Islands Recharted!

(Alakajam 10 submission.) Press H for help during gameplay! Still stuck? .0. (Or just curious if I got round to implementing those extra bits within the last 40 minutes? Yes.) Read on! -- Your mission is to get as many ships to the wooden piers in the top-right corner. As many as possible, before time runs out! Each ship scores one point. Simple, eh? Ships of course float with the currents .1., which are marked on your map as blue arrows. Of course youre not out at sea without a paddle .2., just...