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At the bottom of a very low tide there is a bit of a drop off at the end of the ramp which you have to watch out for. It is not too bad as long as you are watching your trailer as it can disappear quite quickly when it goes over the edge (have done that a couple of times myself).
It is not the best of ramps as there can be quite a lot of cross wind and current. I find that the gradient nearer the top of the ramp at high tide is not as steep as it is in the middle or bottom of the tide so sometimes you have to reverse your traler in quite a way. That said with a boat of your size you will be fine, and I doubt you will have any troubles at all. There is a heap of parking available and bait shop nearby.
It would be a great ramp if Council spent some money on it but that is a whole different topic.
If you launch by yourself it can be a pain in the butt at low tide because the only spot to leave your boat is on the beach beside the ramp and it is long walk around to get your boat and then get it back to your trailer with the ramp dropping off steeply at the sides. If you have a partner it won't be a prob as they can wait at the bottom of the ramp while you back the trailer down. Combine this with the other responses and you may be able to tell why I don't like this ramp much at low tide. I normally head out alone or with my kids who sometimes aren't all that helpful. ( I have already had to swim after the boat once after asking the young bloke to hold it while I got the car)
On very low tides, the sand turns to mud. Make note of tide times and make sure you never return or leave at dead low, unless you just return straight to the ramp itself.