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Juneau, AK Local Forecast Office

6NM SSW Grindall Island AK

Marine Point Forecast

[NOTICE]
    • Today

      Today:NW wind around 10 kt. Sunny. Seas around 2 ft.

      High: 75 °F

      NW 10kt
      2ft

    • Tonight

      Tonight:WNW wind around 10 kt. Mostly clear. Seas 2 to 3 ft.

      Low: 53 °F

      WNW 10kt
      2-3ft

    • Wednesday

      Wednesday:NNW wind around 15 kt. Mostly sunny. Seas around 3 ft.

      High: 70 °F

      NNW 15kt
      3ft

    • Wednesday Night

      Wednesday Night:WNW wind around 15 kt. Partly cloudy. Seas around 3 ft.

      Low: 52 °F

      WNW 15kt
      3ft

    • Thursday

      Thursday:NW wind around 10 kt. Partly sunny. Seas around 2 ft.

      High: 67 °F

      NW 10kt
      2ft

    • Thursday Night

      Thursday Night:W wind 5 to 10 kt. Showers likely, mainly after 4am.   Seas 1 to 2 ft.

      Low: 50 °F

      W 10kt
      1-2ft

    • Friday

      Friday:Variable winds 5 kt or less. Showers likely, mainly before 10am.   Seas around 1 ft.

      High: 61 °F

      Light Wind
      1ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. A chance of showers.   Seas around 1 ft.

      Low: 49 °F

      Light Wind
      1ft

    • Saturday

      Saturday:Variable winds 5 kt or less. Showers likely.   Seas around 1 ft.

      High: 60 °F

      Light Wind
      1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 5:22 am AKDT Jul 21, 2026
Forecast Valid: 10am AKDT Jul 21, 2026-6pm AKDT Jul 27, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY LATE TONIGHT THROUGH WEDNESDAY MORNING...

Synopsis: A weak front aloft will progress over the panhandle today, bringing low clouds and some areas of low visibility. High pressure in the Gulf of Alaska will strengthen overnight into Wednesday, increasing gulf water northwesterlies to a maximum of 25 knots. Additionally, westerly winds in exposed inner channels through Wednesday may reach up to 20 knots.

Today
NW wind around 10 kt. Sunny. Seas around 2 ft.
Tonight
WNW wind around 10 kt. Mostly clear. Seas 2 to 3 ft.
Wednesday
NNW wind around 15 kt. Mostly sunny. Seas around 3 ft.
Wednesday Night
WNW wind around 15 kt. Partly cloudy. Seas around 3 ft.
Thursday
NW wind around 10 kt. Partly sunny. Seas around 2 ft.
Thursday Night
W wind 5 to 10 kt. Showers likely, mainly after 4am. Seas 1 to 2 ft.
Friday
Variable winds 5 kt or less. Showers likely, mainly before 10am. Seas around 1 ft.
Friday Night
Variable winds 5 kt or less. A chance of showers. Seas around 1 ft.
Saturday
Variable winds 5 kt or less. Showers likely. Seas around 1 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: 55.36°N 132.19°W
Last Update: 5:22 am AKDT Jul 21, 2026
Forecast Valid: 10am AKDT Jul 21, 2026-6pm AKDT Jul 27, 2026
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