29NM NE Grand Isle LA

Marine Point Forecast

[NOTICE]
    • Overnight

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

      Low: 85 °F

      Light Wind
      < 1ft

    • Monday

      Monday:Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly before 4pm.   Seas 1 ft or less.

      High: 84 °F

      Light Wind
      < 1ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. A slight chance of showers and thunderstorms before 7pm.   Seas around 1 ft.

      Low: 82 °F

      Light Wind
      1ft

    • Tuesday

      Tuesday:NW wind 5 to 10 kt becoming S in the afternoon. A chance of showers and thunderstorms.   Seas 1 ft or less.

      High: 88 °F

      NW 10kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SSW wind 5 to 10 kt becoming WNW after midnight. A slight chance of showers and thunderstorms after 1am.   Seas 1 to 2 ft.

      Low: 82 °F

      WNW 10kt
      1-2ft

    • Wednesday

      Wednesday:NW wind 5 to 10 kt becoming ESE in the afternoon. Showers likely and possibly a thunderstorm before 10am, then showers and thunderstorms likely after 10am.   Seas 1 to 2 ft.

      High: 88 °F

      NW 10kt
      1-2ft

    • Wednesday Night

      Wednesday Night:ESE wind around 10 kt becoming NE after midnight. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.   Seas around 1 ft.

      Low: 80 °F

      ESE 10kt
      1ft

    • Thursday

      Thursday:NNE wind around 10 kt becoming SE in the afternoon. Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms after 1pm.   Seas 1 to 2 ft.

      High: 86 °F

      SE 10kt
      1-2ft

    • Thursday Night

      Thursday Night:S wind around 10 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.   Seas around 2 ft.

      Low: 80 °F

      S 10kt
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 10:21 pm CDT Jul 13, 2025
Forecast Valid: 11pm CDT Jul 13, 2025-6pm CDT Jul 20, 2025

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Detailed Forecast


Overnight
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Monday
Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly before 4pm. Seas 1 ft or less.
Monday Night
Variable winds 5 kt or less. A slight chance of showers and thunderstorms before 7pm. Seas around 1 ft.
Tuesday
NW wind 5 to 10 kt becoming S in the afternoon. A chance of showers and thunderstorms. Seas 1 ft or less.
Tuesday Night
SSW wind 5 to 10 kt becoming WNW after midnight. A slight chance of showers and thunderstorms after 1am. Seas 1 to 2 ft.
Wednesday
NW wind 5 to 10 kt becoming ESE in the afternoon. Showers likely and possibly a thunderstorm before 10am, then showers and thunderstorms likely after 10am. Seas 1 to 2 ft.
Wednesday Night
ESE wind around 10 kt becoming NE after midnight. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Seas around 1 ft.
Thursday
NNE wind around 10 kt becoming SE in the afternoon. Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms after 1pm. Seas 1 to 2 ft.
Thursday Night
S wind around 10 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Seas around 2 ft.

Winds and waves 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: 29.61°N 89.63°W
Last Update: 10:21 pm CDT Jul 13, 2025
Forecast Valid: 11pm CDT Jul 13, 2025-6pm CDT Jul 20, 2025
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