BoatsWesterly Yachts Ltd. Regatta 310

Westerly Yachts Ltd. Regatta 310

Masthead Sloop · Fin Keel · 1993–1997

An Ed Dubois-designed masthead sloop derived from the Tempest, offered with either a fin or twin keel configuration

Designed by Ed Dubois.

LOA
Beam
Draft (max)
Displacement
Ballast
Hull type
Fin Keel

Is it for you?

Character

Where this design lands on the numbers a shopper trusts — read straight from her own ratios.

LivelySea-kindly

Her moderate displacement on a beamy beam gives 22 — a moderate, middle-of-the-road motion.

Comfort ratio 22
CoastalBluewater

2.08 — right around the 2.0 line, the edge between coastal and offshore.

Capsize screening 2.08
LightHeavy

274 — moderately heavy for her waterline, a balanced cruising weight.

Displacement / length 274
TenderStiff

30% of her weight is ballast — on the tender side; she'll heel readily and want a reef sooner.

Ballast 30%

A balanced, easily-driven cruiser — comfortable and forgiving for coastal work.

The record

Full specifications

The complete reference set — tap any figure to switch between metric and imperial.

Dimensions
Weights
Ballast / displacement
29.8%
Rig & sail area
Rig
Masthead Sloop
Ratios
Displacement / length
273.8
Comfort ratio
22.2
Capsize screening
2.08
Hull speed
6.6 kn
Pounds / inch immersion
948
Hull
Hull type
Fin Keel
Construction
Fiberglass
Production
Years built
1993–1997
Units built
5
Designer
Ed Dubois
Builder
Westerly Yachts Ltd

Boats like this, on the water

Nobody has filmed this one — but these are close.

Comparable boats the fleet has on camera: same type, within a quarter of her length. Open the boat, or watch the video — a timestamp means she only appears in passing.

Spirit 329.48 mSame hull family0.2 m longerA Jacques De Ridder-designed IOR 23-footer built for nearly two decades as a stiff, masthead-rigged fin-keel sloop
Cal Boats 309.14 mSame hull family0.2 m shorterOffered with an optional tall rig, this masthead sloop served as the predecessor to the 2-30 series
Maxi Yachts 959.50 mSame hull family0.2 m longerA 9.5-metre masthead sloop produced for a decade, featuring a skeg-hung rudder for predictable coastal handling
Catalina Yachts 309.12 mSame hull family0.2 m shorterOne of the most successful production yachts in history, with over 6,000 hulls built during a 32-year run
Granada Yachts 319.39 mSame hull familyNear-identical lengthA masthead sloop with a spade rudder and nearly 46% ballast ratio, designed for stability in a 31-foot hull
Dufour Yachts 319.40 mSame hull familyNear-identical lengthA 1973 masthead sloop featuring a skeg-mounted rudder and a comfortable, stable design for coastal cruising

The family

Related models

The designs closest to hers — usually the rest of the builder's range, sometimes the same hull sold under another name.

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