South Santee River - Highway 17 Bridge UV IndexUnited StatesSCCharleston CountySouth Santee River - Highway 17 Bridge1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAASouth Santee River - Highway 17 Bridge UV forecast issued today at 2:17 pm. Next forecast at approx. 2:17 pm.Get WillyWeather+ to remove ads