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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:SE wind around 10 kt. A chance of showers.   Seas around 5 ft.

      High: 48 °F

      SE 10kt
      5ft

    • Tonight

      Tonight:ESE wind around 10 kt. Showers likely, mainly after 4am.   Seas around 4 ft.

      Low: 45 °F

      ESE 10kt
      4ft

    • Wednesday

      Wednesday:E wind 20 to 25 kt, with gusts as high as 30 kt. Rain.   Seas 5 to 7 ft.

      High: 48 °F

      E 25kt
      5-7ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday Night

      Wednesday Night:ENE wind 15 to 20 kt becoming S in the evening. Rain.   Seas 7 to 8 ft.

      Low: 45 °F

      ENE 20kt
      7-8ft

    • Thursday

      Thursday:WSW wind around 15 kt. A chance of showers.   Seas 5 to 6 ft.

      High: 48 °F

      WSW 15kt
      5-6ft

    • Thursday Night

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

      Low: 42 °F

      WSW 10kt
      4-5ft

    • Friday

      Friday:SSW wind 10 to 15 kt becoming WSW in the morning. Showers.   Seas around 4 ft.

      High: 47 °F

      WSW 15kt
      4ft

    • Friday Night

      Friday Night:W wind 10 to 15 kt. Showers likely.   Seas 4 to 5 ft.

      Low: 42 °F

      W 15kt
      4-5ft

    • Saturday

      Saturday:WSW wind around 10 kt becoming S in the morning. Showers likely.   Seas around 6 ft.

      High: 47 °F

      WSW 10kt
      6ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:21 am AKDT May 19, 2026
Forecast Valid: 3pm AKDT May 19, 2026-6pm AKDT May 25, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY WEDNESDAY MORNING THROUGH WEDNESDAY

Synopsis: A gale force low is currently developing near forty eight north one fifty eight west. This system will rapidly move northeast, with the low center reaching fifty eight north one forty seven west by Wednesday morning. Expect gale force southeasterly winds along much of our coast and seas of 12 to 15 ft Wednesday. Highest seas and winds from Cape Edgecumbe to Cape Saint Elias. Wind and seas begin to moderate Thursday afternoon.

This Afternoon
SE wind around 10 kt. A chance of showers. Seas around 5 ft.
Tonight
ESE wind around 10 kt. Showers likely, mainly after 4am. Seas around 4 ft.
Wednesday
E wind 20 to 25 kt, with gusts as high as 30 kt. Rain. Seas 5 to 7 ft.
Wednesday Night
ENE wind 15 to 20 kt becoming S in the evening. Rain. Seas 7 to 8 ft.
Thursday
WSW wind around 15 kt. A chance of showers. Seas 5 to 6 ft.
Thursday Night
WSW wind around 10 kt. Showers. Seas 4 to 5 ft.
Friday
SSW wind 10 to 15 kt becoming WSW in the morning. Showers. Seas around 4 ft.
Friday Night
W wind 10 to 15 kt. Showers likely. Seas 4 to 5 ft.
Saturday
WSW wind around 10 kt becoming S in the morning. Showers likely. 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: 6:21 am AKDT May 19, 2026
Forecast Valid: 3pm AKDT May 19, 2026-6pm AKDT May 25, 2026
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