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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:WSW wind around 10 kt. A chance of rain.   Seas around 4 ft.

      Low: 48 °F

      WSW 10kt
      4ft

    • Monday

      Monday:W wind around 15 kt. Partly sunny. Seas 4 to 5 ft.

      High: 54 °F

      W 15kt
      4-5ft

    • Monday Night

      Monday Night:W wind 15 to 25 kt. A chance of rain after 1am.   Seas 4 to 5 ft.

      Low: 48 °F

      W 25kt
      4-5ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday

      Tuesday:W wind around 15 kt. A chance of rain before 10am.   Seas around 4 ft.

      High: 53 °F

      W 15kt
      4ft

    • Tuesday Night

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

      Low: 47 °F

      WSW 10kt
      3-4ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. A chance of rain before 10am.   Seas 2 to 3 ft.

      High: 53 °F

      Light Wind
      2-3ft

    • Wednesday Night

      Wednesday Night:W wind 5 to 10 kt. Mostly cloudy. Seas around 2 ft.

      Low: 47 °F

      W 10kt
      2ft

    • Thursday

      Thursday:Variable winds 5 kt or less. Partly sunny. Seas around 2 ft.

      High: 54 °F

      Light Wind
      2ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. A chance of rain.   Seas around 2 ft.

      Low: 48 °F

      Light Wind
      2ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 7:26 pm AKDT Jun 28, 2026
Forecast Valid: 11pm AKDT Jun 28, 2026-6pm AKDT Jul 5, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY MONDAY...

Synopsis: A ridge in the Gulf of Alaska persists through today and tomorrow and continues to drive onshore NW'rly flow. High pressure, in addition to inland heating, will drive an increase of winds to 20-25 kts during the daytime hours. This weather pattern will lead to gusty winds in Lynn Canal, Cross Sound, Icy Strait Corridor, near Cape Decision, and in southern Chatham Strait. Wave heights up to 8 ft start to diminish after tomorrow through the next several days.

Overnight
WSW wind around 10 kt. A chance of rain. Seas around 4 ft.
Monday
W wind around 15 kt. Partly sunny. Seas 4 to 5 ft.
Monday Night
W wind 15 to 25 kt. A chance of rain after 1am. Seas 4 to 5 ft.
Tuesday
W wind around 15 kt. A chance of rain before 10am. Seas around 4 ft.
Tuesday Night
WSW wind 5 to 10 kt. A chance of rain after 4am. Seas 3 to 4 ft.
Wednesday
Variable winds 5 kt or less. A chance of rain before 10am. Seas 2 to 3 ft.
Wednesday Night
W wind 5 to 10 kt. Mostly cloudy. Seas around 2 ft.
Thursday
Variable winds 5 kt or less. Partly sunny. Seas around 2 ft.
Thursday Night
Variable winds 5 kt or less. A chance of rain. Seas around 2 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: 7:26 pm AKDT Jun 28, 2026
Forecast Valid: 11pm AKDT Jun 28, 2026-6pm AKDT Jul 5, 2026
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