This is the 9273rd most frequent French word.
creuses
"Hollow" or "empty."
In this sentence, 'creuses' is used to describe the tides as being shallow, indicating a lower water level.
Les plages créent des marées creuses.
The beaches create shallow tides.
Here, 'creuses' is used metaphorically to describe periods of low activity or calmness.
Elle travaille souvent pendant des périodes creuses.
She often works during quiet periods.
In this case, 'creuses' is used to indicate depth, contrasting shallowness.