After a trip back to Melbourne to deal with a client's emergency, we arrived back in Portsea to continue our holiday. Jacinta and myself booked a place with Melbourne Diving Services to travel to Portsea Hole. As the name suggests, Portsea Hole is a hole about 75m wide, with depths ranging from 14m to 27m. You would think it would be easy to find.

Unfortunately despite all our efforts, we just couldn't find the hole. The root of this problem is that we left the dive-line, and that was primarily due to poor communication. We got to see plenty of silt on the sea floor, but not much else.

I discovered that my dive computer is the type which wants to be satisfied that you've got decent buoyancy skills when making a safety stop. Once the safety-stop countdown begins, moving out of a depth of 3-6m will cause it to reset, and as we momentarily dropped below 6m on our first stop, we were required to do it all over again.

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