ebb noun

ADJ. strong

EBB + NOUN tide They left the harbour on the ebb tide.

PREP. against an/the ~ It was difficult sailing upstream against a strong ebb. | on an/the ~ By this time, the tide was on the ebb. We floated away from the beach on the ebb. | with an/the ~ They went out to sea with the ebb.

PHRASES the ebb and flow of the tide