Find nautical charts Main Charts The Main Chart Series and the Main Chart Series for Svalbard, Jan Mayen and the Bouvet Island, comprises a total of 164 hardcopy charts, covering inner coastal waters. Harbour Charts The harbour chart series comprises a total of 45 hardcopy charts, covering harbours along the Norwegian coast. Coastal Charts The Coastal Chart Series comprises a total of 12 hardcopy charts, covering the Norwegian coast from the border with Sweden to Grense Jakobselv (the border with Russia). General Charts The General Chart Series comprises a total of 12 charts, covering the North Sea, the Norwegian Sea, Svalbard, the Barents Sea, the Greenland Sea, Iceland, Eastern Greenland, the North Atlantic and Antarctica. Electronic Chart Data for Chartplotters See list of distributors who offers electronic navigational charts for chartplotters to the leisure fleet, based on chart data from the Norwegian Mapping Authority, Hydrographic Service. Electronic Navigational Charts (ENC) Official Norwegian Electronic Navigational Charts (ENC) are issued for navigational use in an ECDIS (Electronic Chart Display and Information System). Useful information Notices to Mariners (Efs) Nautical publications Water level and tidal information (Se havnivå) Order nautical charts Projects and cooperations The Mareano programme Marine spatial management tool (only in Norwegian) Barentswatch API and data Depth data Tidal and water level data Order geospatial data