a high wave (often dangerous) caused by tidal flow (as by colliding tidal currents or in a narrow estuary)

a high wave (often dangerous) caused by tidal flow (as by colliding tidal currents or in a narrow estuary)

a high wave (often dangerous) caused by tidal flow (as by colliding tidal currents or in a narrow estuary)

a high wave (often dangerous) caused by tidal flow (as by colliding tidal currents or in a narrow estuary)

a high wave (often dangerous) caused by tidal flow (as by colliding tidal currents or in a narrow estuary)

a high wave (often dangerous) caused by tidal flow (as by colliding tidal currents or in a narrow estuary)