Datum Conversions - Crisfield MD (CRSM2)
Flood Level	MLLW	MHHW	NAVD88
Zero MLLW	0.00	-2.15	-1.16
Action	3.00	0.85	1.84
Minor	3.50	1.35	2.34
Moderate	4.00	1.85	2.84
Major	5.00	2.85	3.84