In each incident, the suspect approached the victims, tried to speak to them and touched their buttocks over their clothing, cops said.
The man first came up to a 23-year-old woman about 6:40 a.m. Tuesday at Northern Boulevard and 57th Street in Woodside, according to officials.
Within about the next hour and a half, he touched three more victims, ages 25, 16 and 14 in Astoria. He came up to the 25-year-old at a Rite Aid, on Steinway Street near 34th Avenue at about 7:45 a.m., then approached the 16-year-old on 35th Avenue near 38th Street around 8 a.m, and the second teen on 31st Avenue near 38th Street about 8:30 a.m, cops said.
Police have released photos of the suspect from the Rite Aid incident, and describe him as Hispanic, 25 to 30 years old, 6 feet tall and 220 to 250 pounds.
Anyone with information is asked to call Crime Stoppers at (800) 577-TIPS (8477). The public can also submit their tips by logging onto the Crime Stoppers website or can text their tips to CRIMES (274637), then enter TIP577. All calls are strictly confidential.