(Portland, OR) -- A man is dead after apparently drowning in the Columbia River Sunday afternoon near Lemon Island. Witnesses say the man wasn't wearing a life jacket when he fell off a boat that was drifting and he didn't resurface. Crews from the Port of Portland, Portland Fire, Vancouver Fire and the Coast Guard searched for the man. The Multnomah County Sheriff's Office say the man was apparently intoxicated when the incident happened. His body has not been located.