955. Your vessel is making way through the water at a speed of 12 knots. Your vessel traveled 30 nautical miles in 2 hours 20 minutes. What current are you experiencing?

The vessel's speed over ground (12.9 knots) exceeds its speed through the water (12 knots), indicating a following current. The current's drift is the difference between these speeds, which is approximately 0.9 knots.