Datum Conversions - Ocean City MD (OCIM2) 
Flood Level MLLW MHHW NAVD88
Zero MLLW 0.00 -2.46 -1.73
Action 3.50 1.04 1.77
Minor 4.00 1.54 2.27
Moderate 5.00 2.54 3.27
Major 6.00 3.54 4.27