Breakwaters that were 40-m long, 60-m apart, and 50-m
offshore (Fig. 7b and c) were proved by GENESIS to be effective in
protecting the beach (Fig. 7a). Due to the fact that shoreline along
the downdrift side of the last breakwater would inevitably experience
severe erosion, there was a need to locate the last breakwater
at a suitable location. Undeveloped land, especially at the tip
of the spit was considered the appropriate stop (Fig. 1).
Gaps between the breakwaters were wide enough to accommodate 2
boats sailing in the opposite direction. The breakwaters did not
prevent fishermen from moving their boats up the shore. They also
provided shelters from storm waves since their crest elevations
were þ3.70 m above the MSL (Fig. 7d).
and the disappearing sandy beach.