Are BlueWater Navigation Lights Coast Guard Approved? Follow At this time, BlueWater Navigation Lights have not yet gone through the U.S. Coast Guard approval process. Related articles Please define the Bluewater LED Limited Lifetime Warranty? Can you provide a sample of the LED colors? Which light would you choose for a boat spotlight? How can I get product technical support? What is T-H Marine's office phone number? Comments 0 comments Please sign in to leave a comment.