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Juneau, AK Local Forecast Office

Port Alexander AK

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:NE wind 15 to 20 kt. Mostly clear. Seas 3 to 4 ft.

      Low: 26 °F

      NE 20kt
      3-4ft

      Small Craft Advisory
      Small Craft Advisory

    • Monday

      Monday:NNE wind 5 to 10 kt becoming variable and less than 5 kt in the afternoon. Mostly sunny. Seas 1 to 2 ft.

      High: 35 °F

      NNE 10kt⇓
      1-2ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. A slight chance of snow between midnight and 3am, then a chance of rain and snow.   Seas 1 ft or less.

      Low: 32 °F

      Light Wind
      < 1ft

    • Tuesday

      Tuesday:W wind around 10 kt becoming SSW in the morning. Rain before 9am, then snow between 9am and noon, then rain after noon.   Seas 4 to 5 ft.

      High: 42 °F

      SW 10kt
      4-5ft

    • Tuesday Night

      Tuesday Night:SSW wind around 15 kt becoming W in the evening. Rain.   Seas 4 to 5 ft.

      Low: 36 °F

      W 15kt
      4-5ft

    • Wednesday

      Wednesday:WSW wind 15 to 20 kt. Rain before 3pm, then rain and snow.   Seas 4 to 6 ft.

      High: 41 °F

      WSW 20kt
      4-6ft

    • Wednesday Night

      Wednesday Night:W wind around 15 kt. Rain and snow, becoming all snow after 9pm.   Seas around 5 ft.

      Low: 30 °F

      W 15kt
      5ft

    • Thursday

      Thursday:W wind 10 to 15 kt. Snow before 3pm, then rain and snow likely.   Seas around 5 ft.

      High: 33 °F

      W 15kt
      5ft

    • Thursday Night

      Thursday Night:WNW wind around 10 kt becoming N after midnight. Rain and snow likely before 9pm, then a chance of snow.   Seas 4 to 5 ft.

      Low: 26 °F

      WNW 10kt
      4-5ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 11:19 pm AKST Feb 22, 2026
Forecast Valid: 11pm AKST Feb 22, 2026-6pm AKST Mar 1, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH THIS EVENING...

Synopsis: North to northeasterly outflow winds continue to bring gale force to storm force winds across Northern inner channels. Areas of light to heavy freezing spray will continue over common outflow areas in the northern inner channels and NE gulf coast. Outflow winds begin to subside Sunday night through Monday and winds will shift southerly. Another low pressure system moves over the gulf Tuesday.

Overnight
NE wind 15 to 20 kt. Mostly clear. Seas 3 to 4 ft.
Monday
NNE wind 5 to 10 kt becoming variable and less than 5 kt in the afternoon. Mostly sunny. Seas 1 to 2 ft.
Monday Night
Variable winds 5 kt or less. A slight chance of snow between midnight and 3am, then a chance of rain and snow. Seas 1 ft or less.
Tuesday
W wind around 10 kt becoming SSW in the morning. Rain before 9am, then snow between 9am and noon, then rain after noon. Seas 4 to 5 ft.
Tuesday Night
SSW wind around 15 kt becoming W in the evening. Rain. Seas 4 to 5 ft.
Wednesday
WSW wind 15 to 20 kt. Rain before 3pm, then rain and snow. Seas 4 to 6 ft.
Wednesday Night
W wind around 15 kt. Rain and snow, becoming all snow after 9pm. Seas around 5 ft.
Thursday
W wind 10 to 15 kt. Snow before 3pm, then rain and snow likely. Seas around 5 ft.
Thursday Night
WNW wind around 10 kt becoming N after midnight. Rain and snow likely before 9pm, then a chance of snow. Seas 4 to 5 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: 56.23°N 134.64°W
Last Update: 11:19 pm AKST Feb 22, 2026
Forecast Valid: 11pm AKST Feb 22, 2026-6pm AKST Mar 1, 2026
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