When is it required to display navigation lights while boating?

Displaying navigation lights is essential for ensuring safe boating, particularly during specific conditions that limit visibility. The requirement to have navigation lights illuminated from sunset to sunrise is crucial because these are the times when darkness can make it difficult for others to see a vessel on the water. In addition, navigation lights must be used during periods of restricted visibility, such as fog, rain, or heavy weather, regardless of the time of day. This helps to alert other vessels to your presence and position, reducing the risk of collisions.

In busy harbors, visibility might be better due to surrounding lights, but it is still important to have proper navigation lighting to indicate one's location to other boaters. Additionally, operating only during daylight hours or from sunrise to sunset would leave boaters unprotected during early morning or late evening hours when low light could obscure visibility. Therefore, navigation lights represent a critical safety measure for all boaters, ensuring they can see and be seen in various conditions.