Greater Philadelphia Boat Show
Mar. 13-15
Greater Philadelphia Expo Center, Philadelphia, PA
804-748-7469; www.phillyboatshow.com

National Capital Boat Show
Mar. 13-15
Dulles Expo and Convention Center, Chantilly, VA
804-337-6479; www.agievents.com

Washington Capital Boating Show
Mar. 28-29
Prince William Marina, Woodbridge, VA
703-494-6611; www.pwmarina.com

Bay Bridge Boat Show
Apr. 17-19
Bay Bridge Marina, Kent Island, Stevensville, MD
410-268-8828; www.usboat.com

Annapolis Spring Sailboat Show and Cruisers University
Apr. 24-26
Annapolis, MD
410-268-8828; www.usboat.com

Winter Seminar
The last of this year's Thursday night winter seminar series features Timothy Devine speaking about the Barren Island Oyster project. Annapolis Maritime Museum, Annapolis. 7 p.m. 410-295-0104; www.amaritime.org.

Oyster Roast
Join the good folks at Smith Point Sea Rescue for the group's annual fundraising oyster roast. There will be plenty of oysters, soup, hot dogs, beer and good company to go around. Little River Seafood, Burgess, Va. 2-5 p.m. 804-453-5325; www.smithpointsearescue.com.

Songs, Music and Stories with Miss Janie
Children will love hearing Bay stories and songs about local fishermen, skipjacks and the Bay by raconteur (and CBM Editor) Janie Meneely. Chesapeake Bay Maritime Museum, St. Michaels, Md. 2-3 p.m. 410-745-2916; www.cbmm.org.

Fishing Seminar
Angling bigwigs Richie Gaines and Wayne Morgan will talk all things Bay fishing during this annual seminar, including light-tackle and fly-fishing, trolling for trophy stripers, and summer live lining. Advance registration required. Tristate Marine, Deale, Md. 9 a.m.-4 p.m. 410-867-2398; www.tristatemarine.com.

Windjammers Lecture: Roger Vaughan
Roger Vaughan, author of Ted Turner's biography, will speak about his new one-act play Fishing Gone-about the demise of the Tangier Island fishing fleet. Severn School, Severna Park, Md. 8 p.m.

Battle of Hampton Roads
Commemorate the Civil War battle between the U.S.S. Monitor and the C.S.S. Virginia with special tours, 19th-century music and games, Civil War encampments and re-enactors, presentations by local authors and more. Mariners' Museum, Newport News, Va. 10 a.m.-5 p.m. Call for specific events and times.
757-596-2222; www.battleofhamptonroads.com.

Second Saturday
Enjoy fun evening events, gallery receptions, special dinners and sales throughout downtown Cambridge, Md. Downtown Cambridge, Md. 5-9 p.m. 443-477-0843; www.cambridgemainstreet.com.

Eagle Festival
This annual festival celebrates the Bay's eagles with bird-watching walks, live eagle and falcon programs, children's activities and more. Blackwater National Wildlife Refuge, Cambridge, Md. 9 a.m.-4 p.m.
410-901-6124; www.fws.gov/blackwater.

Spring Training
Brush up on your seamanship skills with lectures and talks from area boating professionals during Singles on Sailboats' (SOS) annual seminar. Participants do not have to belong to SOS, but advance registration is required. Anne Arundel Community College, Arnold, Md. 8 a.m.-4 p.m. www.singlesonsailboats.org.

Basic Navigation & Piloting Course
This two-day basic navigation class will feature both lecture and hands-on instruction using charts, plotting tools, government publications and workbook exercises. The Level II Navigation Course in electronic navigation follows on March 16-17 and focuses on the use of GPS, radar, Racons and chartplotters. Annapolis School of Seamanship, Annapolis. 9 a.m.-4 p.m. 410-263-8848; www.annapolisschoolofseamanship.com.

Mar. 20-Apr. 12
Cherry Blossom Festival
Celebrate the gorgeous cherry trees as they blossom around Washington, D.C., with daily international cultural performances, sporting events, arts and crafts demonstrations and plenty more. Washington, D.C. 877-44BLOOM; www.nationalcherryblossomfestival.org.

