11NM N Grand Isle LA

Marine Point Forecast

[NOTICE]
    • Saturday

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

      High: 76 °F

      Light Wind
      < 1ft

    • Saturday Night

      Saturday Night:SE wind 5 to 10 kt. Partly cloudy. Seas 1 ft or less.

      Low: 66 °F

      SE 10kt
      < 1ft

    • Sunday

      Sunday:S wind 10 to 15 kt. A slight chance of showers after 4pm.   Seas 1 ft or less.

      High: 81 °F

      S 15kt
      < 1ft

    • Sunday Night

      Sunday Night:S wind 15 to 20 kt becoming WNW 20 to 25 kt after midnight. Winds could gust as high as 30 kt. Showers and thunderstorms likely before 1am, then showers and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am.   Seas 1 ft or less.

      Low: 50 °F

      ⇑WNW 25kt
      < 1ft

    • Monday

      Monday:NNW wind 20 to 30 kt. A chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 10am.   Seas around 1 ft.

      High: 60 °F

      NNW 30kt
      1ft

    • Monday Night

      Monday Night:N wind around 20 kt, with gusts as high as 25 kt. Mostly cloudy. Seas around 1 ft.

      Low: 42 °F

      N 20kt
      1ft

    • Tuesday

      Tuesday:N wind 10 to 15 kt. Partly sunny. Seas 1 ft or less.

      High: 58 °F

      N 15kt
      < 1ft

    • Tuesday Night

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

      Low: 50 °F

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

      High: 64 °F

      Light Wind
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:51 am CDT Mar 14, 2026
Forecast Valid: 3am CDT Mar 14, 2026-6pm CDT Mar 20, 2026

View Nearby Observations

Detailed Forecast


Saturday
Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.
Saturday Night
SE wind 5 to 10 kt. Partly cloudy. Seas 1 ft or less.
Sunday
S wind 10 to 15 kt. A slight chance of showers after 4pm. Seas 1 ft or less.
Sunday Night
S wind 15 to 20 kt becoming WNW 20 to 25 kt after midnight. Winds could gust as high as 30 kt. Showers and thunderstorms likely before 1am, then showers and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Seas 1 ft or less.
Monday
NNW wind 20 to 30 kt. A chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 10am. Seas around 1 ft.
Monday Night
N wind around 20 kt, with gusts as high as 25 kt. Mostly cloudy. Seas around 1 ft.
Tuesday
N wind 10 to 15 kt. Partly sunny. Seas 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Wednesday
Variable winds 5 kt or less. 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.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

Point Forecast: 29.44°N 89.98°W
Last Update: 2:51 am CDT Mar 14, 2026
Forecast Valid: 3am CDT Mar 14, 2026-6pm CDT Mar 20, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data