HELCOM provides direct access to all HELCOM geospatial datasets either by ArcGIS rest interface or INSPIRE compliant OGC WMS Standard:
ArcGIS Rest interface address: http://62.236.121.188/arcgis/rest/services/DataAndMaps
OGC WMS (1.3.0) interface addresses:
Sea Environmental monitoring: http://62.236.121.188/arcgis/services/DataAndMaps/Sea_environmental_monitoring/MapServer/WMSServer?request=GetCapabilities&service=WMS
Sea Environmental status: http://62.236.121.188/arcgis/services/DataAndMaps/Sea_environmental_status/MapServer/WMSServer?request=GetCapabilities&service=WMS
Land-based pollution: http://62.236.121.188/arcgis/services/DataAndMaps/Landbase_pollution/MapServer/WMSServer?request=GetCapabilities&service=WMS
Biodiversity: http://62.236.121.188/arcgis/services/DataAndMaps/Biodiversity/MapServer/WMSServer?request=GetCapabilities&service=WMS
Maritime & Response: http://62.236.121.188/arcgis/services/DataAndMaps/Shipping/MapServer/WMSServer?request=GetCapabilities&service=WMS
Maritime Spatial Planning: http://62.236.121.188/arcgis/services/DataAndMaps/MSP/MapServer/WMSServer?request=GetCapabilities&service=WMS
Background: http://62.236.121.188/arcgis/services/DataAndMaps/Background/MapServer/WMSServer?request=GetCapabilities&service=WMS