BoatsWesterly Marine Ltd. Storm 33

Westerly Marine Ltd. Storm 33

Masthead Sloop · Fin keel, spade rudder · 1986–1993

An Ed Dubois-designed masthead sloop offering a balanced, stable hull form available in both performance and cruiser trims

Designed by Ed Dubois.

LOA
Beam
Draft (max)
Displacement
Ballast
Hull type
Fin w/spade Rudder

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 moderate beam gives 23 — a moderate, middle-of-the-road motion.

Comfort ratio 23
CoastalBluewater

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

Capsize screening 2.05
LightHeavy

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

Displacement / length 257
EasygoingPowered-up

17.1 — moderate power for her weight; steady, all-round performance.

Sail area / displacement 17.1
TenderStiff

37% of her weight is ballast — moderately stiff, a middle-of-the-road stability.

Ballast 37%

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
37.2%
Rig & sail area
Rig
Masthead Sloop
Ratios
SA / displacement
17.1
Displacement / length
256.5
Comfort ratio
23.4
Capsize screening
2.05
Hull speed
7.0 kn
Pounds / inch immersion
1109
Hull
Hull type
Fin w/spade rudder
Construction
Fiberglass
Production
Years built
1986–1993
Units built
141
Designer
Ed Dubois
Builder
Westerly Marine 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.

Moody 3410.19 mSame hull familyNear-identical lengthA 1980s mid-sized cruiser with a 40% ballast ratio, designed for stability and predictable handling in coastal waters
Hunter Marine 339.96 mSame hull familyNear-identical lengthA 1977 masthead sloop with a 38% ballast ratio, designed for stability and coastal performance
Bavaria Yachts Cruiser 339.99 mSame hull familyNear-identical lengthOriginally introduced as the Cruiser 32, this 9.99-metre fractional sloop offers a 1.95-metre draft for coastal sailing
Cal Boats 3410.13 mSame hull familyNear-identical lengthA masthead sloop with a fin keel and spade rudder, favoured by Jensen Marine founder Jack Jensen for personal cruising
Islander 329.91 mSame hull family0.2 m shorterA J.H. McGlasson-designed masthead sloop that served as the foundational hull for the later Islander 33 and 34 models
Moody 33310.06 mSame hull familyNear-identical lengthA twin-keel cruiser featuring an aft cabin with a double berth accessible directly from the saloon

The family

Boats like this

Nearby designs by size, type, and era — worth a look alongside her.

Keep looking

Nothing filmed of this one yet

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