Lummi Island - Bumstead Spit UV IndexUnited StatesWAWhatcom CountyLummi Island - Bumstead Spit1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAALummi Island - Bumstead Spit UV forecast issued yesterday at 10:05 pm. Next forecast at approx. 10:05 pm.Get WillyWeather+ to remove ads