Nothing welcomes the New Year better than braving icy waters with the North Beach Polar Bear Club members as they take their annual plunge into the frigid Bay. North Beach, Md. 1-3 p.m. 301-855-6681; www.ci.north-beach.md.us.
Chart Navigation Course
Go old school and learn how to navigate with paper charts! Chesapeake Bay Maritime Museum, St. Michaels, Md. 10 a.m.-noon. 410-745-2916; www.cbmm.org.
Apprentice for a Day Opening Weekend
Get in on building a 25-foot draketail fishing launch with museum shipwrights at the beginning of the 17- week project. Or join in later to help build pieces of interest to you. Chesapeake Bay Maritime Museum, St. Michaels, Md. 10 a.m.-4 p.m. 410-745-2916; www.cbmm.org.
Winter Luncheon Series
Series covers Bay topics, local history, and recent issues. Reservations recommended. Captain Avery House, Shady Side, Md. 11:30 a.m. 410-266-8846; www.captainaverymuseum.org.
Winter Seminar Series
Gary Jobson leads off this winter seminar series, followed by talks about the U.S.S. Monitor and the invasive blue catfish on the Bay. Annapolis Maritime Museum, Annapolis. Thursdays, 7-8:30 p.m. 410- 295-0104; www.amaritime.org.
The Waterman of the Year competition, displays of fishing gear and boats, seminars on commercial fishing and aquaculture, duck- and goose-calling competitions are just a few of the draws to this annual watermen's convention. Convention Center, Ocean City, Md. See website for event listings and details. 410-216-6610; www.marylandwatermen.com.
Fisherman's Flea Market
Gear up for the spring season at this annual flea market, with new and used gear, tackle and more. Tri- State Marine, Deale, Md. 7:30 a.m.-2 p.m. 301-261-5220; www.tristatemarine.com.
Baltimore Boat Show
The Baltimore Boat Show is winter entertainment at its best-four days of a dizzying array of boats and boat stuff, plus the Progressive Boat School and informational seminars-covering modern-day navigation tools to the best "dock and dine" spots on the Bay-by your friends at Chesapeake Bay Magazine and the Annapolis School of Seamanship. www.baltimoreboatshow.com.
Polar Bear Plunge
Brrrave the icy cold waters at Sandy Point State Park along with thousands of other fundraising fanatics to raise money for the Maryland Special Olympics. In addition to several rounds of plunging, there will be plenty of food, fun and entertainment. Sandy Point State Park, Annapolis. 8 a.m.-4 p.m. 410-789-6677; www.plungemd.com.