Medical Emergencies at Sea: Beyond First Aid
Learn to recognize and manage medical emergencies while under way at this Chesapeake Area Professional Captains Association course. Advance registration suggested. Annapolis Elks Lodge, Edgewater, Md. 9 a.m.-3 p.m. 410-267-7651; www.capca.net.

Oyster Roast and Sock Burning Party
Spring is here! Celebrate the spring equinox with a family-friendly oyster roast and the museum's annual sock-burning party. There will be live music, oyster shucking and cooking demonstrations, family activities and plenty of great oysters to eat! Annapolis Maritime Museum, Annapolis. Noon-4 p.m. 410-295-0104; www.amaritime.org.

South River on the Half Shell Auction
Help raise funds for the South River federation at this fun-filled night of food, drinks, live music and auction items. Homestead Gardens, Davidsonville, Md. 6 p.m. 410-222-3802; www.southriverfederation.net.

Boating & Fishing Market
This nautical flea market will feature new and used boats, fishing gear, nautical artwork and more. Poquoson High School, Poquoson, Va. 8 a.m.-1 p.m. www.poquosonkiwanis.org.

Maryland Day
Celebrate Maryland Day in St. Mary's City, the state's first settlement. There will be special ceremonies, a wreath-laying and flag ceremony, plus free admission to the St. Mary's City exhibits and special programs. St. Mary's City, Md. 10 a.m.-4 p.m., ceremony at 1 p.m. 800-762-1634; www.stmaryscity.org.

Military Through the Ages
Military re-enactors will depict centuries' worth of military encounters from the Middle Ages to modern times. Learn about military tactics and weaponry, and enjoy a children's parade. Jamestown Settlement, Williamsburg, Va. 9 a.m.-5 p.m. 888-593-4682; www.historyisfun.org.

Rappahannock River Waterfowl Show
Browse through works by more than 80 artists, carvers, photographers and sculptors at this popular art show. A special preview gala will take place Friday night (ticketed event), and there will be a carving contest on Saturday, as well as children's activities. White Stone Firehouse, White Stone, Va. Sat. 10 a.m.-5 p.m.; Sun. 10 a.m.-4 p.m. 804-435-6355; www.rrws.org.

Build Your Own Annapolis Wherry
Build your own Annapolis wherry rowing skiff with the pros at Chesapeake Light Craft during this weeklong course. Chesapeake Light Craft, Annapolis. 410-267-0317; www.clcboats.com.

Maryland Day
Catch the water taxi to St. Clements Island for a ceremony marking the anniversary of the settlers' first landing in Maryland. Clements Island-Potomac River Museum, Coltons Point, Md. 11 a.m. 301-769-2222; www.co.saint-marys.md.us.

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. U.S. Naval Academy, Annapolis. 410-269-0741; www.ussailing.org.

Taste of Solomons
Sample culinary creations from the restaurants in Solomons, Md., during this annual culinary festival. Solomons, Md. 11 a.m.-4 p.m. www.solomonsmaryland.com.

Marine Communications: Regulations and Operations
This Chesapeake Area Professional Captains Association course will cover Global Maritime Distress and Safety System (GMDSS), Radio Safety Equipment (EPIRB and SART, USCG Rescue 21 System and Digital Selective Calling (DSC) System), and Radiotelephone Station & Bridge-to-Bridge Regulations and Operations. Advance registration suggested. Annapolis Elks Lodge, Edgewater, Md. 9 a.m.-3 p.m. 410-267-7651; www.capca.net.

Arrlene the Pirate Mermaid
This magical children's musical to benefit the Colonial Seaport Foundation will delight kids of a nautical nature. JCC Public Library, Norge, Va. Noon and 2:30 p.m. www.facebook.com/arrlenepiratemermaid.

Fishing Fair
This annual sale, presented by the Southern Maryland chapter of the Maryland Saltwater Sport shermen's Association, will feature indoor and outdoor displays of new and used  shing gear. There will also be food, drinks and ra e prizes. Solomons Firehouse, Solomons, Md. 8 a.m.-3 p.m. 301-373-3071; www.mssasmc.com.