The search continues for a tourist who is believed to have gone missing after surfing off Oahu's North Shore.The Coast Guard and Honolulu firefighters began searching for 51-year-old Robert Rumburg Wednesday night after he was reported missing near Sunset Beach. He was scheduled to fly to Colorado that night. Friends reported him missing after finding his wallet, keys and rental car still at their home.A surf board he borrowed washed up on shore Wednesday night.Rumburg is described as 6 feet 2 inches tall and was last seen wearing black shorts. He's said to be in excellent health and has no medical issues.Fire Capt. Terry Seelig said Friday's plan involves searching with a helicopter, jet ski, boat and divers.