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Juneau, AK Local Forecast Office

4NM ESE Grindall Island AK

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:SSE wind around 15 kt. A slight chance of showers.   Seas around 3 ft.

      High: 57 °F

      SSE 15kt
      3ft

    • Tonight

      Tonight:SSE wind around 15 kt. A slight chance of showers before 7pm, then a chance of showers after 1am.   Seas around 3 ft.

      Low: 53 °F

      SSE 15kt
      3ft

    • Tuesday

      Tuesday:ESE wind 10 to 15 kt. Showers likely, mainly after 1pm.   Seas 2 to 3 ft.

      High: 58 °F

      ESE 15kt
      2-3ft

    • Tuesday Night

      Tuesday Night:SSE wind 5 to 10 kt. A chance of showers.   Seas 1 to 2 ft.

      Low: 52 °F

      SSE 10kt
      1-2ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. A chance of showers before 4pm.   Seas around 1 ft.

      High: 57 °F

      Light Wind
      1ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. Sprinkles after 4am.   Seas around 1 ft.

      Low: 52 °F

      Light Wind
      1ft

    • Thursday

      Thursday:Variable winds 5 kt or less. Sprinkles before 10am, then a chance of showers between 10am and 1pm, then sprinkles after 1pm.   Seas 1 to 2 ft.

      High: 59 °F

      Light Wind
      1-2ft

    • Thursday Night

      Thursday Night:ESE wind 5 to 10 kt. Sprinkles.   Seas 1 to 2 ft.

      Low: 52 °F

      ESE 10kt
      1-2ft

    • Independence Day

      Independence Day:Variable winds 5 kt or less. Partly sunny. Seas around 1 ft.

      High: 59 °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: 2:53 pm AKDT Jun 30, 2025
Forecast Valid: 4pm AKDT Jun 30, 2025-6pm AKDT Jul 6, 2025

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Detailed Forecast


Synopsis: A low over the SE Gulf will slowly weaken and lift as continues to move northeast over central inner channels. This low will remain in the area until Tuesday. A ridge of high pressure will then begin to build over the gulf Tuesday afternoon reaching to eastern gulf by Wednesday.

This Afternoon
SSE wind around 15 kt. A slight chance of showers. Seas around 3 ft.
Tonight
SSE wind around 15 kt. A slight chance of showers before 7pm, then a chance of showers after 1am. Seas around 3 ft.
Tuesday
ESE wind 10 to 15 kt. Showers likely, mainly after 1pm. Seas 2 to 3 ft.
Tuesday Night
SSE wind 5 to 10 kt. A chance of showers. Seas 1 to 2 ft.
Wednesday
Variable winds 5 kt or less. A chance of showers before 4pm. Seas around 1 ft.
Wednesday Night
Variable winds 5 kt or less. Sprinkles after 4am. Seas around 1 ft.
Thursday
Variable winds 5 kt or less. Sprinkles before 10am, then a chance of showers between 10am and 1pm, then sprinkles after 1pm. Seas 1 to 2 ft.
Thursday Night
ESE wind 5 to 10 kt. Sprinkles. Seas 1 to 2 ft.
Independence Day
Variable winds 5 kt or less. Partly sunny. 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: 55.43°N 132°W
Last Update: 2:53 pm AKDT Jun 30, 2025
Forecast Valid: 4pm AKDT Jun 30, 2025-6pm AKDT Jul 6, 2025
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