Hurricane Erin is marching north, lashing North Carolina's Outer Banks with rough waves and coastal flooding, and bringing a threat of dangerous waves and potentially deadly rip currents to the East Coast. Due to the high surf and rip current risk, New York City is extending its swimming ban.

Hurricane Erin, churning north in the Atlantic hundreds of miles offshore, is expected to trigger a dangerous storm surge and tropical storm conditions on Wednesday along North Carolina’s Outer Banks and other stretches of the U.