Answer: ebbtides

AnswerCrossword Clue
EBBTIDES

Oceanic refluxes

EBBTIDES

Periods of decline

EBBTIDES

Oceanic backflows

EBBTIDES
Outgoing seas.
EBBTIDES
Low waters.
EBBTIDESSome recessions
EBBTIDESCoastal backflows
EBBTIDESLow waters
EBBTIDESRollback events