Yesterday John, Liz and I took the dogs to Telowie Beach. It's very flat and shallow, not a beach for swimming. You have to fall over to get your knees wet.
We walked out to the water's edge, and when we got there realised the tide was on it's way in. Because the beach is so flat the water comes in quickly, without a sound, which is quite un-nerving. It travelled at walking pace, we had to keep moving as we took photos, or it would noiselessly overtake our feet.
That little speck in the distance is someone's 4WD. In under a minute the water came in this far; shortly after I took this photo someone came hurrying down the beach to move the truck.