Station Information

Station ID: 497
Latitude: 26.06
Longitude: -97.215
Coastline code: 940
Station code: 1
Time span of data: 1944 – 2016
Completeness (%): 96
Frequency Code: 24
Date of last update: 02 Feb 2017

Green Arrow: Current Station
Yellow Marker: Neighbouring RLR 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: TXLN

Station Documentation

Link to RLR information.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 29-JUL-93 :
Many stations on the Gulf coast have large values for September 1961.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-JUN-91 :
Port Isabel 940/001 RLR(1970) is 9.0m below BM6
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 27-Jul-2011 :
The data was downloded from the NOAA site. Datum information was also extracted. The NOAA Primary Benchmark is now NO 10 1973 4.276 above TGZ.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 13-Feb-2014 :
Whole dataset was downloaded from NOAA. There were data point revised throughout 1971-1972 and 1977-1995. Adjustments were in the order of 2-3mm. Datum level for Sept. 2011 - Oct. 2012 was also adjusted.

Data Authority

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