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Tempest International
Designer: Ian Procter  ·  First built: 1965
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About the Tempest International

Designed for high-performance racing, the Tempest International is a sleek two-person keelboat that earned its place in sailing history as an Olympic class from 1972 to 1976. Created by Ian Proctor, the British designer renowned for producing responsive and technically demanding hulls, the Tempest combines the athleticism of dinghy sailing with the added stability of a fixed keel, making it a unique and exciting vessel to sail. Suited primarily to competitive racing on sheltered and coastal waters, the Tempest rewards skilled crews with its lively handling and sensitivity to sail trim and weight placement. Its narrow, planing hull is built for speed, and the boat is known for being physically demanding — particularly for the trapeze crew, who plays a critical role in managing heel and drive. This is not a boat for casual daysailing; it thrives in the hands of experienced sailors looking for a technical challenge. Though no longer an Olympic class, the Tempest retains a dedicated following and continues to be raced in class associations worldwide, offering a rewarding connection to a celebrated chapter of competitive sailing history.

Core Dimensions
LOA (Length Overall) 22.00 ft / 6.71 m
LWL (Waterline Length) 20.00 ft / 6.10 m
Beam 6.50 ft / 1.98 m
Max Draft 3.58 ft / 1.09 m
Displacement 1,021.00 lb / 463 kg
Ballast 440.00 lb / 200 kg
Sail Area (Reported) 247.00 ft² / 22.95 m²
Design & Construction
Hull Type Lifting Keel
Rigging Type Fractional Sloop
Construction FG
Designer Ian Procter
First Built 1965
Related Sailboats ["Hurley 22" · "Alberg 22" · "Venture 222" · "South Coast 22" · "Columbia 22"]
Owner Reviews

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Performance Ratios
SA/Displacement Sail Area to Displacement ratio measures how much sail power a boat has relative to its weight. Higher values mean more performance and speed.
Under 14 — Heavy cruiser, slow14–18 — Cruising sailboat18–22 — Cruiser/racerOver 22 — Performance racer
 39.05
Comfort Ratio Ted Brewer's Comfort Ratio predicts how comfortable a boat will feel in offshore conditions. Higher values mean a steadier, more comfortable motion in a seaway.
Under 20 — Uncomfortably rough20–30 — Acceptable coastal30–40 — Good offshore comfortOver 40 — Very comfortable offshore
 6.33
Capsize Screening Formula The USHS Capsize Screening Formula estimates offshore capsize risk. Lower is safer — values under 2.0 are considered acceptable for offshore sailing.
Under 2.0 — Safe for offshore2.0–2.2 — Borderline offshoreOver 2.2 — Coastal use recommended
 2.58
Hull Speed Hull Speed is the theoretical maximum speed of a displacement hull, calculated from waterline length. Most cruising sailboats reach this speed in moderate conditions. 5.99
Pounds/Inch Immersion Pounds per Inch Immersion (PPI) tells you how much weight is needed to sink the boat one inch. Useful for calculating how additional gear and stores affect waterline. 464.5
How It Compares

vs. Alberg 22, South Coast 22, Venture 222

This boat Similar boats
Dimensions
LOA
Tempest International ★
22.0 ft
Alberg 22
22.0 ft
South Coast 22
22.0 ft
Venture 222
22.0 ft
LWL
Tempest International ★
20.0 ft
Alberg 22
16.0 ft
South Coast 22
17.5 ft
Venture 222
18.2 ft
Beam
Tempest International ★
6.5 ft
Alberg 22
7.0 ft
South Coast 22
7.1 ft
Venture 222
7.3 ft
Displacement
Tempest International ★
1 lbs
Alberg 22
3 lbs
South Coast 22
1 lbs
Venture 222
2 lbs
Ballast
Tempest International ★
440 lbs
Alberg 22
1 lbs
South Coast 22
505 lbs
Venture 222
500 lbs
Sail Area
Tempest International ★
247 sq ft
Alberg 22
236 sq ft
South Coast 22
228 sq ft
Venture 222
177 sq ft
Performance
PHRF Rating (lower = faster)
Tempest International ★
—
Alberg 22
285 s/nm
South Coast 22
276 s/nm
Venture 222
—
SA / Displacement (higher = more powerful)
Tempest International ★
39.1
Alberg 22
17.4
South Coast 22
24.7
Venture 222
17.9
Comfort Ratio (higher = more comfortable offshore)
Tempest International ★
6.3
Alberg 22
20.8
South Coast 22
10.9
Venture 222
11.3
Capsize Screening (lower = safer)
Tempest International ★
2.58
Alberg 22
1.90
South Coast 22
2.33
Venture 222
2.33
Hull Speed
Tempest International ★
6.0 kts
Alberg 22
5.4 kts
South Coast 22
5.6 kts
Venture 222
5.7 kts
Speed Number (higher = faster)
Tempest International ★
—
Alberg 22
1.4
South Coast 22
4.4
Venture 222
4.0
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