Point Forecast: 29NM NE Grand Isle LA
 29.61N 89.63W
Last Update: 11:32 am CST Dec 6, 2025
Tabular Forecast
[hide menu]Get as XML
Weather ElementsWeather/PrecipitationMarine Weather
Temperature (°F)
Dewpoint (°F)
Wind Chill (°F)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)
Rain
Thunder
Snow
Freezing Rain
Sleet
Freezing Spray
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  

Date12/0612/07
Hour (CST)161718192021222300010203040506070809101112131415
Surface Wind (kt)766555444333333333334555
Wind DirENEEEENEEEEESEESEESEEEEENENENNENNENNENENENEENEEE
Gust
Significant Wave Height (ft) 111111110000000000001111
Swell Height (ft)
Swell Dir
Swell Period (sec)
Swell 2 Height (ft)
Swell 2 Dir
Swell 2 Period (sec) 000000000000000000000000
Wind Wave Height (ft)

Date12/08
Hour (CST)161718192021222300010203040506070809101112131415
Surface Wind (kt)54456791012141617181919191817171615141414
Wind DirEEEEENEENENENNNWNNWNNWNNWNNWNNNNNNNNNNN
Gust
Significant Wave Height (ft) 111111113335555554444443
Swell Height (ft)
Swell Dir
Swell Period (sec)
Swell 2 Height (ft)
Swell 2 Dir
Swell 2 Period (sec) 000000000000000000000000
Wind Wave Height (ft)

Additional Forecasts and Information
International System of 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