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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:Variable winds 5 kt or less. A chance of showers, mainly before 4am.   Seas around 4 ft.

      Low: 42 °F

      Light Wind
      4ft

    • Saturday

      Saturday:E wind 10 to 15 kt. Showers likely, mainly between 10am and 4pm.   Seas 3 to 4 ft.

      High: 49 °F

      E 15kt
      3-4ft

    • Saturday Night

      Saturday Night:E wind around 10 kt. Showers likely, mainly after 10pm.   Seas around 3 ft.

      Low: 43 °F

      E 10kt
      3ft

    • Sunday

      Sunday:ENE wind 5 to 10 kt. Showers likely.   Seas around 3 ft.

      High: 51 °F

      ENE 10kt
      3ft

    • Sunday Night

      Sunday Night:NE wind 5 to 10 kt. Mostly cloudy. Seas 2 to 3 ft.

      Low: 45 °F

      NE 10kt
      2-3ft

    • Monday

      Monday:ENE wind around 15 kt. Mostly sunny. Seas around 3 ft.

      High: 58 °F

      ENE 15kt
      3ft

    • Monday Night

      Monday Night:NNE wind 10 to 15 kt. Mostly clear. Seas around 3 ft.

      Low: 49 °F

      NNE 15kt
      3ft

    • Tuesday

      Tuesday:ENE wind around 15 kt. Mostly sunny. Seas 4 to 6 ft.

      High: 64 °F

      ENE 15kt
      4-6ft

    • Tuesday Night

      Tuesday Night:NE wind around 15 kt. Partly cloudy. Seas around 6 ft.

      Low: 52 °F

      NE 15kt
      6ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:19 pm AKDT May 29, 2026
Forecast Valid: 11pm AKDT May 29, 2026-6pm AKDT Jun 5, 2026

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Detailed Forecast


Synopsis: A low in the central gulf of Alaska will slowly drift South through Saturday. Shortwaves rotating around the low Saturday will bring occasional periods of more breezy conditions along with rain showers. Maritime conditions will improve Sunday into Monday as the low weakens and a weak ridge moves over SE AK.

Overnight
Variable winds 5 kt or less. A chance of showers, mainly before 4am. Seas around 4 ft.
Saturday
E wind 10 to 15 kt. Showers likely, mainly between 10am and 4pm. Seas 3 to 4 ft.
Saturday Night
E wind around 10 kt. Showers likely, mainly after 10pm. Seas around 3 ft.
Sunday
ENE wind 5 to 10 kt. Showers likely. Seas around 3 ft.
Sunday Night
NE wind 5 to 10 kt. Mostly cloudy. Seas 2 to 3 ft.
Monday
ENE wind around 15 kt. Mostly sunny. Seas around 3 ft.
Monday Night
NNE wind 10 to 15 kt. Mostly clear. Seas around 3 ft.
Tuesday
ENE wind around 15 kt. Mostly sunny. Seas 4 to 6 ft.
Tuesday Night
NE wind around 15 kt. Partly cloudy. Seas around 6 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: 8:19 pm AKDT May 29, 2026
Forecast Valid: 11pm AKDT May 29, 2026-6pm AKDT Jun 5, 2026
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