Infrastructure maintenance – June 17th, 2026, 10:30 PM to 12:00 AM (EST)

System maintenance is planned on Wednesday, June 17th, 2026, from 10:30 PM to 12:00 AM (EST). During this time, you may not have access to the CHS Tides station map, Chart Index, Bathymetry Index and the Dealer Locator. We apologize for the inconvenience.