Invest 97L, an area of low pressure associated with tropical wave now has a high probability of developing next week.

"The Tropics are heating up with 3 systems that we are monitoring," the agency warned, as it shared a map of the weather patterns sparking concern out at sea.

Erin became the first Atlantic hurricane of the year on Friday morning as it churned toward Caribbean islands. The storm had winds of 75 mph by 11 a.m. Eastern, according to the National Hurricane Center.