Inundation Analysis Tool


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 analysis results are presently provided in meters relative to the requested threshold.

Meters relative to MHHWFeet relative to MHHWDatum
MHHW 0.0 0.0 Mean Higher-High Water
MHW -0.155 -0.51 Mean High Water
DTL -0.759 -2.49 Mean Diurnal Tide Level
MTL -0.725 -2.38 Mean Tide Level
MSL -0.723 -2.37 Mean Sea Level
MLW -1.295 -4.25 Mean Low Water
MLLW -1.519 -4.98 Mean Lower-Low Water
User Specified Elevation         in       relative to   

Note: Data query is limited to a 10 year maximum and 1 month minimum date range when requesting an analysis of 6-minute data

6-minute Height and High Water Analysis
Hourly Height and High Water Analysis
Hourly Height Analysis