11NM N Grand Isle LA

Marine Point Forecast

[NOTICE]
    • Today

      Today:SE wind 5 to 10 kt. Showers and thunderstorms likely before 1pm, then showers likely and possibly a thunderstorm between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm.   Seas 1 ft or less.

      High: 74 °F

      SE 10kt
      < 1ft

    • Tonight

      Tonight:SSE wind 5 to 10 kt. A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 2am.   Seas 1 ft or less.

      Low: 70 °F

      SSE 10kt
      < 1ft

    • Wednesday

      Wednesday:SE wind 5 to 10 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7am.   Seas 1 ft or less.

      High: 74 °F

      SE 10kt
      < 1ft

    • Wednesday Night

      Wednesday Night:SE wind around 10 kt. A slight chance of showers and thunderstorms before 1am.   Seas 1 ft or less.

      Low: 69 °F

      SE 10kt
      < 1ft

    • Thursday

      Thursday:SE wind 10 to 15 kt. A chance of showers, with thunderstorms also possible after 10am.   Seas 1 ft or less.

      High: 75 °F

      SE 15kt
      < 1ft

    • Thursday Night

      Thursday Night:SE wind around 10 kt. A slight chance of showers and thunderstorms before 1am.   Seas 1 ft or less.

      Low: 69 °F

      SE 10kt
      < 1ft

    • Friday

      Friday:ESE wind 10 to 15 kt. A chance of showers and thunderstorms.   Seas 1 ft or less.

      High: 75 °F

      ESE 15kt
      < 1ft

    • Friday Night

      Friday Night:ESE wind around 10 kt. Partly cloudy. Seas 1 ft or less.

      Low: 70 °F

      ESE 10kt
      < 1ft

    • Saturday

      Saturday:SE wind around 10 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms.   Seas 1 ft or less.

      High: 75 °F

      SE 10kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 5:25 am CDT Mar 31, 2026
Forecast Valid: 5am CDT Mar 31, 2026-6pm CDT Apr 6, 2026

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Detailed Forecast


Today
SE wind 5 to 10 kt. Showers and thunderstorms likely before 1pm, then showers likely and possibly a thunderstorm between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Tonight
SSE wind 5 to 10 kt. A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 2am. Seas 1 ft or less.
Wednesday
SE wind 5 to 10 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7am. Seas 1 ft or less.
Wednesday Night
SE wind around 10 kt. A slight chance of showers and thunderstorms before 1am. Seas 1 ft or less.
Thursday
SE wind 10 to 15 kt. A chance of showers, with thunderstorms also possible after 10am. Seas 1 ft or less.
Thursday Night
SE wind around 10 kt. A slight chance of showers and thunderstorms before 1am. Seas 1 ft or less.
Friday
ESE wind 10 to 15 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Friday Night
ESE wind around 10 kt. Partly cloudy. Seas 1 ft or less.
Saturday
SE wind around 10 kt, with gusts as high as 20 kt. 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: 29.44°N 89.98°W
Last Update: 5:25 am CDT Mar 31, 2026
Forecast Valid: 5am CDT Mar 31, 2026-6pm CDT Apr 6, 2026
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