Knappa Slough - Knappa Wind ForecastUnited StatesORClatsop CountyKnappa Slough - Knappa1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Knappa Slough - Knappa wind forecast issued today at 11:28 am. Next forecast at approx. 11:28 pm.Get WillyWeather+ to remove ads