Tidal Datums - Published

Station Information

To reach the tidal bench mark from the intersection of State Highway 358 (South Padre Island Drive) go SE on State Highway 358 (SPID) 10.0 miles (16.1KM), to "Y", turn or bear to right at "Y" on Park Road 22, (SPID) and go 4.3 miles (6.90KM), cross Gulf Intracoastal Waterway (GIWW) on John F. Kennedy causeway bridge and immediately turn right under bridge on to north access road, to Coastway Bait & Tackle Shop. The tide station is located on the west side of the Coastway Bait a& Tackle Shop.

Elevations

NAVD 88 datum as per NOAA/CO-OPS database

Status	=	Published
Date Computed	=	23-Apr-2003
Length of Observations	=	122
Time Period	=	1/91-12/01
Control Station	=	015 (1983-2001)
Accuracy	=	unstated

	Meters	Feet
Mean Higher High Water (MHHW)	0.944	3.10
Mean High Water (MHW)	0.943	3.09
Mean Tide Level (MTL)	0.887	2.91
Mean Sea Level (MSL)	0.889	2.92
Mean Low Water (MLW)	0.831	2.73
Mean Lower Low Water (MLLW)	0.830	2.72
North American Vertical Datum 1988 (NAVD88)	0.891	2.92
Station Datum (STND)	0.000	0.00

	Meters above
Bench Mark Stamping	MHHW	MHW	MTL	MSL	MLW	MLLW	NAVD88	STND
5792 B 1988	0.626	0.627	0.683	0.681	0.739	0.740	0.679	1.570
5792 A 1988	0.644	0.645	0.701	0.699	0.757	0.758	0.697	1.588
5792 C 1988	1.252	1.253	1.309	1.307	1.365	1.366	1.305	2.196
5792 D 1988	0.551	0.552	0.608	0.606	0.664	0.665	0.604	1.495
5792 E 1988	1.401	1.402	1.458	1.456	1.514	1.515	1.454	2.345

	Feet above
Bench Mark Stamping	MHHW	MHW	MTL	MSL	MLW	MLLW	NAVD88	STND
5792 B 1988	2.05	2.06	2.24	2.23	2.42	2.43	2.23	5.15
5792 A 1988	2.11	2.12	2.30	2.29	2.48	2.49	2.29	5.21
5792 C 1988	4.11	4.11	4.29	4.29	4.48	4.48	4.28	7.20
5792 D 1988	1.81	1.81	1.99	1.99	2.18	2.18	1.98	4.90
5792 E 1988	4.60	4.60	4.78	4.78	4.97	4.97	4.77	7.69

Bench Mark Descriptions

BENCH MARK STAMPING: 5792 B 1988
MONUMENTATION: Tidal Station Disk
AGENCY:
To reach 5792 B 1988 go 22.9 km (14.20 mi) southeasterly along State Highway 358 and Park Road 22 from the junction of State Highway 286 in Corpus Christi, thence 0.6 km (0.35 mi) westerly along the Intracoastal Waterway turn around, thence 0.5 km (0.30 mi) westerly along the south Intracoastal Waterway turn around, 19.3 m (63.3 ft) north of the centerline of the south turn around, 18.4 m (60.4 ft) south of the centerline of the north turn around, 1.6 m (5.2 ft) west of the center column of the 11th pier west of the east abutment, 0.5 m (1.6 ft) north of a witness post, and 0.3 m (1.0 ft) below the level of the road. Note--the bench mark is a survey disk is encased in a 5-inch PVC pipe and is flush with the ground surface. The GPS coordinates at the mark are 27 deg 38’03.3” N, 097 deg 14’14.1” W.

