Fisherman describes a 6-foot wave near the New Jersey coast . Meteorological factors and the slumping of the continental shelf east of New Jersey may have played a role , the center said . Tidal sensors also detect tsunami - like waves . Scientists are studying what caused the waves , the National Weather Service says .
Fisherman describes a 6-foot wave near the New Jersey coast . Tidal sensors also detect tsunami - like waves . Scientists are studying what caused the waves , the National Weather Service says .