Saint Johns River - Mayport Basin Wind ForecastUnited StatesFLDuval CountySaint Johns River - Mayport Basin1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Saint Johns River - Mayport Basin wind forecast issued today at 6:30 am. Next forecast at approx. 6:30 pm.Get WillyWeather+ to remove ads