"We put together a relatively good series, which was nice," said Powrie. "We're happy to be heading home next."
The pair made things hard on themselves in the medal race, going back and restarting after jumping the gun. But they managed to claw their way back through the fleet to finish fourth in the double points race and come away with the overall win by a comfortable eight-point margin over Great Britain's Sophie Weguelin and Eilidh McIntyre.
Dominant throughout the week, Burling and Tuke rounded out the regatta in a more emphatic fashion with three solid races on the final day, including a gun in the opener.
"I'm pretty stoked to take the win. We had a pretty big lead but it was mathematically possible to lose it so we made sure we did the job in the first race and had a bit of fun in the last two," said Burling.
The silver medal went to Ireland's Ryan Seaton and Mathew McGovern while Olympic gold medallists Nathan Outteridge and Iain Jensen of Australia came through on the final day to push Kiwis Marcus Hansen and Josh Porebski out of the medals and into fourth. The younger Kiwi pair sailed strongly all week and will be disappointed to miss out on a medal by the narrowest of margins.
Josh Junior also came up agonisingly short of the podium, finishing fourth in the Finn. But the young sailor can be satisfied with his performance over the week - a remarkable improvement from his last outing in Palma, where he placed 16th.
In all, eight Kiwi crews finished inside the top 10 in Hyeres - a promising sign as the team look ahead to the world championships in Spain in September.