Surfed regularly since the 1960s, these coasts offer some decent sized swell in the winter but are often flat for the rest of the year. Facing north east they can sometimes be blessed with a rare groundswell, but in the main it is locally produced storm swell that then sometimes be cleaned up by winter offshore winds as lows move north. Water quality is not great due to the level of industrialisation. There are designated surf zones in the summer in both countries but in the winter Holland is unrestricted.
These are either live cameras and video or a daily photo taken by a surfer. The former has the advantage of being up to the minute, the later is more likely to be taken to accurately reflect the current conditions - streaming video cams give the best of both worlds. Check the update date carefully.