Online search interfaces for catalogues and inventories maintained by the IACMST’s Marine Environmental Data Network
http://www.oceannet.org

Argo project
http://www.metoffice.com/research/ocean/argo

HumberNet
http://www.northseanet.co.uk/humber/digitaldisplay.htm
and
http://www.northseanet.co.uk

Liverpool Bay Coastal Observatory
http://cobs.pol.ac.uk

Satellite missions
http://www.cls.fr./html/oceano/projets/enact/project_en.html
http://www.soc.soton.ac.uk/lso/noindex/lso_data.php

Tiree Passage time series
http://www.sams.ac.uk/dml/projects/physics