After the calm of the opening day where she shot 69, the wind has been the dominant factor in rounds of 76 and 75. A sepia conveyor belt of clouds constantly crossed the course towards the North Sea.
"It was definitely at its worst today," Ko said. "It was hard core. Some of the holes we were coming straight into it. Score-wise I was better than yesterday but I still made a few silly mistakes."
Ko's most impressive hole was a birdie on the par four 12th. The gallery observed her while wearing clothes which suggested they were about to embark on an expedition with Ernest Shackleton. Ko's Japanese playing partner Mika Miyazato even wore fluffy earmuffs on her way to a six-over par 78.
Ko said she knew it wasn't her tournament when her birdie putt stopped on the par four 15th.
"One-quarter of the ball was suspended over the hole. I was like, 'how does that not go in?' Still, it was a good par considering the wind.
"Then at 17 I had a 220-yard shot to the green and I had to really pump my three-wood on. At times I was just thankful the ball was actually going forwards."