On a Beaufort 4 wind velocity at 12 Kn and a current of 3 Kn also in its direction blowlnq and flowing across the bows, you may be blown off course by 3 to 4 nautical miles over a 16 n.mile transit.
EBeaufort 4 moya isantya esiyi 12kn esikhoyo esiyi 3kn nayo kwesaso isalatha ndawo siqukuqela sivuthuza ukuxwesa ugobo, ngokhefuzayo oluyi 3 ukuya kwi 4 imayile esetyenziswa elwandle ngaphaya kwe l6 yemayile zothutho.