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Swan 46 Mkii
Designer: German Frers  ·  Builder: Nautor  ·  First built: 1989
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About the Swan 46 Mkii

Bearing the legendary Swan name, the 46 Mkii represents the kind of refined offshore sailboat that has made Nautor's Swan one of the most respected builders in the sailing world. Designed for serious bluewater passage-making and offshore sailing, Swan yachts are renowned for their exceptional build quality, elegant Scandinavian aesthetics, and a hull form that balances performance with seakeeping comfort. The 46 Mkii fits squarely within Swan's tradition of producing boats that are equally at home on an ocean crossing as they are cruising coastal waters in style. Owners can expect the hallmark Swan attention to detail in both construction and interior finishing, with a level of craftsmanship that has earned the brand a devoted following across generations of sailors. While detailed specifications for this particular model are limited, the Swan pedigree speaks volumes. These boats tend to attract experienced sailors who prioritize longevity, resale value, and on-the-water confidence in challenging conditions. For those researching a capable and prestigious bluewater cruiser with genuine offshore credentials, the Swan 46 Mkii warrants serious consideration.

Core Dimensions
LOA (Length Overall) 47.08 ft / 14.35 m
LWL (Waterline Length) 37.83 ft / 11.53 m
Beam 14.42 ft / 4.40 m
Max Draft 8.20 ft / 2.50 m
Displacement 31,300.00 lb / 14,197 kg
Ballast 11,400.00 lb / 5,171 kg
Sail Area (Reported) 978.00 ft² / 90.86 m²
Design & Construction
Hull Type Fin w/bulb & spade rudder
Rigging Type Masthead Sloop
Construction FG
Designer German Frers
Builder Nautor
First Built 1989
Last Built 1997
Related Sailboats Swan 46 · Hylas 47 · Tartan 4700 · Valiant 47 · First 477 Beneteau
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Known Issues & What to Watch For

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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
15.82
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
34.09
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
1.83
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. 8.24
S# (Speed Number) The Speed Number (S#) is a quick performance index. Higher values indicate a faster, more powerful design relative to its size.
Under 3.0 — Slow cruiser3.0–5.0 — Average cruiser5.0–7.0 — Performance cruiserOver 7.0 — Racer
1.99
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
Rig Dimensions
I (Foretriangle Height) 58.07
J (Foretriangle Base) 18.7
P (Mainsail Luff) 51.5
E (Mainsail Foot) 16.9
SA Fore 542.95
SA Main 435.18
How It Compares

vs. First 477 Beneteau, Hylas 47, Swan 46, Tartan 4700, Valiant 47

This boat Similar boats
Dimensions
LOA
Swan 46 Mkii ★
47.1 ft
First 477 Beneteau
47.0 ft
Hylas 47
46.8 ft
Swan 46
47.1 ft
Tartan 4700
46.9 ft
Valiant 47
47.0 ft
LWL
Swan 46 Mkii ★
37.8 ft
First 477 Beneteau
41.3 ft
Hylas 47
37.8 ft
Swan 46
37.8 ft
Tartan 4700
39.5 ft
Valiant 47
40.0 ft
Beam
Swan 46 Mkii ★
14.4 ft
First 477 Beneteau
14.8 ft
Hylas 47
14.3 ft
Swan 46
14.4 ft
Tartan 4700
14.1 ft
Valiant 47
13.8 ft
Displacement
Swan 46 Mkii ★
31 lbs
First 477 Beneteau
25 lbs
Hylas 47
35 lbs
Swan 46
31 lbs
Tartan 4700
28 lbs
Valiant 47
30 lbs
Ballast
Swan 46 Mkii ★
11 lbs
First 477 Beneteau
8 lbs
Hylas 47
14 lbs
Swan 46
11 lbs
Tartan 4700
9 lbs
Valiant 47
11 lbs
Sail Area
Swan 46 Mkii ★
978 sq ft
First 477 Beneteau
Hylas 47
1 sq ft
Swan 46
978 sq ft
Tartan 4700
1 sq ft
Valiant 47
Performance
PHRF Rating (lower = faster)
Swan 46 Mkii ★
First 477 Beneteau
Hylas 47
93 s/nm
Swan 46
68 s/nm
Tartan 4700
84 s/nm
Valiant 47
92 s/nm
SA / Displacement (higher = more powerful)
Swan 46 Mkii ★
15.8
First 477 Beneteau
Hylas 47
15.8
Swan 46
15.8
Tartan 4700
17.8
Valiant 47
Ballast / Disp (higher = stiffer)
Swan 46 Mkii ★
First 477 Beneteau
33.3 %
Hylas 47
Swan 46
36.4 %
Tartan 4700
34.8 %
Valiant 47
36.7 %
Comfort Ratio (higher = more comfortable offshore)
Swan 46 Mkii ★
34.1
First 477 Beneteau
Hylas 47
38.9
Swan 46
34.1
Tartan 4700
30.6
Valiant 47
Capsize Screening (lower = safer)
Swan 46 Mkii ★
1.83
First 477 Beneteau
Hylas 47
1.75
Swan 46
1.83
Tartan 4700
1.86
Valiant 47
Displacement / Length (lower = lighter)
Swan 46 Mkii ★
First 477 Beneteau
160
Hylas 47
Swan 46
258
Tartan 4700
202
Valiant 47
209
Hull Speed
Swan 46 Mkii ★
8.2 kts
First 477 Beneteau
Hylas 47
8.2 kts
Swan 46
8.2 kts
Tartan 4700
8.4 kts
Valiant 47
Speed Number (higher = faster)
Swan 46 Mkii ★
2.0
First 477 Beneteau
Hylas 47
1.7
Swan 46
2.0
Tartan 4700
2.8
Valiant 47
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