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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

    • Today

      Today:NNE wind around 10 kt. Mostly sunny. Seas around 5 ft.

      High: 58 °F

      NNE 10kt
      5ft

    • Tonight

      Tonight:NE wind 15 to 20 kt. Clear. Seas around 5 ft.

      Low: 51 °F

      NE 20kt
      5ft

    • Friday

      Friday:NE wind 5 to 10 kt becoming variable and less than 5 kt in the afternoon. Mostly sunny. Seas 3 to 4 ft.

      High: 58 °F

      NE 10kt⇓
      3-4ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. Mostly clear. Seas 2 to 3 ft.

      Low: 49 °F

      Light Wind
      2-3ft

    • Saturday

      Saturday:Variable winds 5 kt or less. Mostly sunny. Seas 2 to 3 ft.

      High: 55 °F

      Light Wind
      2-3ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Partly cloudy. Seas 2 to 3 ft.

      Low: 48 °F

      Light Wind
      2-3ft

    • Sunday

      Sunday:Variable winds 5 kt or less. Mostly sunny. Seas 2 to 3 ft.

      High: 56 °F

      Light Wind
      2-3ft

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. Partly cloudy. Seas around 3 ft.

      Low: 49 °F

      Light Wind
      3ft

    • Monday

      Monday:Variable winds 5 kt or less. Mostly cloudy. Seas 2 to 3 ft.

      High: 56 °F

      Light Wind
      2-3ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 7:43 am AKDT Sep 10, 2026
Forecast Valid: 10am AKDT Sep 10, 2026-6pm AKDT Sep 16, 2026

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Detailed Forecast


Synopsis: Northerly winds build across the inner channels Thursday, strengthening to near gale force conditions for Lynn Canal and fresh to strong breezes for much of the inner channels by Thursday night. Conditions expected to slowly improve Friday with sea breezes through the weekend.

Today
NNE wind around 10 kt. Mostly sunny. Seas around 5 ft.
Tonight
NE wind 15 to 20 kt. Clear. Seas around 5 ft.
Friday
NE wind 5 to 10 kt becoming variable and less than 5 kt in the afternoon. Mostly sunny. Seas 3 to 4 ft.
Friday Night
Variable winds 5 kt or less. Mostly clear. Seas 2 to 3 ft.
Saturday
Variable winds 5 kt or less. Mostly sunny. Seas 2 to 3 ft.
Saturday Night
Variable winds 5 kt or less. Partly cloudy. Seas 2 to 3 ft.
Sunday
Variable winds 5 kt or less. Mostly sunny. Seas 2 to 3 ft.
Sunday Night
Variable winds 5 kt or less. Partly cloudy. Seas around 3 ft.
Monday
Variable winds 5 kt or less. Mostly cloudy. Seas 2 to 3 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: 7:43 am AKDT Sep 10, 2026
Forecast Valid: 10am AKDT Sep 10, 2026-6pm AKDT Sep 16, 2026
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