Station Information

Station ID: 686
Latitude: 16.833333
Longitude: -99.916667
Coastline code: 830
Station code: 81
Country: MEXICO
Time span of RLR data: 1967 – 2012
RLR completeness (%): 70
Time span of metric data: 1952 – 2012
Metric completeness (%): 77
Date of last update: 24 Jun 2015

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: ACYA
Nearby Real Time Stations from VLIZ: acya, acap2
Fast Delivery Data from UHSLC station 316: hourly and daily
Research Quality Data from UHSLC station 316: hourly and daily

Station Documentation

Link to RLR information.

Documentation added 1991-06-11

Acapulco 830/081 RLR(1964) is 9.1m below BM1

Documentation added 1992-01-16

Gauge at new site from July 1972

Documentation added 1996-10-10

Data for 1991 and 1994 received from UHSLC 1992-93 data not included because of poor quality UHSLC report a level shift of about -15cm on 11 May 1962 instrument type: standard gauge with float and stilling well

Documentation added 1997-01-30

Large earthquake offshore of Mexico about 19 degrees North on 9 October 1995 with large tsunami generated. See article by A.E.Filonov in EOS, 78(3), 1997.

Documentation added 2002-09-26

Earthquakes may have affected the Acapulco record with a sea level fall of order 300 mm in 1962. Another earthquake occurred in 1995 (source Dr. Osvaldo Sanchez, Inst. de Geofisica, 2002).

Documentation added 2015-06-24

Levelling information has now been received from UNAM Mexico. Primary benchmark is now BM 1B 2.529m above TGZ. The TGZ has not changed.

Data Authority

Servicio Mareografico Nacional
Instituto de Geofisica, Ciudad Universitaria
Delegacion de Coyoacan
04510 Mexico D.F.