Air and water searches paused overnight but the police LandSAR team had continued their search through the night, Coast Guard duty officer Nico Doodeman said.
A search from the air would be most effective in looking for the fisherman, Doodeman said. A fixed wing plane had to wait on standby but visibility was very poor.
"We're just waiting for this cloud cover to ease a bit and then we can reassess whether we can get them up."
Auckland has had rain on and off all morning and it's expected to get heavier later today.