Simplify the following text for a Grade 7 native English-speaking person.
Original: After Chantal passed Bermuda , a ship with the call sign C60Y4 recorded sustained winds of 37 mph ( 59 km\/h ) over the open waters of the north Atlantic Ocean .
Simplified: After Chantal passed Bermuda , a ship with the call sign of C60Y4 recorded winds of 37 mph ( 59 km\/h ) .