Mill Cove - New Castle Island Wind ForecastUnited StatesFLDuval CountyMill Cove - New Castle Island1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Mill Cove - New Castle Island wind forecast issued today at 4:30 am. Next forecast at approx. 4:30 pm.Get WillyWeather+ to remove ads