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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:SW wind 10 to 15 kt. A slight chance of showers.   Seas 5 to 6 ft.

      Low: 42 °F

      SW 15kt
      5-6ft

    • Monday

      Monday:Variable winds 5 kt or less. Rain before 1pm.   Seas around 4 ft.

      High: 47 °F

      Light Wind
      4ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. A chance of rain after 7pm.   Seas around 3 ft.

      Low: 42 °F

      Light Wind
      3ft

    • Tuesday

      Tuesday:ENE wind 5 to 10 kt. A chance of rain.   Seas around 3 ft.

      High: 49 °F

      ENE 10kt
      3ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. Rain, mainly after 10pm.   Seas around 3 ft.

      Low: 43 °F

      Light Wind
      3ft

    • Wednesday

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

      High: 48 °F

      Light Wind
      3ft

    • Wednesday Night

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

      Low: 42 °F

      Light Wind
      3ft

    • Thursday

      Thursday:Variable winds 5 kt or less. Showers.   Seas 3 to 4 ft.

      High: 48 °F

      Light Wind
      3-4ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. Showers.   Seas around 4 ft.

      Low: 42 °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: 3:27 pm AKDT May 10, 2026
Forecast Valid: 12am AKDT May 11, 2026-6pm AKDT May 17, 2026

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Detailed Forecast


Synopsis: Winds and waves continue to decrease behind the front Sunday night, while northern Lynn Canal remains elevated into Monday morning. Brief break expected through Monday before another front pushes through the Gulf by Tuesday morning with increasing seas across the Gulf and winds along the N Gulf coast by Tuesday afternoon.

Overnight
SW wind 10 to 15 kt. A slight chance of showers. Seas 5 to 6 ft.
Monday
Variable winds 5 kt or less. Rain before 1pm. Seas around 4 ft.
Monday Night
Variable winds 5 kt or less. A chance of rain after 7pm. Seas around 3 ft.
Tuesday
ENE wind 5 to 10 kt. A chance of rain. Seas around 3 ft.
Tuesday Night
Variable winds 5 kt or less. Rain, mainly after 10pm. Seas around 3 ft.
Wednesday
Variable winds 5 kt or less. Showers. Seas around 3 ft.
Wednesday Night
Variable winds 5 kt or less. Showers likely. Seas around 3 ft.
Thursday
Variable winds 5 kt or less. Showers. Seas 3 to 4 ft.
Thursday Night
Variable winds 5 kt or less. Showers. 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: 3:27 pm AKDT May 10, 2026
Forecast Valid: 12am AKDT May 11, 2026-6pm AKDT May 17, 2026
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