http://www2.sunysuffolk.edu/mandias/38hurricane/storm_surge_maps.html
large PDF of hurricane surge zones
from the site:
Some of the key observations from the above include:
Category 1 hurricanes inundate just about all of the immediate south shore of the Island, including the north side of Great South Bay locations and both sides of the north and south forks.
Montauk Highway (RT. 27A) is completely covered by flood waters during a Category 3 hurricane. Therefore, this road would be considered impassable during the storm.
The highest storm surges (Category 4) would occur in the following regions:
Amityville Harbor - 29 feet
Atlantic Beach & Long Beach areas - 24 to 28 feet
South Oyster Bay, Middle Bay, & East Bay areas - 24 to 28 feet
Montauk Point is completely cut off from rest of south fork during a category 1 storm.
Much of the north and south forks are entirely under water during a category 3 hurricane.
A category 4 hurricane inundates the entire towns of: Amityville, Lindenhurst, Babylon, West Islip, East Islip, Bayshore, Gilgo Beach, Cedar Beach, Great South Beach, Fair Harbor, Cherry Grove, Cupsogue, Westhampton Beach, Watermill Beach, Wainscott Beach, Plum Island, Gardiner's Island, Orient, Shelter Island (except for a few high points), Greenport, North Haven, Amagansett Beach, Napeague Beach, Montauk, Woodmere, Valley Stream, Linbrook, Long Beach, Atlantic Beach, Freeport, Merrick, Wantagh, Lido Beach, Jones Beach, and Tobay Beach.
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