Westerly 33 Sailboat Review, Specs, and Listings

Design and Construction

The hull is round-bilged fibreglass with moderate beam and freeboard, a shape that delivers the kind of predictable, forgiving motion that Westerly buyers expected. The deck is also GRP with a balsa core for stiffness, and the overall layout is practical rather than flashy — wide side decks, high lifelines, and sturdy handrails suited to handling at sea rather than impressing at the marina. Westerly produced the 33 in multiple configurations sharing the same hull, including a center-cockpit Discus variant with an aft cabin fitted with its own head, which gave the boat unusual versatility for its size.

Rig and Sailing Performance

The masthead sloop rig was the standard configuration, though a ketch and cutter were also produced, each suiting different crew preferences and passage-making styles. The design ratios tell a frank story: a sail area to displacement ratio of 14.3 means the boat needs a genuine breeze to come alive, and motor-sailing in light conditions is often the practical choice. What the 33 lacks in light-air pace it compensates for with stability — a ballast to displacement ratio of 42.2 means it stands up well to its canvas and powers through rather than around waves. The capsize screening formula of 1.8 places it within the safer range for offshore use, below the threshold of concern at 2.0.

Offshore Capability

The Westerly 33's displacement to length ratio of 277 marks it firmly as a heavy displacement cruising boat — the kind of vessel that absorbs cruising gear without complaint and becomes more at home as conditions build. Loading her down with equipment barely affects her waterline, which is exactly the reassurance long-distance sailors need. Some owners have sailed the 33 across oceans, though the boat is fundamentally designed and sized for coastal and offshore coastal passages where its stability and sea-kindliness are the dominant virtues.

Accommodation

Below decks, the Westerly 33 punches well above its waterline. The layout accommodates up to seven people across three separate cabins: a forward V-berth or double, a saloon with a U-shaped dinette that converts to a double on the port side, and an aft cabin with either two singles or a double berth. The galley is equipped with a two-burner stove and oven, sink with hot and cold water, and refrigerator or icebox. A dedicated navigation station with chart table and instrument panel on the starboard side rounds out the working spaces. Headroom is generous throughout, reaching 6 feet 4 inches in the saloon, and the interior is well-ventilated by dorade vents and well-lit by multiple portholes and hatches.

Known Considerations

The comfort ratio of 29.9 places crew comfort in a seaway closer to a coastal cruiser with moderate stability than to a true blue-water passage-maker, which is worth understanding for anyone prone to seasickness or planning extended offshore work. The boat's moderate underpowering means performance depends heavily on wind conditions, and patience with the throttle or a readiness to motor-sail is simply part of life with the 33. The balsa deck core, common to production boats of this era, warrants inspection for moisture ingress at deck fittings — a standard concern on any GRP vessel of this age that has not already had its deck hardware resealed or rebedded.

Refit Priorities

Westerly built the 33 with the expectation of long ownership, and the GRP hull is described as strong, durable, and low-maintenance. Buyers looking at examples from the later part of the production run should focus attention on the deck core, standing rigging age, and the condition of the auxiliary engine. The cockpit on some models features either tiller or wheel steering, and switching between them — or upgrading to wheel — is a common and practical refit. The engine installation should be inspected for raw-water system condition, as diesel engines in this class are well past their original service intervals.

The Verdict

The Westerly 33 is a sensible, well-built British cruiser that rewards sailors who value seakeeping and accommodation space over outright speed. Its high ballast ratio and capsize resistance make it a reassuring boat in deteriorating conditions, and its generous three-cabin interior sets it apart from many contemporaries in the same length range. It is not a boat for those who want to race or ghost along in five knots of breeze — but for the cruising sailor who wants to arrive in comfort and sleep well at anchor, it makes a strong case.

Pros