1. It's hard to pilot a boat in rough waters.

2. The ship capsized in rough waters with the loss of 208 lives.

3. When fishing ships are mooring in rough water, the dynamic loads on the cables will be affected by the wind, wave and current.

4. KINSHASA (Reuters) - As many as 138 people died when an overloaded boat carrying passengers and goods capsized in rough water in Democratic Republic of Congo, police said on Thursday.

5. In this paper, author points out that it is difficulty to have enough stability in rough water for small fishing vessel, the measure can be taken with small fishing catamarans.