Insomniac said..
Just down the road from Woodford Bay, Sydney Sailmakers at Drummoyne do them. I had one made up by Kieth Brown Sails a while back and they did a good job. Also, I'd be pretty sure David (the keeper of the bay). Given where you're moored you're sure to hear his dulcet tones echo around the bay. I can give you his no if you PM me.
Thanks Insomoniac