UPDATE 4:25 p.m.- Units on the scene have said the Coast Gaurd has not made contact with the vessel. Air support is still searching.
Long Beach, Calvert County, MD 3:45 p.m.- A boat has been reported to be taking on the water in the area of Kenwood Beach. The three boaters have been in contact with emergency crews and have said they were taking on water, and all persons have life vests. It is reported that the Coast Guard has located the vessel.
Emergency crews are attempting to locate the vessel with a zodiac and helicopter support.
Watch for emergency crews in the area.