17NM E Grand Isle LA

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:NNW wind around 10 kt. Mostly sunny. Seas 1 ft or less.

      High: 57 °F

      NNW 10kt
      < 1ft

    • Tonight

      Tonight:N wind around 10 kt becoming NE after midnight. Partly cloudy. Seas 1 ft or less.

      Low: 48 °F

      N 10kt
      < 1ft

    • Wednesday

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

      High: 65 °F

      ENE 10kt
      < 1ft

    • Wednesday Night

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

      Low: 57 °F

      E 10kt
      < 1ft

    • Thursday

      Thursday:E wind 10 to 15 kt, with gusts as high as 20 kt. Showers likely before noon, then showers and possibly a thunderstorm between noon and 3pm, then showers after 3pm.   Seas 1 ft or less.

      High: 69 °F

      E 15kt
      < 1ft

    • Thursday Night

      Thursday Night:E wind 10 to 15 kt. Showers likely.   Seas 1 ft or less.

      Low: 59 °F

      E 15kt
      < 1ft

    • Friday

      Friday:NNE wind 5 to 10 kt becoming NNW in the morning. Showers and possibly a thunderstorm.   Seas around 1 ft.

      High: 69 °F

      NNE 10kt
      1ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. Showers.   Seas 1 ft or less.

      Low: 54 °F

      Light Wind
      < 1ft

    • Saturday

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

      High: 66 °F

      NNE 10kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:51 am CST Dec 2, 2025
Forecast Valid: 3pm CST Dec 2, 2025-6pm CST Dec 9, 2025

View Nearby Observations

Detailed Forecast


This Afternoon
NNW wind around 10 kt. Mostly sunny. Seas 1 ft or less.
Tonight
N wind around 10 kt becoming NE after midnight. Partly cloudy. Seas 1 ft or less.
Wednesday
ENE wind 5 to 10 kt. Mostly sunny. Seas 1 ft or less.
Wednesday Night
E wind 5 to 10 kt. A chance of showers after midnight. Seas 1 ft or less.
Thursday
E wind 10 to 15 kt, with gusts as high as 20 kt. Showers likely before noon, then showers and possibly a thunderstorm between noon and 3pm, then showers after 3pm. Seas 1 ft or less.
Thursday Night
E wind 10 to 15 kt. Showers likely. Seas 1 ft or less.
Friday
NNE wind 5 to 10 kt becoming NNW in the morning. Showers and possibly a thunderstorm. Seas around 1 ft.
Friday Night
Variable winds 5 kt or less. Showers. Seas 1 ft or less.
Saturday
NNE wind 5 to 10 kt. Showers likely, with thunderstorms also possible after noon. Seas 1 ft or less.

*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: 11:51 am CST Dec 2, 2025
Forecast Valid: 3pm CST Dec 2, 2025-6pm CST Dec 9, 2025
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