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Juneau, AK Local Forecast Office

4NM ESE Grindall Island AK

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:SW wind around 10 kt becoming SSE after midnight. Showers, mainly before 4am.   Seas around 2 ft.

      Low: 52 °F

      SSE 10kt
      2ft

    • Tuesday

      Tuesday:S wind around 10 kt. Showers, mainly before 4pm.   Seas around 2 ft.

      High: 59 °F

      S 10kt
      2ft

    • Tuesday Night

      Tuesday Night:SSE wind around 10 kt. Scattered showers, mainly before 10pm.   Seas around 2 ft.

      Low: 52 °F

      SSE 10kt
      2ft

    • Wednesday

      Wednesday:SSE wind 5 to 10 kt. Partly sunny. Seas 1 to 2 ft.

      High: 60 °F

      SSE 10kt
      1-2ft

    • Wednesday Night

      Wednesday Night:S wind 5 to 10 kt. Partly cloudy. Seas 1 to 2 ft.

      Low: 52 °F

      S 10kt
      1-2ft

    • Thursday

      Thursday:SSE wind 15 to 20 kt increasing to 20 to 25 kt in the afternoon. Rain, mainly after 1pm.   Seas 3 to 5 ft.

      High: 59 °F

      ⇑SSE 25kt
      3-5ft

    • Thursday Night

      Thursday Night:SSE wind 20 to 30 kt. Rain. The rain could be heavy at times.   Seas 4 to 6 ft.

      Low: 54 °F

      SSE 30kt
      4-6ft

    • Friday

      Friday:SSE wind around 15 kt. Rain.   Seas around 3 ft.

      High: 58 °F

      SSE 15kt
      3ft

    • Friday Night

      Friday Night:SSW wind around 10 kt. A chance of rain.   Seas around 2 ft.

      Low: 54 °F

      SSW 10kt
      2ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:43 pm AKDT Jul 7, 2025
Forecast Valid: 10pm AKDT Jul 7, 2025-6pm AKDT Jul 14, 2025

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Detailed Forecast


Synopsis: Low pressure over will continue to weaken as it moves across the central Inner Channels through Monday night. Some showers along the southern Outer Coast may develop into thunderstorms during this period. Broad ridging and westerly onshore flow will set up for Tuesday followed by the high pressure building over the Inner Channels for Wednesday.

Tonight
SW wind around 10 kt becoming SSE after midnight. Showers, mainly before 4am. Seas around 2 ft.
Tuesday
S wind around 10 kt. Showers, mainly before 4pm. Seas around 2 ft.
Tuesday Night
SSE wind around 10 kt. Scattered showers, mainly before 10pm. Seas around 2 ft.
Wednesday
SSE wind 5 to 10 kt. Partly sunny. Seas 1 to 2 ft.
Wednesday Night
S wind 5 to 10 kt. Partly cloudy. Seas 1 to 2 ft.
Thursday
SSE wind 15 to 20 kt increasing to 20 to 25 kt in the afternoon. Rain, mainly after 1pm. Seas 3 to 5 ft.
Thursday Night
SSE wind 20 to 30 kt. Rain. The rain could be heavy at times. Seas 4 to 6 ft.
Friday
SSE wind around 15 kt. Rain. Seas around 3 ft.
Friday Night
SSW wind around 10 kt. A chance of rain. Seas around 2 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: 55.43°N 132°W
Last Update: 9:43 pm AKDT Jul 7, 2025
Forecast Valid: 10pm AKDT Jul 7, 2025-6pm AKDT Jul 14, 2025
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