@shamkylan28 3 February 2021 more from that month

The two tidal bulges caused by inertia and gravity will rotate around the Earth as the moons position changes. These bulges represent high tides while the flat sides indicate low tides. source :https://oceanservice.noaa.gov/facts/tidefrequency.html#:~:text=Tides%20are%20very%20long%20waves,a%20lesser%20extent%2C%20the%20sun.&text=Because%20the%20gravitational%20pull%20of%20the%20moon%20is%20weaker%20on,out%20and%20high%20tide%20occurs.