Licensed under CC BY 4.0 by EUMETSAT
Level 3 MTG/FCI Sea Surface Temperature
Pre-operational Near real time productLevel 3, hourly, sub-skin Sea Surface Temperature derived from Meteosat at 0° longitude, covering 60S-60N and 60W-60E and re-projected on a 0.05° regular grid, in GHRSST compliant netCDF format.
Identification
Acronym : L3 FCI SST
EUMETSAT collection ref. :
EO:EUM:DAT:0694
OSI SAF producer : Météo-France
Identifier : OSI-206-b
Digital object identifier (DOI) 10.15770/EUM_SAF_OSI_NRT_2026
Id for archive (APNM) : MTIOSI3SST
Characteristics
Processing level : L3C
Satellite input : Meteosat 0°/FCI
Other input : NWP outputs (temperature and humidity profiles, aerosols optical depth), Sea Surface Temperature analysis (OSTIA), cloud mask
Temporal sampling : 24 per day
Timeliness :
?
The timeliness is the time elapsing from the sensing time of the last contributing file to the product dissemination to users. It is similar to the latency.
1h30
Usually delivered at : reference date + ~3h15
Spatial coverage : East Atlantic, West Indian: 60N-60S 60W-60E
Spatial sampling : 0.05° Lat-Lon
Projection : cylindrical equidistant
File Format(s) : NetCDF4
Characteristics & methods : Subskin temperature; multispectral algorithms + bias correction
Data Access
OSI SAF FTP (main, full archive)
Directory: ifremer/cersat/projects/osisaf/sst/l3c/east_atlantic_west_indian/
OSI SAF backup FTP (last 7 days)
Directory: ifremer/cersat/projects/osisaf/sst/l3c/east_atlantic_west_indian/
OSI SAF HTTPS
OSI SAF Thredds
EUMETSAT Multicast
Accuracy Requirements
Target accuracy : monthly absolute mean difference: 0.5 K, standard deviation: 1 K
Verification/validation method : routine comparison with drifting buoy measurements
Applications and users
Usage : - Atmosphere and ocean models
- Oceanography
- Fisheries
- Oceanography
- Fisheries
History
Authorised to be operational / released :
Declared operational / released since :
On EUMETCast since :
On EDC since :
First date :
Full series temporal coverage : From 2025
Detailed history :
The product is available in demo on Ifremer FTP server since 15/04/2025.
It is pre-operational and distributed on EUMETCast since 07/08/2025.
Licence/Attribution/Citation
Licence : CC BY 4.0
Attribution : You must include attribution to EUMETSAT OSI SAF
Recommended citation : EUMETSAT OSI SAF, Level 3 MTG/FCI Sea Surface Temperature (2025), OSI-206-b, doi:10.15770/EUM_SAF_OSI_NRT_2026
References : BibteX entry
Comments
New ticket helpdesk
This product format is compliant with the Data Specification (GDS) version 2.1 from the Group for High Resolution Sea Surface Temperature (GHRSST).
GHRSST identifier (collection id): Meteosat-12_FCI-OSISAF-L3C-v1.0