COPERNICUS MARINE ENVIRONMENT MONITORING SERVICE : http://marine.copernicus.eu/
GTS system : http://www.wmo.int
Coriolis project : http://www.coriolis.eu.org/
GOSUD project : http://www.gosud.org
Voluntary Observing Ships project - VOS : http://www.vos.noaa.gov/vos_scheme.shtml
Gliders data : http://www.ego-network.org
DFO- OSD (Oceanography and Scientific Data ) : http://www.meds-sdmm.dfo-mpo.gc.ca/isdm-gdsi/index-eng.html