Point Forecast: 29NM NE Grand Isle LA
 29.61N 89.63W
Last Update: 2:11 pm CDT Jul 13, 2025
Tabular Forecast
[hide menu]Get as XML
Weather ElementsWeather/PrecipitationMarine Weather
Temperature (°C)
Dewpoint (°C)
Heat Index (°C)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)
Rain
Thunder
Fog
Swell Period
Swell Hgt/Dir
Swell 2 Period
Swell 2 Hgt/Dir
Wind Wave Height
Significant Wave Height
Freezing Spray

48-Hour Period Starting:       Back 2 Days  

Date07/1307/14
Hour (CDT)161718192021222300010203040506070809101112131415
Surface Wind (kt)888877766555555544433345
Wind DirSSESWSSWSSWSSWSSWSSWSSWSSWSSWSSWSWWSWWWWNWNWWNWNWNEESESSSE
Gust
Significant Wave Height (m) 000000000000000000000000
Swell Height (m)
Swell Dir
Swell Period (sec)
Swell 2 Height (m)
Swell 2 Dir
Swell 2 Period (sec) 000000000000000000000000
Wind Wave Height (m)

Date07/15
Hour (CDT)161718192021222300010203040506070809101112131415
Surface Wind (kt)566777776666789998765444
Wind DirSSSWSWSWSWWSWWSWWWWWWNWWNWWNWNWNWNWNNWNNWNNNNESE
Gust
Significant Wave Height (m) 000000000000000000000000
Swell Height (m)
Swell Dir
Swell Period (sec) 000000000
Swell 2 Height (m)
Swell 2 Dir
Swell 2 Period (sec) 000000000000000000000000
Wind Wave Height (m)

Additional Forecasts and Information
English UnitsForecast Discussion
Marine Point ForecastHourly Weather Graph
National Marine ForecastsTide Information
*New* Local Radar - Hammond, LA (KHDC)*New* National Water Prediction Service
Surface AnalysisInteractive Graphical Forecast
Marine WeatherAviation Weather
NWS New Orleans/Baton Rouge Home