The correct answer is D) apparent wind. The wind speed and direction observed from a moving vessel is known as apparent wind. This is because the movement of the vessel itself creates an additional wind force that is combined with the true wind, resulting in the apparent wind that is experienced on the vessel. The other options are incorrect: A) True wind refers to the actual wind direction and speed in the environment, without the effects of the vessel's movement. B) Anemometer wind is the wind speed measured by an anemometer, which does not account for the vessel's movement. C) Coordinate wind is not a standard term used in this context.