Cal 3-27 vs Seaward 25
How do the Cal 3-27 and Seaward 25 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Cal 3-27 
Seaward 25 | Cal 3-27 | Seaward 25 | |
|---|---|---|
| Length overall | 26.7 ft8.13 m | 26.8 ft8.15 m |
| Waterline length | 23.3 ft7.09 m | 23.0 ft7.01 m |
| Beam | 9.0 ft2.74 m | 8.3 ft2.54 m |
| Draft | 5.0 ft1.52 m | 2.1 ft0.63 m |
| Displacement | 5,200 lb2,359 kg | 3,600 lb1,633 kg |
| Ballast | 2,000 lb907 kg | 1,200 lb544 kg |
| Sail area | 336 ft²31.2 m² | 247 ft²22.9 m² |
| SA / Displacement | 17.91 | 16.82 |
| Displacement / Length | 185 | 132 |
| Comfort ratio | 17.7 | 13.7 |
| Capsize screening | 2.08 | 2.17 |
| Hull speed (kn) | 6.5 | 6.4 |
Cal 3-27 vs Seaward 25: the short version
- The Cal 3-27 and Seaward 25 are close in length (26.7 ft8.13 m vs 26.8 ft8.15 m ).
- The Cal 3-27 is heavier, displacing about 44% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the Cal 3-27 carries the more powerful rig (17.9 vs 16.8), favouring lighter-air performance.
- The Cal 3-27 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Cal 3-27 rates better for offshore work (2.08 vs 2.17).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.