When the length of the wave troughs and the length of the boat are nearly the same then the danger of pooping and broaching-to are greatest.
Xa ubude bamaza buhlile kwaye nobude besikhephe buphatse bufane ingazi yomgangatho ophakamileyo kwindawo engasemva yesikhephe kunye nojongiso lwenqanawa ngecala zezona zinkulu.