Monthly sea surface heights from satellite altimetry

Monthly anomalies, past 2 years (1999-2010 seasonal cycle removed)

Monthly anomalies, since 1993 (1999-2010 seasonal cycle removed)

Trend offsets calculated for the period 1999-2014 (1999-2010 seasonal cycle removed)

*Remember to add the station-respective trend offsets either before or after making your real-time predictions if comparing with multi-model predictions (trends are not consistent across observational products and models).

The altimeter products were produced by Ssalto/Duacs and distributed by Aviso, with support from Cnes ( Post-processing was done at the IPRC ( For questions or comments, please email Matthew Widlansky <mwidlans (at)>.