Waves swell in North Carolina’s Outer Banks
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Two more tropical systems trail Hurricane Erin, which is following a projected course that brushes past the East Coast without making landfall.
Hurricane Erin is forecast to "substantially grow in size" as it moves across the western Atlantic, according to the National Hurricane Center.
Forecasts nudge Erin's likely path to the west, increasing the risks at U.S. beaches. Experts say the storm's massive size, rather than windspeed, is what makes it a threat.