Inundation Analysis Tool


8720503 Red Bay Point, St Johns River, FL

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

Note that this is a historical station and data may be available between 1995-04-24 00:00:00 and 2017-10-07 20:54:00


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 -0.014 -0.05 Mean High Water
DTL -0.153 -0.5 Mean Diurnal Tide Level
MTL -0.145 -0.48 Mean Tide Level
MSL -0.14 -0.46 Mean Sea Level
MLW -0.277 -0.91 Mean Low Water
MLLW -0.306 -1.0 Mean Lower-Low Water
NAVD88 -0.087 -0.29 North American Vertical Datum
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