bob, maneuver, kick, snake, dive, descend, swim, surface, flip, decompress, plunge, spit, hyperventilate, ascend, gear up, scuba dive, snorkel, spelunk, clear (face mask/snorkel), lower oneself, defog (one's mask), hold one's breath, blow out, suck (air), skin-dive, recharge, charge (an air tank)

heave, tack, rig, cast, wade, catch, bait, trap, gut, tie, untangle, reel in, troll, net, hook, fish, trawl (a net in through the water), spear, spearfish, snare (fish in a line), fly-fish, remove (a hook from a fish), gill, clean (fish), cut (the line), release (fish), throw out (one's line), throw back, pull on (the line), land (a catch)

slice, dive, swim, wash over, come about, surf, take out, sail, portage, put in, keel, cruise, canoe, kayak, paddle, jet ski, pedal boat, wind surf, skim board, skurf, dock, flip (a kayak), roll (a kayak)

stroke, sweep, catch, release, recover, catch a crab, set the boat, portage, row, skull, cox, cross (the finish line)

tow, snap, wipe out, free-fall, surf, suit up, shoot down (the face of a wave), ride (a wave), paddle (a board)