BoatsSoutherly 430

Southerly 430

Fractional Sloop · Swing Keel w/dual Rudders · First built 2010

A 12.86-metre evolution of the 420, pairing a deep 2.72-metre maximum draft with dual rudders for precise control

Designed by Rob Humphreys, built by Northshore Yachts Ltd.

LOA
Beam
Draft (max)
Displacement
Ballast
Hull type
Swing Keel w/dual Rudders

Is it for you?

Character

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

Shoal draftDraws 0.84 m, board up where she has one — creeks, sandbars and thin anchorages most keels have to stay out of.
LivelySea-kindly

Her moderate displacement on a moderate beam gives 33 — a sea-kindly motion in a seaway.

Comfort ratio 33
CoastalBluewater

1.81 — just under the 2.0 offshore line; her beam is modest for her weight.

Capsize screening 1.81
LightHeavy

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

Displacement / length 230
EasygoingPowered-up

14.9 — modest power for her weight; easygoing rather than lively, and happier with a breeze.

Sail area / displacement 14.9
TenderStiff

32% of her weight is ballast — on the tender side; she'll heel readily and want a reef sooner.

Ballast 32%

A capable cruiser that sits just inside the offshore line — coastal work with real passages in her.

The record

Full specifications

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

Dimensions
Weights
Ballast / displacement
32.4%
Rig & sail area
Rig
Fractional Sloop
Ratios
SA / displacement
14.9
Displacement / length
230.5
Comfort ratio
32.5
Capsize screening
1.81
Hull speed
8.1 kn
Pounds / inch immersion
1722
Hull
Hull type
Swing keel w/dual rudders
Construction
Fiberglass
Production
Years built
First built 2010
Designer
Rob Humphreys
Builder
Northshore 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.

Southerly 42012.86 mSame hull familyNear-identical lengthA Rob Humphreys-designed fractional sloop featuring a versatile swing keel that later evolved into the Southerly 430
Boreal Yachts 4714.55 mSame hull family1.7 m longerA 14.55-metre aluminum cutter with a 2.48-metre draft, optimized for high-latitude stability and blue-water performance
Ovni 4012.60 mSame hull family0.3 m shorterA 12.6-metre cutter with a high 25.21 sail-area-to-displacement ratio, built for agile performance during her 1984-1987
Ovni 45013.98 mSame hull family1.1 m longerA Marc Lombard-designed lifting keel cruiser with dual rudders, built for versatility and shoal-water exploration
Garcia Yachts Exploration 4514.88 mSame hull family2.0 m longerA rugged aluminum cutter by Berret-Racoupeau featuring a centerboard and dual rudders for high-latitude exploration
Brewer 4413.41 mSame hull family0.6 m longerA stretched evolution of the 12.8 featuring a reverse transom and a versatile keel-centerboard configuration

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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