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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • Today

      Today:Variable winds 5 kt or less. A chance of showers, mainly before 10am.   Seas 4 to 5 ft.

      High: 56 °F

      Light Wind
      4-5ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Rain, mainly after 4am.   Seas around 4 ft.

      Low: 50 °F

      Light Wind
      4ft

    • Monday

      Monday:SSW wind 10 to 15 kt. Rain, mainly before 1pm.   Seas 4 to 5 ft.

      High: 55 °F

      SSW 15kt
      4-5ft

    • Monday Night

      Monday Night:S wind 5 to 10 kt becoming ESE after midnight. Showers, mainly after 7pm.   Seas 5 to 7 ft.

      Low: 48 °F

      S 10kt
      5-7ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday

      Tuesday:NE wind 10 to 15 kt. Rain, mainly before 10am.   Seas 5 to 7 ft.

      High: 57 °F

      NE 15kt
      5-7ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. Partly cloudy. Seas 3 to 4 ft.

      Low: 49 °F

      Light Wind
      3-4ft

    • Wednesday

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

      High: 56 °F

      Light Wind
      3ft

    • Wednesday Night

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

      Low: 50 °F

      Light Wind
      3ft

    • Thursday

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

      High: 58 °F

      Light Wind
      3ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:53 am AKDT Aug 30, 2026
Forecast Valid: 7am AKDT Aug 30, 2026-6pm AKDT Sep 5, 2026

View Nearby Observations

Detailed Forecast


Synopsis: A weak low over the eastern gulf will move SE to just off Baranof Island by Sunday while the associated front exits the panhandle. A new low and front will move into the panhandle on Monday from the NW.

Today
Variable winds 5 kt or less. A chance of showers, mainly before 10am. Seas 4 to 5 ft.
Tonight
Variable winds 5 kt or less. Rain, mainly after 4am. Seas around 4 ft.
Monday
SSW wind 10 to 15 kt. Rain, mainly before 1pm. Seas 4 to 5 ft.
Monday Night
S wind 5 to 10 kt becoming ESE after midnight. Showers, mainly after 7pm. Seas 5 to 7 ft.
Tuesday
NE wind 10 to 15 kt. Rain, mainly before 10am. Seas 5 to 7 ft.
Tuesday Night
Variable winds 5 kt or less. Partly cloudy. Seas 3 to 4 ft.
Wednesday
Variable winds 5 kt or less. Mostly sunny. Seas around 3 ft.
Wednesday Night
Variable winds 5 kt or less. Partly cloudy. Seas around 3 ft.
Thursday
Variable winds 5 kt or less. Mostly sunny. Seas around 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: 6:53 am AKDT Aug 30, 2026
Forecast Valid: 7am AKDT Aug 30, 2026-6pm AKDT Sep 5, 2026
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