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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:NE wind around 20 kt. Widespread freezing spray after 1am. Mostly clear. Seas 3 to 4 ft.

      Low: 23 °F

      NE 20kt
      3-4ft

    • Friday

      Friday:NE wind around 15 kt. Widespread freezing spray before 10am. Sunny. Seas around 3 ft.

      High: 28 °F

      NE 15kt
      3ft

    • Friday Night

      Friday Night:ENE wind around 10 kt. Increasing clouds. Seas around 2 ft.

      Low: 23 °F

      ENE 10kt
      2ft

    • Saturday

      Saturday:ENE wind around 10 kt. Snow showers likely, mainly after 1pm.   Seas around 2 ft.

      High: 32 °F

      ENE 10kt
      2ft

    • Saturday Night

      Saturday Night:E wind 10 to 15 kt. Snow showers.   Seas 2 to 3 ft.

      Low: 30 °F

      E 15kt
      2-3ft

    • Sunday

      Sunday:ENE wind 15 to 20 kt. Rain and snow.   Seas 3 to 4 ft.

      High: 35 °F

      ENE 20kt
      3-4ft

    • Sunday Night

      Sunday Night:NE wind around 20 kt. Rain and snow, becoming all snow after 10pm.   Seas 4 to 5 ft.

      Low: 32 °F

      NE 20kt
      4-5ft

    • Monday

      Monday:NE wind around 15 kt. Rain and snow likely.   Seas around 5 ft.

      High: 36 °F

      NE 15kt
      5ft

    • Monday Night

      Monday Night:ENE wind around 15 kt. Rain and snow likely.   Seas 4 to 5 ft.

      Low: 30 °F

      ENE 15kt
      4-5ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 5:53 pm AKDT Mar 12, 2026
Forecast Valid: 11pm AKDT Mar 12, 2026-6pm AKDT Mar 19, 2026

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Detailed Forecast


Synopsis: Northerly Outflow conditions will continue through Thursday night. Lynn Canal winds 25 to 30 kt with waves up to around 10+ ft are possible around Lynn Canal into Friday morning.

Overnight
NE wind around 20 kt. Widespread freezing spray after 1am. Mostly clear. Seas 3 to 4 ft.
Friday
NE wind around 15 kt. Widespread freezing spray before 10am. Sunny. Seas around 3 ft.
Friday Night
ENE wind around 10 kt. Increasing clouds. Seas around 2 ft.
Saturday
ENE wind around 10 kt. Snow showers likely, mainly after 1pm. Seas around 2 ft.
Saturday Night
E wind 10 to 15 kt. Snow showers. Seas 2 to 3 ft.
Sunday
ENE wind 15 to 20 kt. Rain and snow. Seas 3 to 4 ft.
Sunday Night
NE wind around 20 kt. Rain and snow, becoming all snow after 10pm. Seas 4 to 5 ft.
Monday
NE wind around 15 kt. Rain and snow likely. Seas around 5 ft.
Monday Night
ENE wind around 15 kt. Rain and snow likely. Seas 4 to 5 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: 5:53 pm AKDT Mar 12, 2026
Forecast Valid: 11pm AKDT Mar 12, 2026-6pm AKDT Mar 19, 2026
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