A weakening Hurricane Erin is moving closer towards Bermuda as weather officials are keeping an eye on the two weather patterns that could  affect the region over the next seven days. The Miami-based National Hurricane Center (NHC) said that Erin is an estimated 555 miles west south west of Bermuda with maximum sustained winds of 100 miles per hour (mph).

Hurricane Erin on Wednesday grew in size as it made its way up into the Atlantic off the U.S. East Coast with tropical-storm conditions forecast to hit North Carolina and dangerous surf left

Hurricane Erin weakened to a Category 3 hurricane during the early hours of Aug. 19 as it moves closer to the East Coast, according to the National Hurricane Center.

Hurricane watchers are eying systems in the Atlantic basin. One has a medium chance of developing later this week.

Hurricane Erin is deemed a potential threat to Bermuda as a Category 4 storm, the Bermuda Weather Service warned. According to the BWS 6am advisory, the storm was upgraded from Category 3 overnight

Forecasters are watching a new tropical system that may form behind Hurricane Erin, which is intensifying again Monday as it tracks off the U.S. coast.

Erin was a Category 3 hurricane Sunday, the National Hurricane Center said in its 11 a.m. ET update, with sustained winds of 125 mph, with tropical storm-force winds reaching out 205 miles. The storm is expected to continue to fluctuate in intensity,