Date:20-Apr-2000 09:43am NASSAU COUNTY 100 year storm surges Ranges 100 SS ------ ------ 1- 20 13.9 ft.-NGVD 21- 30 13.8 31- 40 13.7 41- 50 13.6 51- 60 13.5 61- 70 13.4 71- 82 13.2