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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • Saturday

      Saturday:W wind 10 to 15 kt. A slight chance of showers before 7am.   Seas 3 to 4 ft.

      High: 56 °F

      W 15kt
      3-4ft

    • Saturday Night

      Saturday Night:W wind around 15 kt. Mostly cloudy. Seas around 4 ft.

      Low: 49 °F

      W 15kt
      4ft

    • Sunday

      Sunday:W wind 10 to 15 kt. Partly sunny. Seas around 3 ft.

      High: 56 °F

      W 15kt
      3ft

    • Sunday Night

      Sunday Night:W wind 5 to 10 kt. Partly cloudy. Seas around 3 ft.

      Low: 49 °F

      W 10kt
      3ft

    • Monday

      Monday:Variable winds 5 kt or less. Mostly sunny. Seas around 3 ft.

      High: 57 °F

      Light Wind
      3ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. A chance of showers after 4am.   Seas around 3 ft.

      Low: 50 °F

      Light Wind
      3ft

    • Tuesday

      Tuesday:Variable winds 5 kt or less. A chance of showers before 10am.   Seas around 3 ft.

      High: 54 °F

      Light Wind
      3ft

    • Tuesday Night

      Tuesday Night:W wind around 15 kt. Mostly cloudy. Seas around 4 ft.

      Low: 50 °F

      W 15kt
      4ft

    • Wednesday

      Wednesday:W wind around 10 kt. Mostly cloudy. Seas around 4 ft.

      High: 53 °F

      W 10kt
      4ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:39 am AKDT Jul 18, 2026
Forecast Valid: 4am AKDT Jul 18, 2026-6pm AKDT Jul 24, 2026

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Detailed Forecast


Synopsis: Building high pressure in the Gulf of Alaska on Saturday will persist through early next week, bringing broad westerly to northwesterly winds, dry conditions, and local sea breezes.

Saturday
W wind 10 to 15 kt. A slight chance of showers before 7am. Seas 3 to 4 ft.
Saturday Night
W wind around 15 kt. Mostly cloudy. Seas around 4 ft.
Sunday
W wind 10 to 15 kt. Partly sunny. Seas around 3 ft.
Sunday Night
W wind 5 to 10 kt. Partly cloudy. Seas around 3 ft.
Monday
Variable winds 5 kt or less. Mostly sunny. Seas around 3 ft.
Monday Night
Variable winds 5 kt or less. A chance of showers after 4am. Seas around 3 ft.
Tuesday
Variable winds 5 kt or less. A chance of showers before 10am. Seas around 3 ft.
Tuesday Night
W wind around 15 kt. Mostly cloudy. Seas around 4 ft.
Wednesday
W wind around 10 kt. Mostly cloudy. 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: 3:39 am AKDT Jul 18, 2026
Forecast Valid: 4am AKDT Jul 18, 2026-6pm AKDT Jul 24, 2026
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