 7, 2025-6pm AKDT Jul 14, 2025
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