Hurricane Erin, North Carolina
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Two other tropical waves in the tropical Atlantic also bear watching, but models show limited support for development this week.
Dozens of people have been rescued from rip currents as Hurricane Erin churns up the Eastern seaboard. Authorities said about 60 people have been rescued from rip currents at Wrightsville Beach, N.C., according to the Wilmington Star-News and NBC affiliate WRAL-TV.
NHC forecasters said Wednesday that beachgoers should avoid swimming "at most U.S. East Coast beaches" due to life-threatening surf and rip currents.
Erin continues to grow in size, and its impacts from high surf, rip currents and coastal flooding are already increasing along parts of the East Coast. Here's the latest forecast.