BENCH MARK STAMPING: 5792 A 1988
MONUMENTATION: Tidal Station Disk
AGENCY:
To reach 5792 A 1988 go 22.9 km (14.20 mi) southeasterly along State Highway 358 and Park Road 22 from the junction of State Highway 286 in Corpus Christi, thence 0.6 km (0.35 mi) westerly along the Intracoastal Waterway turn around, thence 0.4 km (0.25 mi) westerly along the north Intracoastal Waterway turn around, 77.7 m (254.9 ft) north of the road centerline, 16.6 m (54.5 ft) northwest of the southwest corner of the Coastway Bait and Tackle Shop, 9.7 m (31.8 ft) west of the northwest corner of the bait shop, 3.3 m (10.8 ft) northwest of a utility pole, 1.7 m (5.6 ft) south of the north bulkhead, 1.6 m (5.2 ft) east of the west bulkhead, 0.3 m (1.0 ft) below the level of the road, and 0.3 m (1.0 ft) east of the east edge of a sidewalk. Note--the bench mark is a survey disk is encased in a 5-inch PVC pipe and is recessed 0.1 m (0.3 ft) below the ground surface. The GPS coordinates at the mark are 27 deg 38’ 01.3” N, 097 deg 14’12.8 W.

BENCH MARK STAMPING: 5792 C 1988
MONUMENTATION: Tidal Station Disk
AGENCY:
To reach bench marker 5792 C 1988 go 22.9 km (14.20 mi) southeasterly along State Highway 358 and Park Road 22 from the junction of State Highway 286 in Corpus Christi, thence 0.6 km (0.35 mi) westerly along the Intracoastal Waterway turn around, thence 0.4 km (0.25 mi) westerly along the south Intracoastal Waterway turn around, in top of and 6.0 m (19.7 ft) south of the north end of the concrete pile cap of the 7th pier west of the east abutment of the JFK causeway spanning the Intracoastal Waterway, 21.9 m (71.9 ft) southeast of the center of the north turn around, 21.4 m (70.2 ft) northwest of the center of the south turn around, and 0.5 m (1.6 ft) north of the center column of the pier. The bench mark is a survey disk. The GPS coordinates at the mark are 27 deg 37’ 58.7” N, 097 deg 14’ 08.1” W.

BENCH MARK STAMPING: 5792 D 1988
MONUMENTATION: Tidal Station Disk
AGENCY:
To reach bench mark 5792 D 1988 go 22.1 km (13.75 mi) southeasterly along State Highway 358 and Park Road 22 from the junction of State Highway 286 in Corpus Christi, thence 0.6 km (0.35 mi) westerly along the Intracoastal Waterway turn around, thence 0.2 km (0.10 mi) westerly along the south Intracoastal Waterway turn around, 35.6 m (116.8 ft) northwest of the centerline of the turn around, 8.2 m (26.9 ft) southwest of the center of the JFK causeway, 1.3 m (4.3 ft) south of the south column of the 1st pier west of the east abutment, 0.4 m (1.3 ft) southeast of a witness post, and 0.3 m (1.0 ft) below the level of the road. Note--the bench mark is a survey disk is encased in a 5-inch PVC pipe and is flush with the ground surface. The GPS coordinates at the mark are 27 deg 38’ 02.1” N, 097 deg 14’ 17.7” W.

BENCH MARK STAMPING: 5792 E 1988
MONUMENTATION: Tidal Station Disk
AGENCY:
To reach bench mark 5792 E 1988 go 22.9 km (14.20 mi) southeasterly along State Highway 358 and Park Road 22 from the junction of State Highway 286 in Corpus Christi, thence 0.6 km (0.35 mi) westerly along the Intracoastal Waterway turn around, in top of and 1.3 m (4.3 ft) north of the south end of the concrete pile cap of the 15th pier west of the east abutment of the JFK causeway bridge spanning the Intracoastal Waterway, 32.2 m (105.6 ft) north of the center of the south turn around, 5.8 m (19.0 ft) south of the road center, 1.0 m (3.3 ft) above the level of the road, and 0.9 m (3.0 ft) west of a witness post. The bench mark is a survey disk. The GPS coordinates at the mark are 27 deg 38’01.6” N, 097 deg 14’ 12.4” W.