Prospect Slough - French Island Wind ForecastUnited StatesCASolano CountyProspect Slough - French Island1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Prospect Slough - French Island wind forecast issued yesterday at 11:28 pm. Next forecast at approx. 11:28 am.Get WillyWeather+ to remove ads