The water was just painfully cold. The air wasn't much better. But was still fun. Straight line sailing... was catching up on a sailboat going downwind a bit more than a mile away from the coast. Not smart I admit.

Sailing Starboard Atom IQ 124 L / Ezzy Lion 3 8.5m2
Location: Sheboygan, WI, USA
Wind: 17-18 knots
Air Temp. 10c/51f
water Temp. 7c/45f