You won't notice much at sea. Maybe a slight change in sea level.
Closer to the land though, water will draw away from the land maybe leaving the sea floor exposed. Then it will surge back in, flooding the land and inundating the coastal area.
Please see attached file for my answer.
Madison is located in the Four Lakes region in south-central Wisconsin about 80 mi (127 km) west of Milwaukee, the state's largest city. A part of Madison is built on the isthmus (land-bridge) between Lake Mendota and Lake Monona. Wisconsin State Capitol.
Explanation:
when it rains in the morning in South Atlantic it floods snow