41. Wherever Jeanne lands, it is expected to bring powerful waves and rip currents through the weekend. 42. Nags Head from strong rip currents and waves. 43. Oceanographers have two theories on rip current formation. 44. Rip currents threatened Thanksgiving day swimmers in southern Florida after several days of steady onshore winds.45. A rip current does not usually pull swimmers under, but rather sweeps them out to sea. 46. Beaches with flags warning swimmers of rip currents . 47. High surf and rip currents caused lifeguards in the region to restrict swimming in the ocean. 48. Large swells may create potentially dangerous rip currents as water flows through passages between the reef. 49. Marine officials, however, estimate that the vast majorities of lifeguard rescues are caused by rip currents . 50. :Another example is the article on rip current .
