“Norkyst” version 3: the coastal ocean forecasting system for Norway

Geoscientific model development 2026 Open access

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Authors: Kai H. Christensen, Jon Albretsen, Lars Asplin, Håvard Guldbrandsen Frøysa, Yvonne Gusdal, Silje Christine Iversen, Mari F. Jensen, Ingrid Askeland Johnsen, Nils Melsom Kristensen, Pål Næverlid Sævik, Anne Dagrun Sandvik, Magne Simonsen
+3 more Jofrid Skarðhamar, Ann Kristin Sperrevik, Marta Trodahl
DOI: 10.5194/gmd-19-2785-2026
Cited by: 0
References: 44

Abstract

Abstract. We describe the operational forecasting system "Norkyst", now in version 3, which is used for predicting the ocean circulation along the coast of mainland Norway and in the fjords. The forecasting system is based on the Regional Ocean Modeling System (ROMS), and has sub-kilometric horisontal resolution to resolve mesoscale features. Here we describe the basic configuration and report verification statistics of unconstrained model runs. The main features of the circulation and hydrography, including seasonal variations, are well represented in Norkyst v.3, making the forecast system suitable for its intended use as an open service for users in public or private sectors such as aquaculture, fishery, shipping, research, consulting, environmental management, and others who needs detailed predictions of the physical state of the Norwegian coastal ocean.

Fields of Study & Subjects

Oceanographic and Atmospheric Processes

Publication details

Journal / source
Geoscientific model development
Publisher
Copernicus GmbH
Volume
19
Issue
7
Pages
2785–2798
Publication date
13 April 2026
Language
EN