On its way, the tidal rise may meet shallows and islands which will change its direction, strength and force, causing differing times of arrival, differing heights of tide and even differing number of tides per day (ricochet tides).
Endleleni yawo, ukuzala nokurhoxa okunyukileyo kungadibana novaleko okanye isiqithi esiza kutshintsha indlela, umdla amandla awenza amaxeesha awohlukileyo okufika, ukuhluka kobude bokuzala nokurhoxa kwanokuhluka kwamanani okuzala nokurhoxa ngosuku (ukuzala nokurhoxa okuqakathayo).