Jupiter Island Summary & Conclusions

• A deepening trend in the offshore portion of the profiles (1000 feet to 1800 feet seaward of the E.C.L.) accounts for a loss of approximately 1,373,000 cubic yards, leaving the net gain to the system at 368,000 cubic yards of sand.  The deepened area spans from the southern extent of the nearshore outcrop at the Public Beach to the southern end of the monitoring area.  The magnitude of profile lowering varies from 0 feet to 3 feet.
• Profile deepening in the offshore area may be a result of an extremely active 1995 hurricane season combined with a series of large northeasterly storms during the winter of 1996.  Of the nineteen named storms which occurred during the 1995 season, two hurricanes, Erin and Jerry, made landfall in Florida and 3 other storms took courses which affected Florida's east coast.  Although no storm made direct landfall onto Jupiter Island, each of these five storms brought high seas and strong currents to the island's beach.
• The strongest storm of the year occurred during the second week of March 1996.  Seas from this storm approached the seawalls and dunes, overtopping most of the island's beach, including the new beach fill.  This storm created visible changes to the profile of the beach, more particularly a lower berm with a shallow planar beach slope.  A large portion of the changes in the seaward section of the beach profiles may have occurred at this time as well.

• There is no summary available since the 1997 monitoring report.
• There is an apparent increase of volume totalling 880,000 cubic yards from 1998 to 1999.  However, no report of this renourishment is available at this time.