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

Date Range

NOAA Tide Stations

USGS Clear Lake 2nd Outflow Station

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.