This viewer is still under construction. It is linked to the (non-operational) testversion at Deltares development system, containing RWS data though. In Menu one can choose waterlevel (Waterkwantiteit) or waves (Golven). In rol-out menu in top one can choose for (Dutch) synoptic waterlevel (Live Data, choose for coastal: ref=NAP or offshore ref=MSL). Background is the WMS service for waterlevel in the Southern North Sea model.
To open viewer in new tab, click below
https://rwsos-dataservices-prod.avi.deltares.nl/rwsos-viewer/map/noos/waterkwantiteit