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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • Today

      Today:SW wind 15 to 20 kt, with gusts as high as 35 kt. Showers and possibly a thunderstorm.   Seas 7 to 8 ft.

      High: 51 °F

      SW 20kt
      7-8ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:Variable winds 5 kt or less. Showers and possibly a thunderstorm.   Seas around 6 ft.

      Low: 40 °F

      Light Wind
      6ft

      Small Craft Advisory
      Small Craft Advisory

    • Thursday

      Thursday:E wind around 10 kt. Showers.   Seas around 6 ft.

      High: 48 °F

      E 10kt
      6ft

      Small Craft Advisory
      Small Craft Advisory

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. Showers, mainly before 4am.   Seas around 5 ft.

      Low: 42 °F

      Light Wind
      5ft

    • Friday

      Friday:ENE wind 5 to 10 kt. A chance of showers before 7am.   Seas around 4 ft.

      High: 46 °F

      ENE 10kt
      4ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. Mostly clear. Seas around 3 ft.

      Low: 39 °F

      Light Wind
      3ft

    • Saturday

      Saturday:Variable winds 5 kt or less. Sunny. Seas around 2 ft.

      High: 45 °F

      Light Wind
      2ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Mostly clear. Seas 3 to 4 ft.

      Low: 39 °F

      Light Wind
      3-4ft

    • Sunday

      Sunday:Variable winds 5 kt or less. Mostly sunny. Seas around 4 ft.

      High: 45 °F

      Light Wind
      4ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 11:28 am AKDT Oct 21, 2026
Forecast Valid: 11am AKDT Oct 21, 2026-6pm AKDT Oct 27, 2026

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Detailed Forecast


Synopsis: Low pressure remains in the NW Gulf near Prince William Sound. Onshore flow will continue to bring showers through Thursday. An occasional thunderstorm or two remains possible through Thursday. High pressure builds over the Interior Friday leading to offshore flow setting up.

Today
SW wind 15 to 20 kt, with gusts as high as 35 kt. Showers and possibly a thunderstorm. Seas 7 to 8 ft.
Tonight
Variable winds 5 kt or less. Showers and possibly a thunderstorm. Seas around 6 ft.
Thursday
E wind around 10 kt. Showers. Seas around 6 ft.
Thursday Night
Variable winds 5 kt or less. Showers, mainly before 4am. Seas around 5 ft.
Friday
ENE wind 5 to 10 kt. A chance of showers before 7am. Seas around 4 ft.
Friday Night
Variable winds 5 kt or less. Mostly clear. Seas around 3 ft.
Saturday
Variable winds 5 kt or less. Sunny. Seas around 2 ft.
Saturday Night
Variable winds 5 kt or less. Mostly clear. Seas 3 to 4 ft.
Sunday
Variable winds 5 kt or less. Mostly sunny. Seas around 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: 11:28 am AKDT Oct 21, 2026
Forecast Valid: 11am AKDT Oct 21, 2026-6pm AKDT Oct 27, 2026
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