ultraviolet index in Dog Hammock (Sapelo River) (1.6 mi.) | ultraviolet index in Creighton Narrows Entrance (Crescent River) (2.9 mi.) | ultraviolet index in Head of Mud river (2.9 mi.) | ultraviolet index in Blackbeard Creek (Blackbeard Island) (4 mi.) | ultraviolet index in Blackbeard Island (5 mi.) | ultraviolet index in Bellville Point (Sapelo River) (5 mi.) | ultraviolet index in Barbour Island (Barbour Island River) (5 mi.) | ultraviolet index in Dallas Bluff (Julienton River) (6 mi.) | ultraviolet index in Old Tea Kettle Creek (daymark 173) (6 mi.) | ultraviolet index in Hudson Creek Entrance (6 mi.) | ultraviolet index in Pine Harbor (Sapelo River) (6 mi.) | ultraviolet index in South Newport River (daymark 135) (7 mi.) | ultraviolet index in Harris Neck (Barbour Island River) (8 mi.) | ultraviolet index in Old Tower (Sapelo Island) (8 mi.) | ultraviolet index in Thomas Landing (S. Newport River) (9 mi.) | ultraviolet index in Eagle Neck (South Newport River) (10 mi.) | ultraviolet index in Rockdedundy River (daymark 185) (10 mi.) | ultraviolet index in North Newport River (11 mi.) | ultraviolet index in South Newport Cut (North Newport River) (11 mi.) | ultraviolet index in Threemile Cut Entrance (Darien River) (12 mi.)