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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:Variable winds 5 kt or less. A slight chance of showers.   Seas around 3 ft.

      High: 48 °F

      Light Wind
      3ft

    • Tonight

      Tonight:ESE wind around 10 kt. A chance of showers, mainly after 7pm.   Seas around 3 ft.

      Low: 42 °F

      ESE 10kt
      3ft

    • Tuesday

      Tuesday:ESE wind around 10 kt. A slight chance of showers before 10am, then sprinkles between 10am and 4pm.   Seas 3 to 4 ft.

      High: 50 °F

      ESE 10kt
      3-4ft

    • Tuesday Night

      Tuesday Night:ESE wind 5 to 10 kt. Rain likely after 4am.   Seas around 4 ft.

      Low: 42 °F

      ESE 10kt
      4ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. Rain.   Seas 4 to 5 ft.

      High: 47 °F

      Light Wind
      4-5ft

    • Wednesday Night

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

      Low: 42 °F

      Light Wind
      3ft

    • Thursday

      Thursday:Variable winds 5 kt or less. Showers likely, mainly after 10am.   Seas 3 to 4 ft.

      High: 47 °F

      Light Wind
      3-4ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. A chance of showers.   Seas around 4 ft.

      Low: 41 °F

      Light Wind
      4ft

    • Friday

      Friday:Variable winds 5 kt or less. A chance of showers.   Seas around 4 ft.

      High: 48 °F

      Light Wind
      4ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:40 pm AKDT May 11, 2026
Forecast Valid: 5pm AKDT May 11, 2026-6pm AKDT May 18, 2026

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Detailed Forecast


Synopsis: Generally benign sea conditions this afternoon before another front pushes into the Gulf by Tuesday morning, with increasing winds and seas across the Gulf and N Gulf Coast tonight. Seas and winds will jump slightly across the inner channels on Wednesday as the front pushes inland, but should remain should remain below small craft criteria.

This Afternoon
Variable winds 5 kt or less. A slight chance of showers. Seas around 3 ft.
Tonight
ESE wind around 10 kt. A chance of showers, mainly after 7pm. Seas around 3 ft.
Tuesday
ESE wind around 10 kt. A slight chance of showers before 10am, then sprinkles between 10am and 4pm. Seas 3 to 4 ft.
Tuesday Night
ESE wind 5 to 10 kt. Rain likely after 4am. Seas around 4 ft.
Wednesday
Variable winds 5 kt or less. Rain. Seas 4 to 5 ft.
Wednesday Night
Variable winds 5 kt or less. Rain. Seas around 3 ft.
Thursday
Variable winds 5 kt or less. Showers likely, mainly after 10am. Seas 3 to 4 ft.
Thursday Night
Variable winds 5 kt or less. A chance of showers. Seas around 4 ft.
Friday
Variable winds 5 kt or less. A chance of 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: 2:40 pm AKDT May 11, 2026
Forecast Valid: 5pm AKDT May 11, 2026-6pm AKDT May 18, 2026
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