Inundation Analysis Tool


8721147 Ponce De Leon Inlet South, FL

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
NOS Major -0.323 -1.06 NOS Major Flood Threshold
NOS Moderate -0.323 -1.06 NOS Moderate Flood Threshold
NOS Minor -0.323 -1.06 NOS Minor Flood Threshold
MHHW 0.0 0.0 Mean Higher-High Water
MHW -0.088 -0.29 Mean High Water
DTL -0.519 -1.7 Mean Diurnal Tide Level
MTL -0.541 -1.77 Mean Tide Level
MSL -0.54 -1.77 Mean Sea Level
MLW -0.995 -3.26 Mean Low Water
MLLW -1.04 -3.41 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