J 99
Boat highlights
J 99 is currently estimated in the Decent band with an SBP score of 89.
Length overall
32.6 ft
Primary sail area
570 ft²
Displacement
8,378 lbs
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Performance Analysis
Detailed performance metrics and polar diagram for J 99.
Methodology note: SBP scores, polar diagrams, hull-speed values, and derived ratios are estimates. Use them for comparison and planning support—not as a substitute for manufacturer specifications, measured sea trials, rating certificates, professional weather routing, or safety margins. Review how we rate boats.
Performance Metrics
Speed Estimates
| Wind Speed (kn) | Beat VMG (kn) | Run VMG (kn) |
|---|---|---|
| 6 | 3.2 | 3.0 |
| 8 | 3.9 | 3.9 |
| 10 | 4.4 | 4.7 |
| 12 | 4.7 | 5.4 |
| 14 | 4.9 | 6.0 |
| 16 | 5.0 | 6.5 |
| 20 | 5.0 | 7.3 |
Polar Diagram
Wind Speed (kn)
Key Specifications
Explore the hull dimensions and sail plan for J 99.
Dimensions
Sails
Construction ratios
Discussion
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