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 today at 11:18 am. Next forecast at approx. 11:18 am. UV IndexGet WillyWeather+ to remove ads