Fire engulfs Boulder Bank bach

Emergency services worked together on sea and land to extinguish yesterdays bach blaze on the Boulder Bank.

Fire and Emergency NZ spokesperson Jules Higgison confirmed they alerted to the blaze around 11.30am Wednesday.  

Nelson Marlborough Fire Emergency confirmed they had received "multiple calls" about the blaze and they were in attendance with assistance from Coastguard Nelson.

"Access is difficult and crews are currently responding with coastguard support," the statement read.

Jules confirmed Thursday morning that crews were on the scene till at least 6.30pm Wednesday night.

Nelson Fire Station duty firefighter Matt Rutherford says working with Coastguard worked well.

"It worked really well yesterday, we had a good understanding with them and couldn't have gotten there without them," says Matt.

He says a portable pump was loaded on board coastguard vessels where sea water was pumped to extinguish the flames.

Coastguard Nelson spokesperson Pete Kara says they worked in conjunction with the Nelson Port harbour master to assist FENZ.

Coastguard were able to offer crew transportation and crew changes throughout the day.

Matt confirmed a fire investigator was on the scene yesterday and an investigation into the cause of the blaze is still underway.

"It's a good reminder to anyone to have an escape plan for your own place and to check that your smoke alarms are working".