Grand Isle Wind ForecastUnited StatesLAJefferson ParishGrand Isle1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Grand Isle wind forecast issued today at 10:33 am. Next forecast at approx. 10:33 pm.Grand Isle Wind Statistics February WindPort Fourchon (14.9 miles)2026JanuaryFebruaryStrongest – Average February–Strongest – Average January–Strongest – Average 2026–Climate (2011–Present)Port Fourchon (14.9 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 29 September, 202023mph NNEAverage –18mphGet WillyWeather+ to remove ads