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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:NE wind 5 to 15 kt becoming SW after midnight. Increasing clouds. Seas around 4 ft.

      Low: 42 °F

      NE 15kt
      4ft

    • Tuesday

      Tuesday:SW wind 10 to 15 kt. Cloudy through mid morning, then gradual clearing. Seas 5 to 7 ft.

      High: 46 °F

      SW 15kt
      5-7ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday Night

      Tuesday Night:SW wind 10 to 15 kt. Rain likely.   Seas around 7 ft.

      Low: 43 °F

      SW 15kt
      7ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday

      Wednesday:SW wind around 10 kt. Rain likely.   Seas around 6 ft.

      High: 45 °F

      SW 10kt
      6ft

    • Wednesday Night

      Wednesday Night:SW wind around 10 kt. Rain likely, mainly before 10pm.   Seas 4 to 5 ft.

      Low: 42 °F

      SW 10kt
      4-5ft

    • Thursday

      Thursday:Variable winds 5 kt or less. Partly sunny. Seas around 3 ft.

      High: 46 °F

      Light Wind
      3ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. Mostly cloudy. Seas 2 to 3 ft.

      Low: 42 °F

      Light Wind
      2-3ft

    • Friday

      Friday:Variable winds 5 kt or less. A chance of rain.   Seas 2 to 3 ft.

      High: 49 °F

      Light Wind
      2-3ft

    • Friday Night

      Friday Night:E wind around 10 kt. Rain.   Seas 3 to 4 ft.

      Low: 45 °F

      E 10kt
      3-4ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:45 pm AKDT May 4, 2026
Forecast Valid: 6pm AKDT May 4, 2026-6pm AKDT May 11, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY TUESDAY...

Synopsis: A ridge of high pressure slowly moves over the eastern half of the Gulf of Alaska. A low in the western gulf moves north Tuesday, sending a front into the northeastern gulf coast and increasing winds through the inner channels. The ridge of high pressure begins to relax Wednesday but lingers into late week. A low moves up from the south and into the Gulf on Friday.

Tonight
NE wind 5 to 15 kt becoming SW after midnight. Increasing clouds. Seas around 4 ft.
Tuesday
SW wind 10 to 15 kt. Cloudy through mid morning, then gradual clearing. Seas 5 to 7 ft.
Tuesday Night
SW wind 10 to 15 kt. Rain likely. Seas around 7 ft.
Wednesday
SW wind around 10 kt. Rain likely. Seas around 6 ft.
Wednesday Night
SW wind around 10 kt. Rain likely, mainly before 10pm. Seas 4 to 5 ft.
Thursday
Variable winds 5 kt or less. Partly sunny. Seas around 3 ft.
Thursday Night
Variable winds 5 kt or less. Mostly cloudy. Seas 2 to 3 ft.
Friday
Variable winds 5 kt or less. A chance of rain. Seas 2 to 3 ft.
Friday Night
E wind around 10 kt. Rain. Seas 3 to 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: 3:45 pm AKDT May 4, 2026
Forecast Valid: 6pm AKDT May 4, 2026-6pm AKDT May 11, 2026
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