Inundation Analysis Tool


8770931 SMITH POINT, GALVESTON BAY, 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 1995-05-09 00:00:00 and 2020-06-16 23:59:00


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 -0.021 -0.07 Mean High Water
DTL -0.194 -0.64 Mean Diurnal Tide Level
MTL -0.189 -0.62 Mean Tide Level
MSL -0.177 -0.58 Mean Sea Level
MLW -0.357 -1.17 Mean Low Water
MLLW -0.388 -1.27 Mean Lower-Low Water
NAVD88 -0.35 -1.15 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