=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 28-Aug-1996
For discussions of MSL changes and extreme sea levels around Namibia
and South Africa, see: G.B.Brundrit, S.Afr.J.Mar.Sci.,16,9-17,1995
and S.Searson and G.B.Brundrit, S.Afr.J.of Science, 91,579-588,1995.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 24-Jul-2006
Data for 2000 were supplied by BODC.
The values were supplied to BODC via the University of Cape Town
and so are not being classed as official.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 07-Aug-2006
Following the recent supply of data from the South African Hydrographic Office
the data values for the year 2000 have now been revised with the
official values.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 24-Sep-2009
Heights of chart datum relative to land levelling
datum in South Africa and Namibia: Richards Bay
Datum: up to 31st Dec 1978 = -0.900
Datum: 1st Jan 1979 - 31st Dec 1997 = -0.900
Datum: 1st Jan 1998 - 31st Dec 2002 = -1.205
Datum: 1st Jan 2003 onwards = -1.015
Datum is now LAT so unlikely to change.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 27-Mar-2013
Richards Bay is now a RLR station.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 07-Nov-2019
The South African Navy Hydrographic Office (SANHO) are the copyright owners of the Richards Bay sea level data and must be contacted to request permission to use the data.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 10-Feb-2021
"The South African Hydrographic Office have asked us to remove this record in line with the Hydrographic Act of 2019 (Act No. 35 of 2019) and the South African Spatial Data Infrastructure Act, 2003 (Act No. 54 of 2003). The data can be obtained directly from SANHO (email: hydrosan@iafrica.com)