Which term describes the direction against the wind?

The term that describes the direction against the wind is "upwind." When you are moving in the opposite direction of the wind, you are said to be traveling upwind. This concept is important in various boating situations, as understanding wind direction can significantly influence navigation, sail handling, and overall maneuverability of the vessel. When headed upwind, a boater must account for the wind's force and adjust their course accordingly to ensure effective travel and safety on the water.

The other terms pertain to different movements or directions related to water currents and wind. For instance, "downwind" refers to the direction in which the wind is blowing, which is the opposite of upwind, while "upstream" concerns the direction against a current in a river or stream. "Downstream," conversely, describes the direction with the current. Understanding these terms is crucial for safe boating practices and effective navigation.