Answer
Undertow is a loose popular term—lifeguards and NOAA use rip-current guidance. Learn the parallel escape rule rather than outdated undertow myths.
Sources: NOAA / National Weather Service rip current guidance · Ocean City Beach Patrol
Editorial visitor guidance for Ocean City, Maryland. Confirm current Town of Ocean City, Maryland DNR, NPS Assateague, and NWS rules when regulations or safety apply.
