Sail size/Weight/Wind Strength Chart

For reference:

• 1mph is 0.869 knot (nautical mile per hour)
  • 15mph = 13 knots
  • 20mph = 17.4knots
  • 25mph = 21.7knots
  • 30mph = 26.1knots
• 1 knot = 0.515metres/sec
• 1 pound = 0.454kg
  • 125 pounds = 56.75kg
  • 150 pounds = 68.1kg
  • 175 pounds = 79.45kg
  • 200 pounds = 90.8kg
  • 225 pounds = 102.15kg