17NM E Grand Isle LA

Marine Point Forecast

[NOTICE]
    • Late Afternoon

      Late Afternoon:E wind around 10 kt. A chance of showers and thunderstorms.   Seas 1 ft or less.

      High: 68 °F

      E 10kt
      < 1ft

    • Tonight

      Tonight:ESE wind 5 to 10 kt becoming NW after midnight. A chance of showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am.   Seas 1 ft or less.

      Low: 58 °F

      N 10kt
      < 1ft

    • Friday

      Friday:N wind 5 to 10 kt. A chance of showers and thunderstorms.   Seas 1 ft or less.

      High: 61 °F

      N 10kt
      < 1ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. Showers likely, mainly after midnight.   Seas 1 ft or less.

      Low: 55 °F

      Light Wind
      < 1ft

    • Saturday

      Saturday:NE wind 5 to 10 kt. Showers.   Seas 1 ft or less.

      High: 67 °F

      NE 10kt
      < 1ft

    • Saturday Night

      Saturday Night:E wind 5 to 10 kt. Showers likely, with thunderstorms also possible after midnight.   Seas 1 ft or less.

      Low: 58 °F

      E 10kt
      < 1ft

    • Sunday

      Sunday:Variable winds 5 kt or less. A chance of showers, mainly before noon.   Seas 1 ft or less.

      High: 70 °F

      Light Wind
      < 1ft

    • Sunday Night

      Sunday Night:N wind 5 to 15 kt, with gusts as high as 20 kt. A chance of showers.   Seas 1 ft or less.

      Low: 52 °F

      N 15kt
      < 1ft

    • Monday

      Monday:N wind 10 to 15 kt, with gusts as high as 20 kt. Mostly sunny. Seas 1 ft or less.

      High: 63 °F

      N 15kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:32 am CST Dec 4, 2025
Forecast Valid: 5pm CST Dec 4, 2025-6pm CST Dec 11, 2025

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Detailed Forecast


Late Afternoon
E wind around 10 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Tonight
ESE wind 5 to 10 kt becoming NW after midnight. A chance of showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Seas 1 ft or less.
Friday
N wind 5 to 10 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Friday Night
Variable winds 5 kt or less. Showers likely, mainly after midnight. Seas 1 ft or less.
Saturday
NE wind 5 to 10 kt. Showers. Seas 1 ft or less.
Saturday Night
E wind 5 to 10 kt. Showers likely, with thunderstorms also possible after midnight. Seas 1 ft or less.
Sunday
Variable winds 5 kt or less. A chance of showers, mainly before noon. Seas 1 ft or less.
Sunday Night
N wind 5 to 15 kt, with gusts as high as 20 kt. A chance of showers. Seas 1 ft or less.
Monday
N wind 10 to 15 kt, with gusts as high as 20 kt. Mostly sunny. 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: 11:32 am CST Dec 4, 2025
Forecast Valid: 5pm CST Dec 4, 2025-6pm CST Dec 11, 2025
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