They are the results of tidal action on two passing suns.
Certainly whatever effect it had on the planet's ocean wasn't sufficient to cause this sort of tidal action.
Its formation can be influenced by tidal action, or subsurface conditions, such as current and ocean floor.
Sensors show nothing in position indicated for moon by tidal action.
Since the sea flooded it, the valley seems to have been kept open by tidal action.
It had been buried in the beach sand, but was exposed due to tidal action.
Such estuaries tend to be shallow with minimal tidal action.
The river mouth is often open to tidal action for extended periods, especially during the winter months.
There's a lot of runoff from the surrounding community, and there isn't much tidal action to move it out.