Copied and pasted from Kitesurfing rules.
Red hilighted area. To my way of thinking, that would include bars.
Just saying.
Water-craftHighest PointsMinimum Clearing DistanceOther Requirements
Surfers2.5 m7.5 mKitesurfers have to keep clear of surfers all the times
Personal Water-crafts2 - 3 m9 mPWCs have to keep clear of the kitesurfer all the times
Small to Medium Motorized Boats5 m15 mMotorized boats have to keep clear of the kitesurfer all the times
Windsurfers and Small Sailboats5 m15 mTraditional and wave sailing rules should be applied
Kitesurfers2.5 m (upwind kite is high and downwind kite is low)7.5 mTraditional and wave sailing rule should be applied. Furthermore, the upwind kitesurfer should fly the kite higher than 45 degrees vertically and the downwind kitesurfer should fly the kite lower than 45 degree vertically
Large Motorized Boats10 - 15 m30 - 45 mMotorized boats have to keep clear of the kitesurfer all the time. If the large motorized boat is in narrow, restricted water for its size, the kitesurfer has to keep clear.
Medium Sailboats10 - 15 m30 - 45 mTraditional sailing rules should be applied
Large SailboatsVery highLine lengthTraditional sailing rules should be applied. If the large sailboat is in narrow, restricted water for its size, the kitesurfer has to keep clear.
Commercial ShipsVery highLine lengthKitesurfer has to keep clear of commercial ships all the times.