Eventually the mud banks grew above the high tide level and other vegetation was able to develop.

The western entrance is a short, high passage through which the ocean washes at all tide levels.

The rock stood close to the southern shore just above the low tide level.

It lives at and above the high tide level, in and under debris.

You will find what the Captain wishes in a rock crevice just above tide level out on the point.

At night they emerge and move to the high tide level to find prey.

Please let's not have this one be our tide level from here on in, eh?

The Elevation of the land is one metre below the high tide level.

The intertidal zone is located within the mean high and low tide levels.

Daily high tides will be more than seven feet above the average low tide level.