Articles | Volume 19, issue 7
https://doi.org/10.5194/gmd-19-2785-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-19-2785-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Model description paper
| 
13 Apr 2026
Model description paper |
| 13 Apr 2026
| 13 Apr 2026
“Norkyst” version 3: the coastal ocean forecasting system for Norway
Norwegian Meteorological Institute, Oslo, Norway
University of Oslo, Oslo, Norway
Jon Albretsen
Institute of Marine Research, Bergen, Norway
Lars Asplin
Institute of Marine Research, Bergen, Norway
Håvard Guldbrandsen Frøysa
Institute of Marine Research, Bergen, Norway
Yvonne Gusdal
Norwegian Meteorological Institute, Oslo, Norway
Silje Christine Iversen
Norwegian Meteorological Institute, Oslo, Norway
Mari Fjalstad Jensen
Institute of Marine Research, Bergen, Norway
Ingrid Askeland Johnsen
Institute of Marine Research, Bergen, Norway
Nils Melsom Kristensen
Norwegian Meteorological Institute, Oslo, Norway
Pål Næverlid Sævik
Institute of Marine Research, Bergen, Norway
Anne Dagrun Sandvik
Institute of Marine Research, Bergen, Norway
Magne Simonsen
Norwegian Meteorological Institute, Oslo, Norway
Jofrid Skarðhamar
Institute of Marine Research, Bergen, Norway
Ann Kristin Sperrevik
Norwegian Meteorological Institute, Oslo, Norway
Marta Trodahl
Norwegian Meteorological Institute, Oslo, Norway
now at: Equinor, Stavanger, Norway
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Short summary
This paper describes
Norkyst, the operational coastal ocean forecasting system for mainland Norway, which is now in version 3. The system produces five day forecasts of ocean currents, temperature, salinity, and sea surface height every day, and we also maintain an archive of historical data going back to 2012. We show that the outputs of Norkyst have sufficient quality so that it's intended use as a free public service supporting scientists, ocean managers, and industry is justified.
This paper describes
Norkyst, the operational coastal ocean forecasting system for mainland...
