We had the same room in late 2016 and the shaking kicked in around 20 knots. Like bad vibrating with all glasses rattling, room shaking, thought prop was going to break. We had CC member do visit and thought it was crazy. Luckily only about 12 hours whole trip. Other issue ignored was very poor shower pressure until mentioned at Captain party then magically fixed.
Otherwise, other than small balcony, we liked the room. They are currently selling that room next year for $33,500 for 16 day trip if interested. No thanks.