Originally Posted by
Machka
If you can maintain 18 km/h into a wind ... it isn't much of a wind. Keep riding, you're fine.
If you can maintain 15 km/h into a wind ... there's a bit of a breeze. Shift into an easier gear and relax. It's like a very gradual hill.
It depends on your power output. For some of us slowing down to 18 kph would be a storm and the ferries would have to stop running.