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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:WSW wind around 15 kt. A chance of showers.   Seas around 6 ft.

      High: 47 °F

      WSW 15kt
      6ft

    • Tonight

      Tonight:WSW wind 10 to 15 kt. Showers likely, mainly after 4am.   Seas 5 to 6 ft.

      Low: 43 °F

      WSW 15kt
      5-6ft

    • Tuesday

      Tuesday:SE wind 5 to 10 kt. Rain likely.   Seas around 4 ft.

      High: 48 °F

      SE 10kt
      4ft

    • Tuesday Night

      Tuesday Night:ESE wind around 10 kt. Rain.   Seas around 4 ft.

      Low: 42 °F

      ESE 10kt
      4ft

    • Wednesday

      Wednesday:E wind 10 to 15 kt. Showers.   Seas 4 to 5 ft.

      High: 47 °F

      E 15kt
      4-5ft

    • Wednesday Night

      Wednesday Night:ENE wind around 15 kt becoming S in the evening. Showers.   Seas around 5 ft.

      Low: 42 °F

      ENE 15kt
      5ft

    • Thursday

      Thursday:WSW wind 15 to 20 kt. Showers likely, mainly before 10am.   Seas 6 to 7 ft.

      High: 48 °F

      WSW 20kt
      6-7ft

    • Thursday Night

      Thursday Night:WSW wind 10 to 15 kt. Showers likely.   Seas 4 to 5 ft.

      Low: 42 °F

      WSW 15kt
      4-5ft

    • Friday

      Friday:SSW wind around 10 kt becoming WSW in the morning. Showers.   Seas around 4 ft.

      High: 47 °F

      WSW 10kt
      4ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:27 am AKDT May 18, 2026
Forecast Valid: 3pm AKDT May 18, 2026-6pm AKDT May 24, 2026

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Detailed Forecast


Synopsis: A front weakens and pushes into the panhandle Monday with winds and seas diminishing over the eastern Gulf of Alaska by Tuesday. Another system moves into the northern gulf late Tuesday into Wednesday.

This Afternoon
WSW wind around 15 kt. A chance of showers. Seas around 6 ft.
Tonight
WSW wind 10 to 15 kt. Showers likely, mainly after 4am. Seas 5 to 6 ft.
Tuesday
SE wind 5 to 10 kt. Rain likely. Seas around 4 ft.
Tuesday Night
ESE wind around 10 kt. Rain. Seas around 4 ft.
Wednesday
E wind 10 to 15 kt. Showers. Seas 4 to 5 ft.
Wednesday Night
ENE wind around 15 kt becoming S in the evening. Showers. Seas around 5 ft.
Thursday
WSW wind 15 to 20 kt. Showers likely, mainly before 10am. Seas 6 to 7 ft.
Thursday Night
WSW wind 10 to 15 kt. Showers likely. Seas 4 to 5 ft.
Friday
SSW wind around 10 kt becoming WSW in the morning. Showers. Seas around 4 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: 9:27 am AKDT May 18, 2026
Forecast Valid: 3pm AKDT May 18, 2026-6pm AKDT May 24, 2026
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