Hazardous Weather Conditions

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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:SW wind 25 to 30 kt decreasing to 20 to 25 kt after midnight. Rain and snow showers, becoming all snow after 3am.   Seas 12 to 13 ft.

      Low: 30 °F

      SW 30kt⇓
      12-13ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday

      Wednesday:S wind 10 to 20 kt becoming W in the morning. Snow showers.   Seas 12 to 13 ft.

      High: 32 °F

      S 20kt
      12-13ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday Night

      Wednesday Night:W wind around 10 kt becoming E after midnight. Snow showers.   Seas 11 to 13 ft.

      Low: 29 °F

      S 10kt
      11-13ft

    • Thursday

      Thursday:WSW wind around 10 kt becoming S in the afternoon. Snow showers likely.   Seas 10 ft subsiding to 7 ft.

      High: 33 °F

      WSW 10kt
      10ftWaves Subsiding

    • Thursday Night

      Thursday Night:S wind 10 to 20 kt becoming E in the evening. Snow before 3am, then rain and snow.   Seas 5 to 6 ft.

      Low: 31 °F

      E 20kt
      5-6ft

    • Friday

      Friday:ENE wind around 20 kt. Rain and snow, becoming all rain after 9am.   Seas 5 ft building to 9 ft.

      High: 42 °F

      ENE 20kt
      Waves Building9ft

    • Friday Night

      Friday Night:E wind 20 to 25 kt becoming S after midnight. Rain.   Seas 11 to 12 ft.

      Low: 38 °F

      S 25kt
      11-12ft

    • Saturday

      Saturday:S wind 15 to 25 kt becoming SE in the afternoon. Winds could gust as high as 30 kt. Rain.   Seas 11 to 12 ft.

      High: 42 °F

      S 25kt
      11-12ft

    • Saturday Night

      Saturday Night:SE wind around 15 kt becoming SSW after midnight. Winds could gust as high as 30 kt. Rain.   Seas 10 to 11 ft.

      Low: 40 °F

      SE 15kt
      10-11ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:35 pm AKST Jan 6, 2026
Forecast Valid: 11pm AKST Jan 6, 2026-6pm AKST Jan 13, 2026

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Detailed Forecast


Synopsis: Onshore flow continues to bring showers and stronger gulf winds through much of the week as a low weakens in the northern gulf. Winds diminish to some extent on Thursday before increasing again on Friday as another system enters the gulf from the south.

Overnight
SW wind 25 to 30 kt decreasing to 20 to 25 kt after midnight. Rain and snow showers, becoming all snow after 3am. Seas 12 to 13 ft.
Wednesday
S wind 10 to 20 kt becoming W in the morning. Snow showers. Seas 12 to 13 ft.
Wednesday Night
W wind around 10 kt becoming E after midnight. Snow showers. Seas 11 to 13 ft.
Thursday
WSW wind around 10 kt becoming S in the afternoon. Snow showers likely. Seas 10 ft subsiding to 7 ft.
Thursday Night
S wind 10 to 20 kt becoming E in the evening. Snow before 3am, then rain and snow. Seas 5 to 6 ft.
Friday
ENE wind around 20 kt. Rain and snow, becoming all rain after 9am. Seas 5 ft building to 9 ft.
Friday Night
E wind 20 to 25 kt becoming S after midnight. Rain. Seas 11 to 12 ft.
Saturday
S wind 15 to 25 kt becoming SE in the afternoon. Winds could gust as high as 30 kt. Rain. Seas 11 to 12 ft.
Saturday Night
SE wind around 15 kt becoming SSW after midnight. Winds could gust as high as 30 kt. Rain. Seas 10 to 11 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: 8:35 pm AKST Jan 6, 2026
Forecast Valid: 11pm AKST Jan 6, 2026-6pm AKST Jan 13, 2026
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