Potomac River - Wicomico River (Potomac) Entrance Wind ForecastUnited StatesMDSt Marys CountyPotomac River - Wicomico River (Potomac) Entrance1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Potomac River - Wicomico River (Potomac) Entrance wind forecast issued today at 4:30 am. Next forecast at approx. 4:30 pm.Get WillyWeather+ to remove ads