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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:NE wind around 25 kt, with gusts as high as 35 kt. Mostly sunny. Seas around 5 ft.

      High: 23 °F

      NE 25kt
      5ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:NE wind 20 to 25 kt, with gusts as high as 35 kt. Mostly clear. Seas around 5 ft.

      Low: 19 °F

      NE 25kt
      5ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday

      Wednesday:NE wind 5 to 15 kt. Sunny. Seas around 4 ft.

      High: 28 °F

      NE 15kt
      4ft

    • Wednesday Night

      Wednesday Night:ENE wind 5 to 10 kt. A chance of snow after midnight.   Seas around 4 ft.

      Low: 23 °F

      ENE 10kt
      4ft

    • Thursday

      Thursday:ENE wind around 10 kt. Snow, mainly after 9am.   Seas 4 to 5 ft.

      High: 31 °F

      ENE 10kt
      4-5ft

    • Thursday Night

      Thursday Night:ENE wind 15 to 20 kt. Snow.   Seas around 4 ft.

      Low: 28 °F

      ENE 20kt
      4ft

    • Friday

      Friday:NE wind 20 to 25 kt increasing to 30 to 35 kt in the afternoon. Winds could gust as high as 45 kt. Snow, mainly before 9am.   Seas 6 to 8 ft.

      High: 32 °F

      ⇑NE 35kt
      6-8ft

    • Friday Night

      Friday Night:NNE wind 35 to 40 kt, with gusts as high as 50 kt. Widespread freezing spray after 9pm. Mostly cloudy. Seas 4 to 6 ft.

      Low: 23 °F

      NNE 40kt
      4-6ft

    • Saturday

      Saturday:NNE wind 40 to 45 kt. Widespread freezing spray. Partly sunny. Seas 3 to 4 ft.

      High: 26 °F

      NNE 45kt
      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: 3:15 pm AKST Feb 17, 2026
Forecast Valid: 5pm AKST Feb 17, 2026-6pm AKST Feb 24, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH LATE TONIGHT...

Synopsis: Tuesday evening outflow winds begin to decrease, bringing much lighter winds Wednesday into Friday morning. Friday night outflow winds increase to gale force for many northern and central inner channels into the weekend.

This Afternoon
NE wind around 25 kt, with gusts as high as 35 kt. Mostly sunny. Seas around 5 ft.
Tonight
NE wind 20 to 25 kt, with gusts as high as 35 kt. Mostly clear. Seas around 5 ft.
Wednesday
NE wind 5 to 15 kt. Sunny. Seas around 4 ft.
Wednesday Night
ENE wind 5 to 10 kt. A chance of snow after midnight. Seas around 4 ft.
Thursday
ENE wind around 10 kt. Snow, mainly after 9am. Seas 4 to 5 ft.
Thursday Night
ENE wind 15 to 20 kt. Snow. Seas around 4 ft.
Friday
NE wind 20 to 25 kt increasing to 30 to 35 kt in the afternoon. Winds could gust as high as 45 kt. Snow, mainly before 9am. Seas 6 to 8 ft.
Friday Night
NNE wind 35 to 40 kt, with gusts as high as 50 kt. Widespread freezing spray after 9pm. Mostly cloudy. Seas 4 to 6 ft.
Saturday
NNE wind 40 to 45 kt. Widespread freezing spray. Partly sunny. 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: 3:15 pm AKST Feb 17, 2026
Forecast Valid: 5pm AKST Feb 17, 2026-6pm AKST Feb 24, 2026
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