The entire east coast areas of Massachusetts as well as Cape Cod and Nantucket.
WHEN
Until 8 PM EDT this evening.
IMPACTS
Rip currents can sweep even the best swimmers away from shore into deeper water.
Recommendations
Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.