(CATH) St. Catherine's Island

Location: Potomac River, St. Mary's County, Maryland

Site Parameters
  • Land Use: Spit/ Dredge Disposal
  • Coast Type: Spit
  • Date Installed: March 1989
  • Type: Headland Breakwaters
  • Number of Breakwaters: 3
  • Number of Bays: 4
  • Shore Direction of Face: Northeast
  • Shore Type: Marsh
  • Average Shore Height (feet): 5
  • Average Fetch (miles) 4.6
  • Distance to 6 ft Contour (feet): 1900
View this location on the Breakwaters Map