Which towing method is less likely to result in instability during heavy weather conditions?

The double-line towing method, where two lines are used to connect the towing boat to the towed vessel, offers enhanced stability in heavy weather conditions. This configuration provides more control over the towed vessel, distributing forces more evenly and reducing the likelihood of swaying or flipping, which can occur in rough seas. The two lines help maintain better positioning and alignment between the towing vessel and the tow, allowing for smoother navigation through turbulent water.

Moreover, the double-line method can help to balance the load on both boats. By anchoring the tow on two separate points, the risk of capsizing or significant yawing is diminished, which is particularly beneficial when facing strong wind or waves. This method is preferred for maintaining comfort and safety during towing operations in challenging weather.

In contrast, other methods may not offer the same level of stability and control. For instance, a single-line method may provide less feedback and balance, making it harder to manage the towed vessel in rough conditions. Similarly, side-tow and herringbone configurations can introduce instability issues, as they do not effectively leverage the towing vessel's primary direction of motion and can lead to increased lateral forces that may cause the towed boat to roll or become difficult to manage.