Bonnie has weakened to a tropical depression with winds near 35 mph after crossing Florida.. Forecasters with the U.S. National Hurricane Center said the storm was over the Gulf just off Naples, Florida late Friday. Forecasters said the center of Bonnie came ashore Friday midday near Cutler Bay, about 20 miles south of Miami. Bonnie is expected to strengthen as it moves over the Gulf. The storm is moving west-northwest near 18 mph (30 kph).