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  • This service contains generalized depth curves in the Norwegian Sea, as well as detailed shadow reliefs along the coast of Northern Norway. The data is not detailed. The depth curves come from very different sources and have widely varying quality and accuracy. The overview data must only be used as background information. The detailed shadow reliefs are of good quality because they are based on modern surveys.

  • The main chart series covers the coast of Norway from the border with Sweden to Grense-Jakobselv. The scale is normally 1:50,000. This also includes port chart series, which are nautical charts at more detailed scales which show ports and seaward approaches along the coast of Norway. Planning charts at less detailed scales are also included in this service. The coastal chart series is not included in the service. Updates are imported approx. Once a fortnight as Efs publishes them. Layers can be changed or removed in the future without notification.

  • WMS service for electronic nautical charts. Includes the official electronic navigation charts (ENC). These electronic nautical charts are produced in accordance with the International Hydrographic Organization's (IHO) standard for the exchange of digital nautical chart information, S57. The WMS service is updated regularly.