17NM E Grand Isle LA

Marine Point Forecast

[NOTICE]
    • Labor Day

      Labor Day:Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly after noon.   Seas 1 ft or less.

      High: 91 °F

      Light Wind
      < 1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.

      Low: 80 °F

      Light Wind
      < 1ft

    • Tuesday

      Tuesday:E wind 5 to 10 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.   Seas 1 ft or less.

      High: 90 °F

      E 10kt
      < 1ft

    • Tuesday Night

      Tuesday Night:E wind around 10 kt. A chance of showers and thunderstorms before 10pm, then a chance of showers and thunderstorms after 4am.   Seas 1 ft or less.

      Low: 79 °F

      E 10kt
      < 1ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am.   Seas 1 ft or less.

      High: 89 °F

      Light Wind
      < 1ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am.   Seas 1 ft or less.

      Low: 80 °F

      Light Wind
      < 1ft

    • Thursday

      Thursday:Variable winds 5 kt or less. Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm.   Seas 1 ft or less.

      High: 89 °F

      Light Wind
      < 1ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. A chance of showers and thunderstorms after 1am.   Seas 1 ft or less.

      Low: 79 °F

      Light Wind
      < 1ft

    • Friday

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

      High: 90 °F

      Light Wind
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:21 am CDT Sep 7, 2026
Forecast Valid: 11am CDT Sep 7, 2026-6pm CDT Sep 13, 2026

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Detailed Forecast


Labor Day
Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly after noon. Seas 1 ft or less.
Tonight
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Tuesday
E wind 5 to 10 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Seas 1 ft or less.
Tuesday Night
E wind around 10 kt. A chance of showers and thunderstorms before 10pm, then a chance of showers and thunderstorms after 4am. Seas 1 ft or less.
Wednesday
Variable winds 5 kt or less. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. Seas 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Seas 1 ft or less.
Thursday
Variable winds 5 kt or less. Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Seas 1 ft or less.
Thursday Night
Variable winds 5 kt or less. A chance of showers and thunderstorms after 1am. Seas 1 ft or less.
Friday
Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas 1 ft or less.

Winds and seas higher in and near thunderstorms.

*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: 29.29°N 89.67°W
Last Update: 11:21 am CDT Sep 7, 2026
Forecast Valid: 11am CDT Sep 7, 2026-6pm CDT Sep 13, 2026
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