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Medway 36 Westerly
Designer: Laurent Giles  ·  Builder: Westerly Marine Contruction Ltd.  ·  First built: 1976
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About the Medway 36 Westerly

Built by Westerly Yachts, the Medway 36 represents a classic example of British yacht building craftsmanship from an era when solid construction and seaworthiness were paramount considerations. This cruising sailboat embodies the traditional Westerly philosophy of creating robust, reliable vessels capable of handling challenging coastal and offshore conditions. The Medway 36's design reflects Westerly's reputation for producing boats that prioritize safety and comfort over pure performance. These yachts were engineered with generous beam and substantial build quality, making them well-suited for extended cruising and capable of handling rough weather with confidence. The accommodation typically features practical layouts designed for living aboard, with emphasis on headroom and storage. As part of Westerly's production lineup, the Medway 36 appeals to sailors seeking a dependable cruising platform rather than a racing machine. The boat's characteristics make it particularly attractive for coastal exploration and passage making, where reliability and crew comfort take precedence over speed. While detailed specifications remain limited, the Westerly name carries strong associations with solid fiberglass construction and thoughtful interior design that has earned respect among cruising sailors throughout Europe and beyond.

Core Dimensions
LOA (Length Overall) 35.75 ft / 10.90 m
LWL (Waterline Length) 30.42 ft / 9.27 m
Beam 11.16 ft / 3.40 m
Max Draft 6.00 ft / 1.83 m
Displacement 16,125.00 lb / 7,314 kg
Ballast 7,167.00 lb / 3,251 kg
Sail Area (Reported) 502.00 ft² / 46.64 m²
Design & Construction
Hull Type Fin with rudder on skeg
Rigging Type Masthead Ketch
Construction FG
Designer Laurent Giles
Builder Westerly Marine Contruction Ltd.
First Built 1976
Last Built 1982
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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
12.63
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
31.32
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
1.77
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. 7.39
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. 1.0
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