I found this map online, shortly after DJ and I completed our shallow water down winder. It is not high enough resolution to read the depth readings, so I sort of just discarded it, and left it on the back burner.....
However, in reopening it, you can see depth contours, which shows that our paddle tracked the shallow water areas !!!
So lesson learnt, you need deeper water for a great down winder !
Conditions were SE about 20 knots, gusting towards 25. Start was east side of the pointy tip of Point Henry (bottom middle of photo), and finish was Geelong Grammar School, just the east of the "Brown Blob" towards top left of picture.