Vessel operator warning support system and vessel operator warning support method

A vessel operator warning support system comprising:

• a marine vessel including an engine and a communicator;
• a warning generator configured or programmed to acquire current position information on the marine vessel and to communicate with the communicator of the marine vessel;
• and
• a controller configured or programmed to perform a predetermined control based on an engine speed of the engine;
• wherein
• the warning generator is configured or programmed to acquire a navigation speed of the marine vessel based on the position information;
• the warning generator is configured or programmed to issue a predetermined warning when the navigation speed exceeds a speed limit in a location alert area including a speed restricted area in which the navigation speed is restricted;
• and
• the controller is configured or programmed to perform a control to disable the warning such that the warning is not issued when the engine speed is equal to or lower than a threshold rotation speed even when the navigation speed exceeds the speed limit.