GLOSS Station Handbook – Galveston (Pier 21), TX

The GLOSS Station Handbook is currently being re-designed and upgraded.

Until a new version is available, the tide gauge station list below from the last version of the Handbook provides links to further details about each tide gauge in the GLOSS Core Network. Click column headings to sort the station list table. Click the GLOSS number buttons to view the station information.

Station information

General
Gloss number	217
Station name	Galveston (Pier 21), TX
Country	U.S.A.
Time zone	090W, GMT - 6hrs
Latitude (+ve N)	29.31666
Longitude (+ve E)	-94.8
Ocean	Atlantic
Observation periods	1908-, being upgraded 2007
Responsible country	U.S.A.
Authority responsible for tide gauge	NOAA, National Ocean Service, 1305 East-West Highway, Silver Spring, MD 20910-3281, USA
GLOSS contact	USA
Committed to GLOSS	Yes
Operational	Yes
Location map
Instrumentation
Float	Yes
Pressure	Yes
Bubbler	Yes
Acoustic	Yes
Radar	No
Data
Digital data	Yes
Additional parameters	Surface temperature and density
Data acquisition rate	6 minute intervals
Fast delivery data at UHSLC	Data 775 File format
High frequency data at UHSLC	Data 775a Document 775a File format
Data held at national organisation	Yes
Real-time data available	Yes
Real-time data transmitted to GLOSS Fast Centre
Additional parameters (real-time)	None
Benchmarks
Tide gauge benchmark	US Army Corps of Engineers survey disk stamped '7.151' set in the sidewalk near the northeast corner of the Hendley Building on 20th Street, Galveston, TX.
Benchmark relationships	TGBM is 10.183 feet above tide staff zero TGBM = 5.63 feet above mean lower low water (1960-1978 epoch) TGBM = 4.81 feet above mean sea level (1960-1978 epoch) TGBM = 4.31 feet above mean high water (1960-1978 epoch)
Auxiliary benchmarks	USC & GS 32 1913 No stamping 1 = 13.362ft USC & GS J305 1935 USED 19 bolt USC & GS 40 1935 reset 1450A 1989 = 11.058ft USC & GS 41 1935 reset Aquatrak Levelling Point = 20.147ft USC & GS 42 1943 = 9.981ft NOS NO 2 1974 = 9.979ft Heights are in feet above staff zero
Data at PSMSL
Annual MSL (RLR) data	RLR 828 RLR 161
Annual MSL (RLR) plot
PSMSL code	161
Other relevant codes	UHSLC 775
Additional information
Other relevant information	Nearby station located at Galveston Pleasure Pier (outside on the Gulf of Mexico) has shorter and less continuous record length than Galveston Pier 21 (inside) station described above (PSMSL Code 940/007; PSMSL hold data 1957-1973, 1978-1990).
Last updated	5 December 1993