The remaining areas constitute the Summer Zones.
However, for ships of 100 metres (328 feet) and under in length,
the area bounded—
on the north and west by the east
coast of the United States;
on the east by the meridian
of longitude 68°30'W from the coast of the United States to latitude
40°N and thence by the rhumb line to the point latitude 36°N,
on the south by the parallel of latitude
is a Winter Seasonal Area.