“Tide + AL,” an exhibition featuring the nautical-inspired artwork of Scott Bluedorn and Cindy Pease Roe, will open Saturday with a reception from 6 to 9:30 p.m. at the art gallery of the Greenport Harbor Brewing Company on Carpenter Street in Greenport. The Artists Alliance of East Hampton will hold its first members show of 2017 from Saturday through March 26 at Ashawagh Hall in Springs, on Saturdays and Sundays from 10 a.m. to 6 p.m. and weekdays from 11 to 5.