Synonyms of estuary
• The offshore fishermen took shelter from the storm in a creek.
inletAn inlet is a narrow strip of water which goes from a sea or lake into the land.
• a sheltered inlet
baycreekcovepassageentrancefjordbightingresssea loch (Scottish)arm of the seafirth or frith (Scottish)
• the mouth of the river
Thesaurus for estuary from the Collins English Thesaurus