High tide; the state when the sea level is at its highest during the tidal cycle (opposite: 干潮).
今日の満潮は夜の10時ごろだと予報で言っていた。
The forecast said today's high tide will be around 10 PM.
満潮で波が高くなり、海岸に近づかないように注意された。
Because of the high tide and bigger waves, we were warned not to go near the shore.
小型船は満潮の時間に港を出た。
The small boats left the harbor at high tide.