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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • Thursday

      Thursday:ENE wind around 15 kt. Snow.   Seas around 4 ft.

      High: 32 °F

      ENE 15kt
      4ft

    • Thursday Night

      Thursday Night:NE wind 15 to 20 kt. Snow.   Seas 4 ft building to 7 ft.

      Low: 27 °F

      NE 20kt
      Waves Building7ft

    • Friday

      Friday:NE wind 20 to 30 kt increasing to 30 to 40 kt in the afternoon. Snow showers, mainly before 9am.  Widespread freezing spray after 3pm.  Seas 8 to 10 ft.

      High: 31 °F

      ⇑NE 40kt
      8-10ft

    • Friday Night

      Friday Night:NE wind around 40 kt, with gusts as high as 50 kt. Widespread freezing spray. Mostly cloudy. Seas 8 to 9 ft.

      Low: 22 °F

      NE 40kt
      8-9ft

    • Saturday

      Saturday:NE wind 40 to 45 kt. Widespread freezing spray. Mostly sunny. Seas around 8 ft.

      High: 26 °F

      NE 45kt
      8ft

    • Saturday Night

      Saturday Night:NE wind 35 to 40 kt. Widespread freezing spray. Mostly clear. Seas 7 to 8 ft.

      Low: 21 °F

      NE 40kt
      7-8ft

    • Sunday

      Sunday:NE wind 30 to 40 kt. Widespread freezing spray before 3pm. Sunny. Seas 6 to 7 ft.

      High: 27 °F

      NE 40kt
      6-7ft

    • Sunday Night

      Sunday Night:NE wind 20 to 30 kt, with gusts as high as 40 kt. Widespread freezing spray. Clear. Seas 5 to 6 ft.

      Low: 22 °F

      NE 30kt
      5-6ft

    • Monday

      Monday:NE wind 15 to 20 kt decreasing to 10 to 15 kt in the afternoon. Winds could gust as high as 30 kt. Widespread freezing spray before 9am. Mostly sunny. Seas 3 to 5 ft.

      High: 32 °F

      NE 20kt⇓
      3-5ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:02 pm AKST Feb 18, 2026
Forecast Valid: 4am AKST Feb 19, 2026-6pm AKST Feb 25, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY LATE TONIGHT...

Synopsis: Light winds are forecast through the day on Thursday with snow moving over the region. Thursday night into Friday, outflow winds build, with gale force in northern inner channels by Friday afternoon quickly spreading south Friday night. Gale force winds and freezing spray will envelop many northern and central inner channels through the weekend, with storm force conditions likely in Lynn Canal by Sunday. Outflow winds begin to subside Monday morning.

Thursday
ENE wind around 15 kt. Snow. Seas around 4 ft.
Thursday Night
NE wind 15 to 20 kt. Snow. Seas 4 ft building to 7 ft.
Friday
NE wind 20 to 30 kt increasing to 30 to 40 kt in the afternoon. Snow showers, mainly before 9am. Widespread freezing spray after 3pm. Seas 8 to 10 ft.
Friday Night
NE wind around 40 kt, with gusts as high as 50 kt. Widespread freezing spray. Mostly cloudy. Seas 8 to 9 ft.
Saturday
NE wind 40 to 45 kt. Widespread freezing spray. Mostly sunny. Seas around 8 ft.
Saturday Night
NE wind 35 to 40 kt. Widespread freezing spray. Mostly clear. Seas 7 to 8 ft.
Sunday
NE wind 30 to 40 kt. Widespread freezing spray before 3pm. Sunny. Seas 6 to 7 ft.
Sunday Night
NE wind 20 to 30 kt, with gusts as high as 40 kt. Widespread freezing spray. Clear. Seas 5 to 6 ft.
Monday
NE wind 15 to 20 kt decreasing to 10 to 15 kt in the afternoon. Winds could gust as high as 30 kt. Widespread freezing spray before 9am. Mostly sunny. Seas 3 to 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: 8:02 pm AKST Feb 18, 2026
Forecast Valid: 4am AKST Feb 19, 2026-6pm AKST Feb 25, 2026
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