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Juneau, AK Local Forecast Office

4NM ESE Grindall Island AK

Marine Point Forecast

[NOTICE]
    • Today

      Today:SSW wind 5 to 10 kt becoming WNW in the morning. Mostly sunny. Seas 1 to 2 ft.

      High: 61 °F

      SSW 10kt
      1-2ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Increasing clouds. Seas around 1 ft.

      Low: 53 °F

      Light Wind
      1ft

    • Thursday

      Thursday:SSE wind 15 to 20 kt. Rain likely, mainly after 1pm.   Seas 3 to 4 ft.

      High: 58 °F

      SSE 20kt
      3-4ft

    • Thursday Night

      Thursday Night:SSE wind around 25 kt, with gusts as high as 35 kt. Rain.   Seas around 5 ft.

      Low: 54 °F

      SSE 25kt
      5ft

    • Friday

      Friday:SSE wind 15 to 20 kt. Rain.   Seas 4 to 5 ft.

      High: 59 °F

      SSE 20kt
      4-5ft

    • Friday Night

      Friday Night:SSW wind around 10 kt. Showers likely, mainly before 7pm.   Seas 2 to 3 ft.

      Low: 53 °F

      SSW 10kt
      2-3ft

    • Saturday

      Saturday:SSE wind 10 to 15 kt. Rain likely, mainly after 10am.   Seas 2 to 3 ft.

      High: 57 °F

      SSE 15kt
      2-3ft

    • Saturday Night

      Saturday Night:SE wind around 15 kt. A chance of rain.   Seas around 3 ft.

      Low: 54 °F

      SE 15kt
      3ft

    • Sunday

      Sunday:SSE wind around 10 kt. A chance of rain.   Seas around 2 ft.

      High: 59 °F

      SSE 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: 3:55 am AKDT Jul 9, 2025
Forecast Valid: 6am AKDT Jul 9, 2025-6pm AKDT Jul 15, 2025

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Detailed Forecast


Synopsis: Westerly onshore flow will continue into Wednesday with brief high pressure building over the inner channels. A Gale force front enters the Gulf Thursday morning, reaching the outer Gulf coast by Thursday afternoon. Strongest marine winds expected along the northern Gulf of Alaska coast by Thursday afternoon.

Today
SSW wind 5 to 10 kt becoming WNW in the morning. Mostly sunny. Seas 1 to 2 ft.
Tonight
Variable winds 5 kt or less. Increasing clouds. Seas around 1 ft.
Thursday
SSE wind 15 to 20 kt. Rain likely, mainly after 1pm. Seas 3 to 4 ft.
Thursday Night
SSE wind around 25 kt, with gusts as high as 35 kt. Rain. Seas around 5 ft.
Friday
SSE wind 15 to 20 kt. Rain. Seas 4 to 5 ft.
Friday Night
SSW wind around 10 kt. Showers likely, mainly before 7pm. Seas 2 to 3 ft.
Saturday
SSE wind 10 to 15 kt. Rain likely, mainly after 10am. Seas 2 to 3 ft.
Saturday Night
SE wind around 15 kt. A chance of rain. Seas around 3 ft.
Sunday
SSE 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: 3:55 am AKDT Jul 9, 2025
Forecast Valid: 6am AKDT Jul 9, 2025-6pm AKDT Jul 15, 2025
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