17NM E Grand Isle LA

Marine Point Forecast

[NOTICE]
    • Today

      Today:SSW wind 10 to 15 kt, with gusts as high as 20 kt. Mostly sunny. Seas around 1 ft.

      High: 70 °F

      SSW 15kt
      1ft

    • Tonight

      Tonight:SSW wind around 10 kt. Partly cloudy. Seas around 1 ft.

      Low: 62 °F

      SSW 10kt
      1ft

    • Thursday

      Thursday:SSW wind around 10 kt. A slight chance of showers after noon.   Seas around 1 ft.

      High: 73 °F

      SSW 10kt
      1ft

    • Thursday Night

      Thursday Night:S wind 5 to 10 kt becoming WSW after midnight. A chance of showers.   Seas around 1 ft.

      Low: 61 °F

      S 10kt
      1ft

    • Friday

      Friday:WSW wind 5 to 10 kt becoming NE in the afternoon. A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and 3pm, then a chance of showers after 3pm.   Seas around 1 ft.

      High: 72 °F

      N 10kt
      1ft

    • Friday Night

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

      Low: 59 °F

      Light Wind
      < 1ft

    • Saturday

      Saturday:ENE wind 5 to 10 kt. Sunny. Seas 1 ft or less.

      High: 72 °F

      ENE 10kt
      < 1ft

    • Saturday Night

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

      Low: 60 °F

      Light Wind
      < 1ft

    • Sunday

      Sunday:E wind 5 to 10 kt. Mostly sunny. Seas 1 ft or less.

      High: 73 °F

      E 10kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:01 am CST Feb 25, 2026
Forecast Valid: 7am CST Feb 25, 2026-6pm CST Mar 3, 2026

View Nearby Observations

Detailed Forecast


Today
SSW wind 10 to 15 kt, with gusts as high as 20 kt. Mostly sunny. Seas around 1 ft.
Tonight
SSW wind around 10 kt. Partly cloudy. Seas around 1 ft.
Thursday
SSW wind around 10 kt. A slight chance of showers after noon. Seas around 1 ft.
Thursday Night
S wind 5 to 10 kt becoming WSW after midnight. A chance of showers. Seas around 1 ft.
Friday
WSW wind 5 to 10 kt becoming NE in the afternoon. A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and 3pm, then a chance of showers after 3pm. Seas around 1 ft.
Friday Night
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Saturday
ENE wind 5 to 10 kt. Sunny. Seas 1 ft or less.
Saturday Night
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Sunday
E wind 5 to 10 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: 2:01 am CST Feb 25, 2026
Forecast Valid: 7am CST Feb 25, 2026-6pm CST Mar 3, 2026
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