low tide
low water

In times of low water it is nearly impossible to canoe the river.

Inference - that your brother was often at low water.

"We have had really low water for over two years now."

The level of the water much lower too, because it was now just about low tide.

The low water crossing was developed from the traditional ford.

And, it being low water, he went out with the tide.

The island is very hard to access in low water because of its high rocks.

However, at low water, the river is little more than a trickle.

In a few seconds it had the appearance of a sea beach at low water.

In low water, enter center and run far left of the wrap rock.