Tropical Storm Erin’s path puts some homeowners at heightened risk, as the storm starts building into a hurricane tracked by meteorologists. Track Hurricane Erin with our collection of maps as it moves past the Greater Antilles, bringing impacts from the Caribbean to the East Coast and Bermuda.

Erin was a Category 3 hurricane Sunday morning, the National Hurricane Center said in its 8 a.m. update, with sustained winds of 125 mph, with tropical storm-force winds reaching out 205 miles.

Erin, which quickly strengthened into a Category 5 storm on Saturday, is not expected to make landfall in the U.S., but experts remain on alert.

Officials in the northern Caribbean are warning of heavy rains and dangerous swells as Tropical Storm Erin approaches the region.

Watch a live tracker of Hurricane Erin as it moves through the northeast Caribbean. The first Atlantic hurricane of the year is not expected to hit land.

An eyewall replacement cycle is underway within Hurricane Erin as the monster storm continues to barrel across the Atlantic while bringing gusty winds and rain to Puerto Rico and the Virgin Islands after rapidly intensifying into a catastrophic Category 5 hurricane over the weekend.

Erin, the first hurricane of the season, is now forecast to become a Category 4 by Sunday. Here's where it could head in the week ahead.