Hurricane Erin has been downgraded to a Category 3 hurricane. A tropical storm warning is in effect for the Turks and Caicos Islands as winds and heavy rains continue to lash the Virgin Islands and Puerto Rico.

Hurricane Erin on Monday reinvigorated as a major Category 4 storm as it moves near the Bahamas while the National Hurricane Center increased the odds a system following in the Atlantic could

As of the National Hurricane Center’s 8 a.m. advisory, the center of Erin was located about 115 miles north-northeast of Grand Turk Island and 890 miles

U.S. shores are unlikely to see a direct hit, but a strong offshore hurricane can produce massive and dangerous waves well away from its center.

Most of Erin’s intensification occurred during a 12- to 15-hour window overnight, according to Dan Pydynowski, a meteorologist at AccuWeather. By 5 p.m. Friday, Erin’s winds had remained only 75 mph.

Hurricane Erin pelted parts of the Caribbean and was forecast to create dangerous surf and rip currents along the U.S. East Coast this week.

Hurricane Erin weakened to a Category 3 storm with maximum sustained winds of 125 mph as its outer bands pounded the Virgin Islands and Puerto Rico with gusty winds and heavy rains early Sunday.

Hurricane Erin is forecast to continue growing in size, with hurricane-force winds extending up to 50 miles from its center.