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
C&C Yachts 3410.21 mSame hull familyNear-identical lengthOffered in both deep keel and keel/centerboard configurations, this 1977 masthead sloop balances performance with versatility
Catalina Yachts 31610.06 mSame hull familyNear-identical lengthA 2024 6 Series fractional sloop featuring a deep-draft fin keel and spade rudder for precise coastal handling
Cal Boats 3410.13 mSame hull familyNear-identical lengthA masthead sloop with a fin keel and spade rudder, favored by Jensen Marine founder Jack Jensen for personal cruising
Moody 33310.06 mSame hull familyNear-identical lengthA twin-keel cruiser featuring an aft cabin with a double berth accessible directly from the saloon
Westerly 3310.14 mSame hull familyNear-identical lengthA center-cockpit masthead sloop offered with fin or bilge keels, designed for stable cruising and long-range comfort

The family

Related models

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