Biscayne Bay - MacArthur Causeway UV IndexUnited StatesFLMiami-Dade CountyBiscayne Bay - MacArthur Causeway1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAABiscayne Bay - MacArthur Causeway UV forecast issued yesterday at 3:19 pm. Next forecast at approx. 3:19 pm.Get an account to remove ads