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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • Columbus Day

      Columbus Day:Variable winds 5 kt or less. A chance of showers.   Seas around 4 ft.

      High: 50 °F

      Light Wind
      4ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Showers likely, mainly after 4am.   Seas around 4 ft.

      Low: 45 °F

      Light Wind
      4ft

    • Tuesday

      Tuesday:Variable winds 5 kt or less. Showers likely, mainly before 1pm.   Seas around 4 ft.

      High: 49 °F

      Light Wind
      4ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. A chance of showers after 10pm.   Seas around 3 ft.

      Low: 45 °F

      Light Wind
      3ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. Showers likely before 4pm.   Seas around 3 ft.

      High: 49 °F

      Light Wind
      3ft

    • Wednesday Night

      Wednesday Night:ENE wind 10 to 15 kt. Rain likely after 10pm.   Seas 4 to 5 ft.

      Low: 45 °F

      ENE 15kt
      4-5ft

    • Thursday

      Thursday:ENE wind 25 to 30 kt. Rain. The rain could be heavy at times.   Seas 5 to 6 ft.

      High: 50 °F

      ENE 30kt
      5-6ft

    • Thursday Night

      Thursday Night:E wind 25 to 30 kt decreasing to 15 to 20 kt in the evening. Rain. The rain could be heavy at times.   Seas 7 to 8 ft.

      Low: 46 °F

      E 30kt⇓
      7-8ft

    • Friday

      Friday:ESE wind around 10 kt. Showers.   Seas 6 to 7 ft.

      High: 50 °F

      ESE 10kt
      6-7ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:41 pm AKDT Oct 12, 2026
Forecast Valid: 4pm AKDT Oct 12, 2026-6pm AKDT Oct 18, 2026

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Detailed Forecast


Synopsis: Onshore flow prevails bringing light showers and possible erratic gusts. Winds along southern ocean entrances and Cape St. Elias increase Tuesday as a northward moving low clips the southern panhandle. By early Thursday, a strong gale force low will impact the Gulf.

Columbus Day
Variable winds 5 kt or less. A chance of showers. Seas around 4 ft.
Tonight
Variable winds 5 kt or less. Showers likely, mainly after 4am. Seas around 4 ft.
Tuesday
Variable winds 5 kt or less. Showers likely, mainly before 1pm. Seas around 4 ft.
Tuesday Night
Variable winds 5 kt or less. A chance of showers after 10pm. Seas around 3 ft.
Wednesday
Variable winds 5 kt or less. Showers likely before 4pm. Seas around 3 ft.
Wednesday Night
ENE wind 10 to 15 kt. Rain likely after 10pm. Seas 4 to 5 ft.
Thursday
ENE wind 25 to 30 kt. Rain. The rain could be heavy at times. Seas 5 to 6 ft.
Thursday Night
E wind 25 to 30 kt decreasing to 15 to 20 kt in the evening. Rain. The rain could be heavy at times. Seas 7 to 8 ft.
Friday
ESE wind around 10 kt. Showers. Seas 6 to 7 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: 2:41 pm AKDT Oct 12, 2026
Forecast Valid: 4pm AKDT Oct 12, 2026-6pm AKDT Oct 18, 2026
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