Tide & Water Level Charts
Tide information for Galveston Bay from NOAA and water level by USGS
2 Stations Comparison - May 29 to Jun 1, 2026
Data Sources: NOAA Tides & Currents (Datum: MLLW - Mean Lower Low Water)
| USGS Water Levels (Datum: NGVD 1929 elevation)
| USGS Wind Data
| NOAA Wind Forecast
Note: NOAA tide predictions use MLLW datum, USGS water levels use NGVD 1929. These reference different zero points and values are not directly comparable. Times shown in Local Standard Time.