Dec. 30, 2018

Place: Kaichu Doro (Mid-Sea Road) in Okinawa, Japan

Time: 12:40 to 14:30

Sail size: 5.8 m2

Board volume: 94 L

Wind: North, Onshore

Sea conditions: Slightly choppy

The wind was very unstable. Some windsurfers used a 5.3-m2 sail, while some others used a 7.5-m2 sail. When the wind was strong, the sea bustled with windsurfers.