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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • Today

      Today:E wind around 10 kt. Showers.   Seas around 5 ft.

      High: 51 °F

      E 10kt
      5ft

    • Tonight

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

      Low: 47 °F

      Light Wind
      4ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. Showers.   Seas around 4 ft.

      High: 52 °F

      Light Wind
      4ft

    • Wednesday Night

      Wednesday Night:SSW wind 15 to 20 kt. Showers.   Seas around 4 ft.

      Low: 46 °F

      SSW 20kt
      4ft

    • Thursday

      Thursday:SSW wind 5 to 10 kt. Showers.   Seas around 4 ft.

      High: 50 °F

      SSW 10kt
      4ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. Showers.   Seas around 3 ft.

      Low: 45 °F

      Light Wind
      3ft

    • Friday

      Friday:SE wind around 10 kt. Showers.   Seas around 3 ft.

      High: 51 °F

      SE 10kt
      3ft

    • Friday Night

      Friday Night:ESE wind around 10 kt. Showers likely.   Seas 3 to 4 ft.

      Low: 46 °F

      ESE 10kt
      3-4ft

    • Saturday

      Saturday:E wind 10 to 15 kt. Showers.   Seas 5 to 6 ft.

      High: 51 °F

      E 15kt
      5-6ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:28 am AKDT Sep 29, 2026
Forecast Valid: 11am AKDT Sep 29, 2026-6pm AKDT Oct 5, 2026

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Detailed Forecast


Synopsis: A weakening 992 mb low in the northern gulf will gradually weaken and remain mostly stationary through Tuesday night. Westerly 20 kt winds and seas of 7 to 10 feet persist in the Gulf of Alaska Tuesday, steadily decreasing into Wednesday. 10 to 15 kt S winds are also blowing through the northern and central inner channels, shifting southeastward into the southern inner channels Tuesday morning. A brief break is expected Tuesday night before the next system approaches the panhandle Wednesday, increasing winds and seas again.

Today
E wind around 10 kt. Showers. Seas around 5 ft.
Tonight
Variable winds 5 kt or less. Showers likely, mainly after 4am. Seas around 4 ft.
Wednesday
Variable winds 5 kt or less. Showers. Seas around 4 ft.
Wednesday Night
SSW wind 15 to 20 kt. Showers. Seas around 4 ft.
Thursday
SSW wind 5 to 10 kt. Showers. Seas around 4 ft.
Thursday Night
Variable winds 5 kt or less. Showers. Seas around 3 ft.
Friday
SE wind around 10 kt. Showers. Seas around 3 ft.
Friday Night
ESE wind around 10 kt. Showers likely. Seas 3 to 4 ft.
Saturday
E wind 10 to 15 kt. Showers. Seas 5 to 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: 6:28 am AKDT Sep 29, 2026
Forecast Valid: 11am AKDT Sep 29, 2026-6pm AKDT Oct 5, 2026
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