Hurricane Erin's eyewall is now about 30 nautical miles, with hurricane-force-winds extending 80 miles from its eye.

Rip currents are the third leading cause of deaths from hurricanes, and they can happen on a sunny day hundreds of miles from the storm.

While the category 4 storm is not expected to make landfall on the U.S. east coast, it will have an impact nonetheless. Dangerous high surf and rip currents are expected from Florida to New England throughout the week.

Hurricane Erin is a sprawling Category 4 storm churning in the Atlantic Monday after exploding in strength at a historic rate this weekend. The storm’s enormous footprint is becoming the biggest concern.

This wave is so new that the hurricane center has yet to dub it an “invest,” a technical term that kicks off heightened scrutiny and allows global hurricane models to pick up the system and begin issuing estimated forecast tracks.

According to a post to X from Michael Lowry, a hurricane specialist for a south Florida news station, Erin is the fifth Category 5 storm on “record to form this early in the hurricane season and the only Category 5 observed outside the Gulf or Caribbean this early in the year.”

Here's a quick, easy-to-read look on the latest about Hurricane Erin, including what Florida residents should know.