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Sailboat Specifications

Sea Wolf 40

Masthead Ketch · Long Keel

Designed by William Garden/W.hardin · Built by Formosa/Hardin Yachts/Pacific Far East (Twn) · First built 1966

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LOA 40.90 ft  ·  Beam 12.16 ft  ·  Displacement 28,000.00 lb  ·  Sail Area 840.00 ft²  ·  Masthead Ketch  ·  Long Keel
About the Sea Wolf 40 Sailboat

Designed by the renowned William Garden and W. Hardin, this classic 40-footer represents traditional cruising yacht design from the mid-1960s era. Built primarily in Taiwan by respected yards including Formosa and Hardin Yachts, the Sea Wolf 40 combines old-world craftsmanship with practical offshore capability. The masthead ketch rig provides excellent sail handling options for shorthanded cruising, while the long keel configuration delivers predictable tracking and seakindly motion in heavy seas. With a displacement of 28,000 pounds and substantial ballast ratio, this yacht prioritizes stability and comfort over racing performance. The impressive comfort ratio of 44.81 confirms its suitability for extended offshore passages, making it an appealing choice for serious cruising sailors. Wood and fiberglass construction reflects the transitional building methods of its era, offering the aesthetic appeal of traditional materials with added durability. The generous beam provides good interior volume, while the moderate sail area keeps the boat manageable in varying conditions. With its proven seaworthiness and classic lines, the Sea Wolf 40 attracts sailors seeking a capable blue-water cruiser with timeless character and the reliability that comes from decades of proven offshore performance.

Dimensions & Specifications
LOA (Length Overall) 40.90 ft / 12.47 m
LWL (Waterline Length) 32.00 ft / 9.75 m
Beam 12.16 ft / 3.71 m
Max Draft 6.16 ft / 1.88 m
Displacement 28,000.00 lb / 12,701 kg
Ballast 9,500.00 lb / 4,309 kg
Sail Area (Reported) 840.00 ft² / 78.04 m²
Design & Construction
Hull Type Long Keel
Rigging Type Masthead Ketch
Construction Wood/FG
Designer William Garden/W.Hardin
Builder Formosa/Hardin Yachts/Pacific Far East (TWN)
First Built 1966
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Engine & Accommodations
Engine Make Perkins
Engine Type Diesel
Fuel Capacity 100 gals / 379 L
Water Capacity 140 gals / 530 L
Frequently Asked Questions

What is the Sea Wolf 40's sail area to displacement ratio?

The Sea Wolf 40 has a Sail Area to Displacement ratio (SA/D) of 14.63. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Sea Wolf 40's comfort ratio?

The Sea Wolf 40 has a Ted Brewer Comfort Ratio of 44.81. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Sea Wolf 40 safe for offshore sailing?

The Sea Wolf 40 has a Capsize Screening Formula value of 1.61. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Sea Wolf 40?

The theoretical hull speed of the Sea Wolf 40 is 7.58 kn knots, calculated from its waterline length.

How much does a Sea Wolf 40 weigh?

The Sea Wolf 40 has a displacement of 28,000.00 lb and a length overall (LOA) of 40.90 ft.

Who designed the Sea Wolf 40?

The Sea Wolf 40 was designed by William Garden/W.hardin, first built in 1966.