Tropical Storm Erin has formed on a path toward the Caribbean and is expected to strengthen to a hurricane later in the week as it passes by Puerto Rico. Most models forecast the storm turning upward into the Atlantic Ocean, but a few see the storm continuing onward to the U.S. mainland.

Tropical Storm Erin has formed in the Atlantic Ocean and is expected to strengthen to a Category 3 hurricane by the weekend, potentially causing strong rip currents and large waves on the East Coast beaches.