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J/33

Designer: Rod Johnstone  ·  First built: 1988
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Core Dimensions
LOA (Length Overall) 33.25 ft / 10.13 m
LWL (Waterline Length) 27.92 ft / 8.51 m
Beam 11.42 ft / 3.48 m
Max Draft 6.25 ft / 1.90 m
Displacement 9,000 lb / 4,082 kg
Ballast 3,700 lb / 1,678 kg
Sail Area (Reported) 530 ft² / 49.24 m²
Design & Construction
Hull Type Fin w/spade rudder
Rigging Type Fractional Sloop
Construction FG
Designer Rod Johnstone
First Built 1988
Last Built 1991
Number Built 51
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Performance Ratios
PHRF Rating PHRF (Performance Handicap Racing Fleet) is a national racing handicap measured in seconds per nautical mile. Lower values indicate faster boats. Ratings are sourced from US Sailing's national database (median across 60+ regional fleets).
Under 0 — Ultralight racer0–90 — Performance racer90–150 — Cruiser/racer150–210 — Typical cruiserOver 210 — Heavy/slow cruiser
84
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
20.69
Ballast/Displacement Ballast to Displacement ratio shows what percentage of the boat's total weight is ballast. Higher values generally mean better initial stability and stiffer sail carrying.
30–35% — Typical cruiser35–45% — Stiff performance boatOver 45% — Racing oriented
41.11
Displacement/Length Displacement to Length ratio measures how heavy a boat is relative to its waterline length. Lower values mean a lighter, faster boat.
Under 100 — Ultralight racer100–200 — Light cruiser/racer200–300 — Moderate cruiser300–400 — Heavy cruiserOver 400 — Very heavy
121.52
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
26.18
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
1.67
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. 8.10
How It Compares

vs. Bristol 333, Dehler 34, Frers 33, Sun Odyssey 33 Jeanneau, Tartan 10

This boat Similar boats
Dimensions
LOA
J/33 ★
33.3 ft
Bristol 333
33.3 ft
Dehler 34
33.1 ft
Frers 33
33.3 ft
Sun Odyssey 33 Jeanneau
33.1 ft
Tartan 10
33.1 ft
LWL
J/33 ★
27.9 ft
Bristol 333
26.7 ft
Dehler 34
27.2 ft
Frers 33
26.5 ft
Sun Odyssey 33 Jeanneau
28.9 ft
Tartan 10
27.0 ft
Beam
J/33 ★
11.4 ft
Bristol 333
11.2 ft
Dehler 34
11.2 ft
Frers 33
11.3 ft
Sun Odyssey 33 Jeanneau
11.5 ft
Tartan 10
9.3 ft
Displacement
J/33 ★
9 lbs
Bristol 333
14 lbs
Dehler 34
8 lbs
Frers 33
9 lbs
Sun Odyssey 33 Jeanneau
9 lbs
Tartan 10
6 lbs
Ballast
J/33 ★
3 lbs
Bristol 333
5 lbs
Dehler 34
3 lbs
Frers 33
4 lbs
Sun Odyssey 33 Jeanneau
3 lbs
Tartan 10
3 lbs
Sail Area
J/33 ★
530 sq ft
Bristol 333
562 sq ft
Dehler 34
492 sq ft
Frers 33
557 sq ft
Sun Odyssey 33 Jeanneau
538 sq ft
Tartan 10
486 sq ft
Performance
PHRF Rating (lower = faster)
J/33 ★
84 s/nm
Bristol 333
Dehler 34
132 s/nm
Frers 33
108 s/nm
Sun Odyssey 33 Jeanneau
Tartan 10
126 s/nm
SA / Displacement (higher = more powerful)
J/33 ★
20.7
Bristol 333
15.2
Dehler 34
18.5
Frers 33
20.7
Sun Odyssey 33 Jeanneau
19.0
Tartan 10
22.0
Ballast / Disp (higher = stiffer)
J/33 ★
41.1 %
Bristol 333
38.6 %
Dehler 34
45.0 %
Frers 33
44.4 %
Sun Odyssey 33 Jeanneau
41.4 %
Tartan 10
Comfort Ratio (higher = more comfortable offshore)
J/33 ★
26.2
Bristol 333
31.4
Dehler 34
18.9
Frers 33
19.4
Sun Odyssey 33 Jeanneau
18.9
Tartan 10
18.5
Capsize Screening (lower = safer)
J/33 ★
1.67
Bristol 333
1.84
Dehler 34
2.16
Frers 33
2.17
Sun Odyssey 33 Jeanneau
2.16
Tartan 10
1.97
Displacement / Length (lower = lighter)
J/33 ★
121
Bristol 333
341
Dehler 34
194
Frers 33
215
Sun Odyssey 33 Jeanneau
177
Tartan 10
Hull Speed
J/33 ★
8.1 kts
Bristol 333
6.9 kts
Dehler 34
7.0 kts
Frers 33
6.9 kts
Sun Odyssey 33 Jeanneau
7.2 kts
Tartan 10
7.0 kts
Speed Number (higher = faster)
J/33 ★
Bristol 333
1.3
Dehler 34
2.9
Frers 33
2.9
Sun Odyssey 33 Jeanneau
Tartan 10
4.0
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