The ornamental design for an emergencyfloatation for boats, as shown and described.
FIG. 1 is a front elevation view of an emergency flotation for boats
showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a right end elevational view thereof; and
FIG. 4 is a perspective view thereof, showing the design in normal position
for use. The broken lines are for illustrative purposes only and form no
part of the claimed design.