Baltimore Boat Show
Jan. 23-26
Baltimore Convention Center,
Baltimore. 212-984-7000;

Atlantic City International Power Boat Show
Feb. 5-9
Atlantic City Convention Center,
Atlantic City, N.J. 215-732-8001;

Miami International Boat Show
Feb. 13-17
Miami Beach Convention Center,
Miami, Fla. 954-441-3236;

O.C. Seaside Boat Show
Feb. 14-16
Convention Center,
Ocean City, Md. 410-632-3676;

Richmond Boat Show
Feb. 14-16
Richmond Raceway Complex,
Richmond, Va. 804-425-6556;

Greater Philadelphia Boat Show
Mar. 7-9
Greater Philadelphia Expo Center,
Philadelphia. 877-748-7469;

National Capital Boat Show
Mar. 7-9
Dulles Expo and Convention Center,
Chantilly, Va. 804-425-6556;

Bay Bridge Boat Show
Apr. 11-13
Bay Bridge Marina, Kent Island,
Stevensville, Md. 410-268-8828;

Annapolis Spring Sailboat Show
and Cruisers University

Apr. 25-27
Annapolis, Md. 410-268-8828;

First Aid/CPR Course
The Chesapeake Area Professional Captains Association offers this course for members and non-members to obtain their CPR/AED certification. Annapolis Elks Lodge, Edgewater, Md. 9 a.m.-4 p.m. 410-267-7651; www.capca.net

Marine Diesel Basics
Learn the basics of diesel maintenance and troubleshooting during this hands-on, introductory course. The Level II Diesel Engine course will take place Feb. 8-9. 
Annapolis School of Seamanship, Annapolis.
9 a.m.-4 p.m. 410-263-8848; www.annapolisschoolofseamanship.com

Walking-with-Washington Tours
These free guided tours of Old town Alexandria, Va., on Sunday afternoons take you through George Washington's life in Alexandria. Reservations recommended. Ramsay House Visitor Center, Alexandria, Va. 2 p.m. 703-991-4474; www.washingtonbirthday.net

5, 12, 19
Winter Luncheon Series
Join the folks at Captain Avery House to hear distinguished guests speaking about Bay topics, including Bay tugboat captains, Maryland history and waterfowl decoys. Reservations recommended. Captain Avery House, Shady Side, Md. 
11:30 a.m. 410-266-8846; www.captainaverymuseum.org

6, 13, 20, 27
Winter Seminar Series
This year's Thursday night winter seminar series at the Annapolis Maritime Museum features topics including the impact of hurricane Sandy on the Bay, the history of boatbuilding in Annapolis and more. Annapolis Maritime Museum, Annapolis. Thursdays, 7-8:30 p.m.
410-295-0104; www.amaritime.org

Polar Plunge
Brave the beach during this annual winter plunge festival to raise money for Special Olympics Virginia. In addition to plunging, there will be entertainment, costume contests and plenty of children's activities.
Virginia Beach, Va. www.polarplunge.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. 410-867-2398; tristatemarine.com

Fishing and Boating Flea Market
The Dorchester County chapter of MSSA will host the biggest marine flea market on the Eastern Shore as vendors get together to show off new and used boating and fishing gear, homemade lures and more. American Legion Post #91 (at the foot of the Route 50 bridge) Cambridge, Md. 8 a.m. 410-228-0251; www.mssadorchester.com

Second Saturday in Cambridge
Cambridge's Main Street district will be hopping with gallery openings and receptions, live music, special sales and unique dining opportunities. Downtown Cambridge, Md. 5-9 p.m. 443-477-0843; www.cambridgemainstreet.com

Windjammer Lecture: Schooner America
Spinsheet founder Dave Gendell will discuss the historic schooner America, whose varied path from raceboat to Confederate blockade runner eventually landed her in ruins along Annapolis's Spa Creek. Severn School, Severna Park, Md. 8 p.m. www.windjammers-chesapeake.org

Fishing and Boating Flea Market
Find tons of new and used boating and fishing equipment, hard-to-find gear, and more, at the Pasadena Sportfishing Group's annual flea market, which also includes knife sharpening, door prizes and boats. Earleigh Heights Fire Station, Pasadena, Md. 8 a.m.-2 p.m. 410-439-3474; www.pasadenasportfishing.com

Basic Navigation and Piloting
Keep your navigating skills sharp during this weekend course that focuses on using charts, tide tables and the Coast Pilot, plotting courses, preparing for trips and brushing up on rules of the road. The "level II" electronic navigation course will continue Feb. 17-18 . Annapolis School of Seamanship, Annapolis. 9 a.m.-4 p.m.
410-263-8848; www.annapolisschoolofseamanship.com

Safety at Sea Seminar
Offshore sailing experts will teach sailors of all skill levels how to handle tough situations on the water. Topics will include heavy-weather sailing, boat outfitting, medical care and navigation. Mariners' Museum, Newport News, Va. 8:30 a.m.-4 p.m. 757-596-2222; www.mariner.org

Basic Electrical Systems
Students will receive hands-on and lecture instruction in basic electrical theory, troubleshooting and repair skills, and system design and maintenance. A level II class will be held Feb. 24-25. Annapolis School of Seamanship, Annapolis. 9 a.m.-4 p.m. 410-263-8848; www.annapolisschoolofseamanship.com

Through March 31
Winter Wildlife Boat Tour
Knowledgeable guides from the Virginia Aquarium and Marine Science Center accompany each tour off the Virginia Beach coast to search for migrating whales, sea birds and more. Reservations required. Virginia Beach Fishing Center, Thursdays through Sundays, varying times. 757-437-FISH; www.virginiaaquarium.com

Through March 31
Cruise the Coastline
Journey through Back Bay National Wildlife Refuge aboard the Terra Gator, an ecologically friendly beach mobile. You will travel through marshes, beaches and woodlands to see migratory birds, endangered species and other coastal wildlife. Reservations required. Little Island City Park, Virginia Beach. 9 a.m.-1 p.m.
800-933-7275; www.dcr.virginia.gov/state_parks/fctrgatr.shtml

Through June 8
Apprentice For a Day
Join Chesapeake Bay Maritime Museum boatbuilders as they construct a 17-foot lapstrake skiff. Come for a day or be part of the whole 21-week project. For the complete schedule of the build, and to register for classes, visit www.cbmm.org