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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:NE wind 15 to 20 kt becoming NNW. Showers.   Seas 12 to 14 ft.

      High: 40 °F

      NE 20kt
      12-14ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:W wind 15 to 20 kt, with gusts as high as 35 kt. Showers.   Seas 16 ft subsiding to 10 ft.

      Low: 38 °F

      W 20kt
      16ftWaves Subsiding

      Small Craft Advisory
      Small Craft Advisory

    • Friday

      Friday:WSW wind 10 to 15 kt. A chance of rain showers, mixing with snow after 9am, then gradually ending.   Seas 1 ft or less.

      High: 41 °F

      WSW 15kt
      < 1ft

    • Friday Night

      Friday Night:W wind 5 to 10 kt. Partly cloudy. Seas 1 ft or less.

      Low: 36 °F

      W 10kt
      < 1ft

    • Saturday

      Saturday:WSW wind 10 to 15 kt. A chance of rain and snow showers before 3pm, then rain showers.   Seas 6 to 7 ft.

      High: 40 °F

      WSW 15kt
      6-7ft

    • Saturday Night

      Saturday Night:WSW wind around 10 kt becoming E in the evening. Showers.   Seas around 5 ft.

      Low: 35 °F

      WSW 10kt
      5ft

    • Sunday

      Sunday:E wind 10 to 15 kt becoming NNE in the afternoon. Rain likely before 3pm, then a chance of rain and snow.   Seas 5 to 7 ft.

      High: 40 °F

      NNE 15kt
      5-7ft

    • Sunday Night

      Sunday Night:NNE wind 15 to 20 kt increasing to 20 to 25 kt after midnight. Winds could gust as high as 35 kt. A chance of rain and snow before 3am.   Seas 7 to 9 ft.

      Low: 29 °F

      ⇑NNE 25kt
      7-9ft

    • Washington's Birthday

      Washington's Birthday:NNE wind around 25 kt, with gusts as high as 35 kt. Mostly sunny. Seas 7 to 9 ft.

      High: 33 °F

      NNE 25kt
      7-9ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 12:48 pm AKST Feb 12, 2026
Forecast Valid: 2pm AKST Feb 12, 2026-6pm AKST Feb 18, 2026

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Detailed Forecast

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

Synopsis: A storm force low approaching northern Baranof island will make landfall later in the day on Thursday. This system is bring storm force conditions and frequent gusts to hurricane force to areas south of Sitka Sound. Southwesterly seas of 35 ft will impact near shore coastal zones. Winds and seas begin to subside Friday.

This Afternoon
NE wind 15 to 20 kt becoming NNW. Showers. Seas 12 to 14 ft.
Tonight
W wind 15 to 20 kt, with gusts as high as 35 kt. Showers. Seas 16 ft subsiding to 10 ft.
Friday
WSW wind 10 to 15 kt. A chance of rain showers, mixing with snow after 9am, then gradually ending. Seas 1 ft or less.
Friday Night
W wind 5 to 10 kt. Partly cloudy. Seas 1 ft or less.
Saturday
WSW wind 10 to 15 kt. A chance of rain and snow showers before 3pm, then rain showers. Seas 6 to 7 ft.
Saturday Night
WSW wind around 10 kt becoming E in the evening. Showers. Seas around 5 ft.
Sunday
E wind 10 to 15 kt becoming NNE in the afternoon. Rain likely before 3pm, then a chance of rain and snow. Seas 5 to 7 ft.
Sunday Night
NNE wind 15 to 20 kt increasing to 20 to 25 kt after midnight. Winds could gust as high as 35 kt. A chance of rain and snow before 3am. Seas 7 to 9 ft.
Washington's Birthday
NNE wind around 25 kt, with gusts as high as 35 kt. Mostly sunny. Seas 7 to 9 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: 12:48 pm AKST Feb 12, 2026
Forecast Valid: 2pm AKST Feb 12, 2026-6pm AKST Feb 18, 2026
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