Inundation Analysis Tool


8771416 Galveston Bay Entrance, South Jetty, 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 1925-05-02 00:00:00.0 and 2003-07-15 23:59:00.0


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 -0.061 -0.2 Mean High Water
DTL -0.327 -1.07 Mean Diurnal Tide Level
MTL -0.294 -0.96 Mean Tide Level
MSL -0.297 -0.97 Mean Sea Level
MLW -0.527 -1.73 Mean Low Water
MLLW -0.653 -2.14 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