March 3 and MOST weekends through April, Winter Creature Cruises, on research vessel Oceanic, dates and departure times vary with the tide table, The Maritime Aquarium at Norwalk, Norwalk, Conn., (203) 852-0700 ext. 2206. Dress warmly and bring binoculars. For full season schedule go to www.MaritimeAquarium.org/cruises_winter.html.