Inundation Analysis Tool

8772447 Freeport, TX

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 2006-09-20 00:00:00.0 and 2020-05-24 18:45:00.0

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 -0.043 -0.14 Mean High Water
DTL -0.251 -0.82 Mean Diurnal Tide Level
MTL -0.233 -0.76 Mean Tide Level
MSL -0.228 -0.75 Mean Sea Level
MLW -0.424 -1.39 Mean Low Water
MLLW -0.502 -1.65 Mean Lower-Low Water
NAVD88 -0.318 -1.04 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