River Derwent - Geilston Bay Boat Club UV IndexAustraliaTASHobartRiver Derwent - Geilston Bay Boat Club1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAARiver Derwent - Geilston Bay Boat Club UV forecast issued yesterday at 10:07 pm. Next forecast at approx. 10:07 pm.Get WillyWeather+ to remove ads