Every year, 13 million boaters face shifting
shoals, changing channels, moving buoys,
and newly discovered hazards.
These changes happen daily, and it’s your
responsibility to be aware of them.
Click here to find updates for your electronic and paper charts.
Updated charts are critical.
Alliance for Safe Navigation shares spring commissioning resources for boaters.
Natural and artificial changes are occurring constantly.
View charts that contain the latest changes.
Be aware of water changes in your area.