The other disturbance is predicted to form further out at sea in the main development region, the spot where most hurricanes form during this portion of storm season. Forecasters raised the likelihood of this tropical wave forming a tropical depression up to 50% in the next seven days, as of Monday afternoon.

Where is Dexter heading next? The rotating center of Dexter was more than 250 miles west-northwest of Bermuda early Monday morning, according to the National Hurricane Center. Peak sustained winds within Dexter's core were estimated to be as strong as 45 mph,

The storm known as Dexter developed late Sunday and was moving east-northeast on Monday, with maximum sustained winds of 45 mph, according to the National Hurricane Center.