Westerly Tempest 31
Description
The Westerly Tempest 31 (also known as the Tempest 31) is a mid-size family cruising sailboat from Westerly Marine Construction Ltd. (Waterlooville, England), introduced in 1987 as one of the later-generation Westerly models. It was designed by Ed Dubois (British naval architect, known for modernizing Westerly's line with better performance and layout; he also designed the Griffon, Konsort, Seahawk, and others). Builder: Westerly Yachts (UK) — produced from 1987 to 1993, with around 107 hulls built (relatively limited compared to earlier Westerlys like the Centaur).
Construction Details
| Designer | Ed Dubois |
|---|---|
| Builder | Westerly Marine (UK) |
| Length | 30.580 ft |
| LOA | 30.580 ft |
| LWL | 24.500 ft |
| Beam | 10.830 ft |
| Displacement | 11000 lb |
| Ballast | 5000 lb |
| Max Draft | 3.750 ft |
| Year Built | 1987 |
The standard boat dimensions
| i | 38.35 ft |
|---|---|
| j | 12.86 ft |
| p | 32.58 ft |
| e | 11.84 ft |
| p2 | 14 ft |
| e2 | 5.25 ft |
| i2 | - |
| j2 | - |
| I | J | P | E | P2 | E2 | I2 | J2 |
|---|---|---|---|---|---|---|---|
| 38.35 ft | 12.86 ft | 32.58 ft | 11.84 ft | 14 ft | 5.25 ft | - | - |
Sails
Westerly Tempest 31 - MAINSAIL
| Luff | * 32.58 ft - (9930 mm) |
|---|---|
| Foot | * 11.84 ft - (3609 mm) |
| Leech | * 34.03 ft - (10372 mm) |
| Tack Angle | * 88 ° |
| Diagonal | * 34.27 ft - (10445 mm) |
| Head (inches) | * 5.25 in - (133 mm) |
| Area | * 199 ft² |
| Edit in Calculator |
Westerly Tempest 31 - JIBSAIL
| Luff | * 32.36 ft - (9863 mm) |
|---|---|
| Foot | * 17.17 ft - (5233 mm) |
| Leech | * 27.88 ft - (8498 mm) |
| Percentage LP | * 115.01 % |
| Length Perpendicular | * 14.79 ft - (4508 mm) |
| Deck Angle | * 12 ° |
| Area | * 239.27 ft² |
| Edit in Calculator |
Westerly Tempest 31 - GENOA
| Luff | * 38.43 ft - (11713 mm) |
|---|---|
| Foot | * 20.89 ft - (6367 mm) |
| Leech | * 36.01 ft - (10976 mm) |
| Percentage LP | * 150 % |
| Length Perpendicular | * 19.29 ft - (5880 mm) |
| Deck Angle | * 4.04 ° |
| Area | * 370.63 ft² |
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Westerly Tempest 31 - GENOA
| Luff | 37.5 ft - (11430 mm) |
|---|---|
| Foot | 18 ft - (5486 mm) |
| Leech | 35 ft - (10668 mm) |
| Percentage LP | * 129.78 % |
| Length Perpendicular | * 16.69 ft - (5087 mm) |
| Deck Angle | * 3.44 ° |
| Area | * 312.97 ft² |
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Westerly Tempest 31 - ASYMMETRICAL
| Luff | 39 ft - (11887 mm) |
|---|---|
| Foot | 22 ft - (6706 mm) |
| Leech | 36.5 ft - (11125 mm) |
| Perc LP | * 165 % |
| Area | * 644 ft² |
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Westerly Tempest 31 - STORMJIB
| Luff | * 22.25 ft - (6782 mm) |
|---|---|
| Foot | * 9.74 ft - (2969 mm) |
| Leech | * 18.05 ft - (5502 mm) |
| Perc LP | * 60.03 % |
| Length Perp | * 7.72 ft - (2353 mm) |
| Deck Angle | * 19.01 ° |
| Area | * 85.91 ft² |
| Edit in Calculator |
Disclaimer. Boats are not all the same -- even when produced in the same factory of the same model. Sailrite does its best to publish accurate dimensions, but we often find it worthwhile to have our customers measure their boats carefully before we produce kits for them. You should take the same precautions, especially when the data is not from Sailrite. The information on this site is not guaranteed to be accurate. Sailrite offers this content as a service to our community, but takes no responsibility for the reliability of the data provided.
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