Station Information

Station ID: 538
Latitude: 28.021667
Longitude: -97.046667
Coastline code: 940
Station code: 5
Time span of RLR data: 1948 – 2023
RLR completeness (%): 84
Time span of metric data: 1948 – 2023
Metric completeness (%): 85
Date of last update: 10 Jan 2024

Green Arrow: Current Station
Yellow Marker: Neighbouring RLR Station
Red Marker: Neighbouring Metric Station

Please note: In many cases, the station position in our database is accurate to only one minute. Thus, the tide gauge may not appear to be on the coast.

Additional Data Sources (guide to additional data sources)

Nearby GNSS Stations from SONEL: TXRP
Research Quality Data from UHSLC station 769: hourly and daily

Station Documentation

Link to RLR information.

Documentation added 1991-06-11

Rockport 940/005 RLR(1972) is 8.2m below BM3

Documentation added 1993-07-29

Many stations on the Gulf coast have large values for September 1961.

Data Authority

N.O.A.A. / N.O.S.
N/oes33, Ssmc4, Room 6531
1305 East-West Highway
Silver Spring,
MD 20910