“BEACHES 101” WITH SALEM SOUND COASTWATCH. Saturday, April 27, 9:30 to 11:30 a.m., Beverly Cooperative Bank Community Room, 87 Lafayette St., Salem. Workshop on beach ecology; learn about pollution sources, invasive species, identifying storm damage, beach erosion and growth. Good for anyone interested in Coastwatch’s Adopt a Beach program. Free. RSVP requested at firstname.lastname@example.org or 978-741-7900.
SALEM SOUND COASTWATCH NORTH RIVER RAINBOW SMELT COUNT AND FISH DEMONSTRATION. Saturday, April 27, 12:30 p.m., North River at Howley Street (just past the Salem/Peabody line at Harmony Grove Road), Salem. With aquatic biologists from division of marine fisheries, who will catch eggs with nets to see how rainbow smelt are recovering from pollution. Free, suitable for children. Park in the Super Stop & Shop parking lot. www.salemsound.org or 978-741-7900.
SMART SURFCASTING. Tuesday, April 30, 7 to 8:30 p.m., Hamilton-Wenham Public Library, 14 Union St., Hamilton. Julio Silva, president of the Plum Island Surfcasters, will share the secrets of catching stripers in the local waters. Program suitable for all ages. Free. www.hwlibrary.org.
LOCAL AUTHORS’ FORUM. Wednesday, May 1, 6:30 p.m., Swampscott Public Library, 61 Burrill St. Featuring Deahn Berrini, Robert Booth, Megan Kelley Hall, M.W. MacKay, Maria Mello, Elizabeth Buechner Morris, James Phoenix, Jason Stadtlander, Laurie Faria Stolarz and Donna Thorland. Authors will discuss their works, answer questions and sign books, which will be available for purchase by cash or check. 781-596-8868 or email@example.com.
SYMPHONY BY THE SEA CONCERT. Thursday, April 25, 7:30 p.m., Abbot Hall, 188 Washington St., Marblehead. Final concert of the season features a program of opera music with violinist Robyn Bollinger performing Mendelssohn’s Violin Concerto and Beethoven’s Symphony No. 7. A welcome hour with Champagne and snacks will precede the concert. Tickets $35 for adults, $5 for kids ages 5-12. www.symphonybythesea.org.
UNIVERSITY CHAMBER SINGERS, HANDBELL ENSEMBLE AND WOMEN’S CHORALE CONCERT. Thursday, April 25, 7:30 p.m., Recital Hall, Salem State University, Central Campus, 71 Loring Ave. The chamber ensembles will perform music ranging from the Renaissance to the American Songbook. Free. 978-542-7890 or www.salemstate.edu/arts.