MYRTLE BEACH — Authorities along the coast in South Carolina are looking for at least three swimmers they think have drowned over the Memorial Day weekend.

Two of the swimmers were in Myrtle Beach. Authorities said a young adult went under and didn’t resurface while in the ocean with a friend in the ocean off Myrtle Beach.

Divers are also searching for a man who went under and disappeared in the Intracoastal Waterway in Horry County after jumping off a boat Saturday.

In Beaufort County, deputies are diving to try to find a man who jumped off a boat and disappeared near Daufuskie Island on Saturday.