Great Cranberry Island - Preble Cove UV IndexUnited StatesMEHancock CountyGreat Cranberry Island - Preble Cove1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAAGreat Cranberry Island - Preble Cove UV forecast issued today at 3:18 pm. Next forecast at approx. 3:18 pm.Get WillyWeather+ to remove ads