17NM E Grand Isle LA

Marine Point Forecast

[NOTICE]
    • Wednesday

      Wednesday:ENE wind 5 to 10 kt. Partly sunny. Seas 1 ft or less.

      High: 67 °F

      ENE 10kt
      < 1ft

    • Wednesday Night

      Wednesday Night:E wind 5 to 10 kt. A chance of showers, mainly after midnight.   Seas 1 ft or less.

      Low: 60 °F

      E 10kt
      < 1ft

    • Thursday

      Thursday:ENE wind 10 to 15 kt, with gusts as high as 25 kt. Showers likely, then showers and possibly a thunderstorm after noon.   Seas 1 ft or less.

      High: 71 °F

      ENE 15kt
      < 1ft

    • Thursday Night

      Thursday Night:E wind 10 to 15 kt becoming N after midnight. Winds could gust as high as 25 kt. Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight, then showers likely and possibly a thunderstorm after midnight.   Seas 1 ft or less.

      Low: 58 °F

      E 15kt
      < 1ft

    • Friday

      Friday:NW wind around 10 kt. Showers and possibly a thunderstorm.   Seas 1 ft or less.

      High: 68 °F

      NW 10kt
      < 1ft

    • Friday Night

      Friday Night:NNE wind 5 to 10 kt. Showers.   Seas 1 ft or less.

      Low: 56 °F

      NNE 10kt
      < 1ft

    • Saturday

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

      High: 67 °F

      NE 10kt
      < 1ft

    • Saturday Night

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

      Low: 58 °F

      Light Wind
      < 1ft

    • Sunday

      Sunday:Variable winds 5 kt or less. A slight chance of showers.   Seas 1 ft or less.

      High: 69 °F

      Light Wind
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:19 am CST Dec 3, 2025
Forecast Valid: 1am CST Dec 3, 2025-6pm CST Dec 9, 2025

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Detailed Forecast


Wednesday
ENE wind 5 to 10 kt. Partly sunny. Seas 1 ft or less.
Wednesday Night
E wind 5 to 10 kt. A chance of showers, mainly after midnight. Seas 1 ft or less.
Thursday
ENE wind 10 to 15 kt, with gusts as high as 25 kt. Showers likely, then showers and possibly a thunderstorm after noon. Seas 1 ft or less.
Thursday Night
E wind 10 to 15 kt becoming N after midnight. Winds could gust as high as 25 kt. Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight, then showers likely and possibly a thunderstorm after midnight. Seas 1 ft or less.
Friday
NW wind around 10 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.
Friday Night
NNE wind 5 to 10 kt. Showers. Seas 1 ft or less.
Saturday
NE wind 5 to 10 kt. Showers likely, with thunderstorms also possible after noon. Seas 1 ft or less.
Saturday Night
Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas 1 ft or less.
Sunday
Variable winds 5 kt or less. A slight chance of showers. 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: 1:19 am CST Dec 3, 2025
Forecast Valid: 1am CST Dec 3, 2025-6pm CST Dec 9, 2025
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