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Cm 46
Designer: Schionning Design  ·  Builder: Current Marine (Rsa)  ·  First built: 2021
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About the Cm 46

South African builder Current Marine launched this performance catamaran in 2021, bringing Schionning Design's proven philosophy to the 46-foot segment. The Cm 46 represents a modern approach to cruising catamarans, emphasizing speed and efficiency without sacrificing livability. Built with GRP construction incorporating carbon fiber reinforcement and closed cell PVC core, this twin-daggerboard catamaran achieves an impressive strength-to-weight ratio. The relatively light displacement of 14,330 pounds combined with generous sail area delivers a competitive SA/Displacement ratio of 33.4, indicating genuine performance potential that separates it from heavier cruising cats. Schionning's signature design elements shine through in the Cm 46's proportions. The fractional sloop rig provides excellent control across varying wind conditions, while the shallow 3.94-foot draft opens up countless anchorages typically inaccessible to deeper monohulls. Twin 30-horsepower engines ensure reliable auxiliary power. This catamaran excels in coastal and offshore cruising where performance matters. The daggerboard configuration allows for impressive windward ability while maintaining the shallow draft advantage when boards are raised. For sailors seeking a balance between cruising comfort and sailing performance, particularly in warm-water destinations, the Cm 46 offers compelling modern catamaran design.

Core Dimensions
LOA (Length Overall) 46.59 ft / 14.20 m
LWL (Waterline Length) 46.59 ft / 14.20 m
Beam 24.28 ft / 7.40 m
Max Draft 3.94 ft / 1.20 m
Displacement 14,330.05 lb / 6,500 kg
Sail Area (Reported) 1,227.09 ft² / 114.00 m²
Headroom 6.07 ft / 1.85 m
Design & Construction
Hull Type Catamaran Twin Dbrd.
Rigging Type Fractional Sloop
Construction GRP w/carbon fiber and closed cell PVC core
Designer Schionning Design
Builder Current Marine (RSA)
First Built 2021
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Performance Ratios
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
6.74
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
4.01
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. 9.15 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. 24.24 pounds/inch
Engine & Accommodations
Engine Type Diesel
Horsepower 2x 30
Fuel Capacity 79 gals / 300 L
Water Capacity 106 gals / 400 L
KSP 1
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