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Sailboat Specifications

Nauticat 40

Staysail Ketch · Fin With Rudder On Skeg

Designed by S&S · Built by Siltala Yachts · First built 1984

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LOA 39.37 ft  ·  Beam 13.12 ft  ·  Displacement 30,865.00 lb  ·  Sail Area 948.30 ft²  ·  Staysail Ketch  ·  Fin With Rudder On Skeg
About the Nauticat 40 Sailboat

Designed for serious blue-water cruising, the Nauticat 40 is a Finnish-built sloop from Nauticat Yachts, a builder long respected for producing sturdy, capable offshore vessels. Constructed with cold-weather sailing in mind, Nauticat boats have earned a reputation for robust build quality and practical, seamanlike design — qualities that carry through to the 40. Well-suited for extended ocean passages and long-range cruising, the Nauticat 40 appeals to sailors who prioritize reliability and comfort at sea over racing performance. The design reflects the Scandinavian tradition of building boats that can handle challenging conditions without sacrificing liveability below decks, making it an attractive choice for liveaboards and passage-makers alike. Nauticat's broader lineup has cultivated a loyal following among experienced cruisers, and the 40 shares in that heritage. Buyers researching this model will typically find it discussed in the context of North Sea and Atlantic sailing, where its seakeeping abilities and sturdy construction are particularly valued. For anyone seeking a dependable, long-range cruiser with a proven pedigree, the Nauticat 40 deserves a close look.

Dimensions & Specifications
LOA (Length Overall) 39.37 ft / 12.00 m
LWL (Waterline Length) 32.81 ft / 10.00 m
Beam 13.12 ft / 4.00 m
Max Draft 5.75 ft / 1.75 m
Displacement 30,865.00 lb / 14,000 kg
Ballast 8,819.00 lb / 4,000 kg
Sail Area (Reported) 948.30 ft² / 88.10 m²
Headroom 6.30 ft / 1.92 m
Design & Construction
Hull Type Fin with rudder on skeg
Rigging Type Staysail Ketch
Construction FG
Designer S&S
Builder Siltala Yachts
First Built 1984
Last Built 1993
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Frequently Asked Questions

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

The Nauticat 40 has a Sail Area to Displacement ratio (SA/D) of 15.48. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Nauticat 40's comfort ratio?

The Nauticat 40 has a Ted Brewer Comfort Ratio of 44.5. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Nauticat 40 safe for offshore sailing?

The Nauticat 40 has a Capsize Screening Formula value of 1.68. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Nauticat 40?

The theoretical hull speed of the Nauticat 40 is 7.68 knots, calculated from its waterline length.

How much does a Nauticat 40 weigh?

The Nauticat 40 has a displacement of 30,865.00 lb and a length overall (LOA) of 39.37 ft.

Who designed the Nauticat 40?

The Nauticat 40 was designed by S&S, first built in 1984.