Agree with all above.
Sometimes you have to treat sailing a windsurfer like riding a motorbike on the road.
ie. treat all other users as idiots who don't know what they are doing & are erratic.
A motorbike should not 'claim' right of way over a truck - windsurfer vs powercraft the same applies.
Be aware of craft around you & know your limitations.But also report blatant rule breakers, like that idiot I saw that got booked yesterday riding flatout & spinning within 5-10m of swimmers. Keep booking them all until they know AND apply the regs to their riding/driving on the water.
Disclosure: last year I called on a jetskier to take me out 1+km from Kyeemagh to salvage & retrieve gear with replacement value of $1600.