"It's going to create a lot deeper channel, it's going to take all the silt off the bottom and it's going to create a nice sandbank on the other side," he said. "Which is going to create a nice surf break for us as well.
"As long as you've got swell it won't even matter which way the wind is actually blowing in there because the moles protect it. And it'll be all tides I'd say, once the bank really builds up."
The Boardriders' men's open winner, Jordan Covney, grew up surfing at Morgan Street and holds the Felix Newton Memorial trophy for the winter Cold Water Classic. He has had his eyes on this prize for years.
"I've tried for four years to try and get this trophy," Covney said.
Despite surfing's increasing popularity, heavy west coast swell means Whanganui Boardriders enjoy relatively crowd-free waves. Covney reckons anywhere between 15 and 20 people in the water is a crowd in Whanganui.
Winners of the Whanganui Boardriders Annual Trophy Competition:
Juniors: Alex Palazzo.
Bodyboard: Joff Monopoli.
Masters: Steve Fulton.
Open: Jordan Covney
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