For the OP, perhaps you could explain what you visually saw as to the drone's performance at the time, the conditions of the waves, and the actual height of the drone above the water, all without looking the controller or information from the...
After going back thru your "adventures" in The Drone world thru various posts I am going to kindly suggest a competent mentor to teach you the Intricacies of being a drone pilot.
These drones are not A.I. and will not save you from getting into...
The video clearly shows you are way too low for flying above salt water.
Salt water mist into the drone. Drone dies.
Water droplets on the bottom sensor and you just may cause the Drone to auto-LAND.
TIP: DJI Drones cams have a zoom feature.
EDIT...