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Regatta 330 Westerly
Designer: Ed Dubois  ·  Builder: Westerly Yachts Ltd. (Uk)  ·  First built: 1993
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About the Regatta 330 Westerly

Designed by renowned naval architect Ed Dubois, this 33-foot sailboat represents a focused approach to performance cruising from the mid-1990s. Built by Westerly Yachts in the UK between 1993 and 1998, only 15 examples of the Regatta 330 were produced, making it a relatively rare find in today's market. The yacht's fin keel and spade rudder configuration, combined with its masthead sloop rig, delivers responsive handling and solid upwind performance. With a displacement of 11,310 pounds and 4,210 pounds of ballast, the boat strikes a balance between stability and spirited sailing characteristics. The generous sail area of 520 square feet provides ample power for both coastal cruising and club racing scenarios. Ed Dubois's design philosophy shines through in the boat's proportions, featuring a waterline length that maximizes sailing length while maintaining manageable overall dimensions. The moderate beam and draft make it suitable for a variety of harbors while still providing adequate interior volume. With a comfort ratio indicating good motion characteristics and a capsize screening value of 2, the Regatta 330 demonstrates its suitability for serious coastal cruising and protected offshore passages, appealing to sailors seeking performance without compromising seaworthiness.

Core Dimensions
LOA (Length Overall) 33.17 ft / 10.11 m
LWL (Waterline Length) 30.02 ft / 9.15 m
Beam 11.19 ft / 3.41 m
Max Draft 5.50 ft / 1.68 m
Displacement 11,310.00 lb / 5,130 kg
Ballast 4,210.00 lb / 1,910 kg
Sail Area (Reported) 520.00 ft² / 48.31 m²
Design & Construction
Hull Type Fin w/spade rudder
Rigging Type Masthead Sloop
Construction FG
Designer Ed Dubois
Builder Westerly Yachts Ltd. (UK)
First Built 1993
Last Built 1998
Number Built 15
Associations Westerly Owners Association
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
16.57
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
37.22
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
186.63
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
22.63
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
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. 7.34 kn
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. 1,200.29 pounds/inch
Engine & Accommodations
Engine Make Volvo Penta
Engine Model 2020
Engine Type Diesel
Fuel Capacity 21 gals / 79 L
Water Capacity 40 gals / 151 L
How It Compares

vs. Bavaria 350, Chaser 33, Pandora 34, Sun Odyssey 34 Jeanneau, Tartan 33 R

This boat Similar boats
Dimensions
LOA
Regatta 330 Westerly ★
33.2 ft
Bavaria 350
35.3 ft
Chaser 33
33.0 ft
Pandora 34
34.0 ft
Sun Odyssey 34 Jeanneau
34.1 ft
Tartan 33 R
33.7 ft
LWL
Regatta 330 Westerly ★
30.0 ft
Bavaria 350
29.9 ft
Chaser 33
28.3 ft
Pandora 34
31.2 ft
Sun Odyssey 34 Jeanneau
29.9 ft
Tartan 33 R
28.8 ft
Beam
Regatta 330 Westerly ★
11.2 ft
Bavaria 350
11.8 ft
Chaser 33
10.5 ft
Pandora 34
11.6 ft
Sun Odyssey 34 Jeanneau
11.8 ft
Tartan 33 R
11.0 ft
Displacement
Regatta 330 Westerly ★
11 lbs
Bavaria 350
11 lbs
Chaser 33
9 lbs
Pandora 34
13 lbs
Sun Odyssey 34 Jeanneau
11 lbs
Tartan 33 R
10 lbs
Ballast
Regatta 330 Westerly ★
4 lbs
Bavaria 350
3 lbs
Chaser 33
4 lbs
Pandora 34
4 lbs
Sun Odyssey 34 Jeanneau
3 lbs
Tartan 33 R
4 lbs
Sail Area
Regatta 330 Westerly ★
520 sq ft
Bavaria 350
510 sq ft
Chaser 33
Pandora 34
Sun Odyssey 34 Jeanneau
570 sq ft
Tartan 33 R
Performance
PHRF Rating (lower = faster)
Regatta 330 Westerly ★
Bavaria 350
Chaser 33
138 s/nm
Pandora 34
Sun Odyssey 34 Jeanneau
Tartan 33 R
132 s/nm
SA / Displacement (higher = more powerful)
Regatta 330 Westerly ★
16.6
Bavaria 350
16.5
Chaser 33
Pandora 34
Sun Odyssey 34 Jeanneau
18.4
Tartan 33 R
Ballast / Disp (higher = stiffer)
Regatta 330 Westerly ★
37.2 %
Bavaria 350
36.0 %
Chaser 33
52.7 %
Pandora 34
36.6 %
Sun Odyssey 34 Jeanneau
34.0 %
Tartan 33 R
44.0 %
Comfort Ratio (higher = more comfortable offshore)
Regatta 330 Westerly ★
22.6
Bavaria 350
20.1
Chaser 33
Pandora 34
24.2
Sun Odyssey 34 Jeanneau
20.3
Tartan 33 R
Capsize Screening (lower = safer)
Regatta 330 Westerly ★
2.00
Bavaria 350
2.13
Chaser 33
Pandora 34
1.97
Sun Odyssey 34 Jeanneau
2.13
Tartan 33 R
Displacement / Length (lower = lighter)
Regatta 330 Westerly ★
186
Bavaria 350
183
Chaser 33
184
Pandora 34
193
Sun Odyssey 34 Jeanneau
184
Tartan 33 R
186
Hull Speed
Regatta 330 Westerly ★
7.3 kts
Bavaria 350
7.3 kts
Chaser 33
Pandora 34
7.5 kts
Sun Odyssey 34 Jeanneau
7.3 kts
Tartan 33 R
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