Marine Area Command officers will continue patrolling the area in the coming days but the full-scale search has been suspended for a missing man, after his boat capsized off the Illawarra coastline on the weekend.

About 1pm on Sunday, emergency services were called to the breakwall in Seawall Road, Port Kembla, following reports of two people in the water.

On arrival, officers attached to Wollongong Police District found a capsized vessel, about 1km south of Port Kembla Road.

An 18-year-old man – who was on the vessel before it capsized – was able to swim to shore and alerted members of the public, who contacted emergency services.

Marine Area Command launched a search operation, with assistance from Marine Rescue NSW, Surf Life Saving NSW and the Westpac Helicopter.

The second person, a 78-year-old man, was unable to be located.

The search continued on Monday during daylight hours and on Tuesday, involving NSW Marine Area Command, NSW Police Divers, Marine Rescue NSW, Surf Life Saving NSW and the Westpac Helicopter.

Despite the efforts of searchers, the man has not yet been located, and the multi-agency search concluded about 3pm on Tuesday.

It is the second incident in the region over the past few days after an 18-year-old man drowned at Bombo Beach on Monday.

Bombo Beach.

Emergency services rushed to the northern end of Bombo Beach about 12.50pm on Monday following reports of a person in trouble in the water.

Officers attached to Lake Illawarra Police District, NSW Police Rescue, Surf Life Saving and POLAir responded.

NSW Ambulance paramedics initiated CPR but they were unable to revive the teenager.

A report will be prepared for the coroner.