It was supposed to be a picture perfect wedding - the venue a vineyard nestled at the end of Ohui Road in Opoutere, between the iconic summer towns of Tairua and Whangamata.

Instead, they tied the knot inside the local community hall, marooned by flooded farmland.

Nathaniel Blomfield, who recently announced he's running for Labour in this year's election, was due to marry his fiance Mel Holmes on Saturday, after two years of planning.

"It was quite a big debate within our little household - which we couldn't leave for flooding - with my fiance wanting to postpone and me saying we had to forge ahead," he said. "I had to get a few of her friends to help convince her."

"At the same time we were getting pictures from my brother who was out at the venue, where the marquee was already set up."

He said he marquee had collapsed in, with massive scaffolding poles all twisted and bent. The farm had flooded out, and the roads in to Opoutere all closed due to the flooding and slips.

The owner of the Ohui Vineyard, Carolyn Fotheringham, lives in Auckland, and said she couldn't get down to the venue herself because of all the flooding and road closures.

Nathaniel and Mel Blomfield had put the wedding off once before, when they found out they were due to have a baby.

"Our baby daughter was born the day after we were supposed to be married. That was another reason I thought 'I'm not postponing this again, if I do it may never happen!'" Mr Blomfield said.

But he said it wasn't easy. Saturday started out just as bad as the Wednesday - which is when the whole Coromandel flooded in just 12 hours.

They woke up every hour in the wee hours of the morning to check if the roads would open so their guests would be able to make it to Tairua. The day before, they'd managed to wrangle the Tairua community hall through the local Information Centre.

"By that point we had my parents, their respective partners, and my brother stuck at Opoutere, my best man and groomsman were stuck out of town in Whenuakite and the celebrant was stuck in Hikuai," said Mr Blomfield.

"It wasn't until about 8:30 the morning of the wedding we heard the roads had reopened from the flooding and people would be able to drive in to Tairua. A few people did decide not to come in case they couldn't get home again, so there were a few less guests than we'd originally invited - but you can't blame them as the flooding was just so bad!" he said.

Around 20 to 30 volunteers had turned up to help them set up at the Tairua Hall the afternoon before. They only had the decorations they'd ordered for their big outdoor wedding - hay bale seating and outdoor tables.

He said after hearing of all their troubles, their photographer told them she'd do all of their photos for free.

"We've had so many people chipping in and doing whatever they can. We were struggling to pull together a wedding in three days," he said. "We were even offered houses to use in Tairua, so we could put up guests that we were going to house out at the venue.

"You know, when you've spent years planning a wedding and suddenly you have a few days... it's not an easy task. So we took all the help we could get."