Storm surge watch is issued for North Carolinas Outer Banks
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The already sprawling storm will grow larger as it hurls the ocean toward the East Coast and Bermuda, and it could have company this week.
Two more tropical systems trail Hurricane Erin, which is following a projected course that brushes past the East Coast without making landfall.
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Scripps News on MSNHurricane Erin forecast to churn up dangerous swells and winds from Florida to New England
Hurricane Erin is expected to brush the coast of North Carolina on Wednesday, forcing officials to issue warnings and evacuation notices.
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.