Inundation Analysis Tool


8557380 Lewes, DE

Please see the data inventory to find a period with hourly or six-minute data available.
Data Inventory

Select a reference elevation and specify a date range for analysis.

You may select from an accepted tidal datum or specify a different elevation.
Most elevations on land are given relative to a geodetic datum such as NAVD88

All elevations must be entered in meters relative to the station datum.

Meters above station datumFeet above station datumDatum
MHHW 2.266 7.43 Mean Higher-High Water
MHW 2.138 7.01 Mean High Water
DTL 1.557 5.11 Mean Diurnal Tide Level
MTL 1.517 4.98 Mean Tide Level
MSL 1.528 5.01 Mean Sea Level
MLW 0.896 2.94 Mean Low Water
MLLW 0.848 2.78 Mean Lower-Low Water
NAVD88 1.649 5.41 North American Vertical Datum
User Specified Elevation     (in meters relative to station datum)



Note: Data query is limited to a 5 year maximum and 1 month minimum date range.