Station Information

Station ID: 1308
Latitude: 10.766667
Longitude: 79.85
Coastline code: 500
Station code: 87
Country: INDIA
Time span of data: 1971 – 2021
Completeness (%): 42
Date of last update: 13 Mar 2023

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.

Station Documentation

Link to RLR information.

Documentation added 1991-06-11

Nagappattinam 500/087 RLR(1976) is 9.9m below BM 237

Documentation added 1994-08-04

For a discussion of interannual variability of sea level along the coasts of Pakistan and India, see Clarke and Liu, Journal of Physical Oceanography, 24, 1224, 1994.

Documentation added 2002-12-06

SMRC Newsletter Jul-Dec 2001 reports high E coast correlation with SOI and MSL. MSL is much higher during La Nina tropical cyclones than during El Nino.

Documentation added 2014-05-21

2009 data has been supplied by Survey of India. Previous data 1989. From the data sheets the data still refer to Chart Datum but benchmark has changed. RLR diagram revised with new benchmark details. 2009 data looks good.

Documentation added 2017-06-27

Name corrected to Nagapattinam to match supplier

Data Authority

Survey of India
Geodetic and Research Branch
17 E.C. Road
Dehra Dun
PIN 248 001