The  National Weather Service is asking boaters on the bay and Lake Michigan to head to safe harbors due to a line of thunderstorms hitting the area Sunday evening. Isolated storms are heading southeast along the Wisconsin/Upper Michigan border at 50 miles per hour. Strong, gusty winds and hail could be a part of the storms. The National Weather Service states the severe weather pattern could also affect other parts of Brown, Door, and Kewaunee counties until midnight on Sunday.