Warning: AIS & RADAR

This site is not a substitute for proper training in navigation and associated boating skills, such as those offered by The American Sailing Association, US Sailing, The US Coast Guard Auxiliary, and the Power Squadron.

These materials are freely provided for reference only, use at your own risk. 

Seattleonthewater is not responsible for their appropriateness, accuracy, currentness, etc.

It's recommended that you always carry paper charts on board, and equipment to use them, in the event of electronic failure.