1, 3hrs after low, but not before 2 hrs after, & if you leave it too long after the 3 hrs, you will have a strong flood tide, that makes getting over to the Tuncurry channel a bit more difficult. Try to pick as close to slack tide as you can (while it is still trickling in).
2, A few boat lengths upstream of the slipway on the Tuncurry side.
3, there are heaps of little public jetties, immediately upstream from the slipway. If you find yourself leaving & there is a strong tidal flow, it is very easy to get into trouble quickly.
4, 3 hrs after low, or 2 hrs after high.
5, come in across the bar 2 hrs after the high, (but no later than 2.5hrs after the High), by the time you get to the anchoring spot, it will be about slack tide & no danger of doing a limbo under the bridge.

If your lucky enough to get one of the Marine Rescue fellas that I spoke to, a couple of months ago, he was forthcoming & willing to provide, accurate on the spot observations of the bar (including how fast the tide was running) & other very useful general info about the bar. The most relevant & useful info I have received from any MR on the coast.
You'll lose the back lead while still a ways out (overgrown trees), but you would have noted the bearing to steer by then.
Keep concentrating on the situation until in the Tuncurry channel, so you don't accidentially end up on the large sandbank right ahead.
The bar should be flat with any (normal) southerly swell, don't know about E or NE swell, probably best to avoid then.