The Wauquiez Amphitrite 43 Sailboat: Specs, Performance Analysis & Cruising Characteristics

Key Takeaways: The Wauquiez Amphitrite 43 is a heavy-displacement, ketch-rigged bluewater cruiser built for comfort and safety at sea. Its high displacement and modest sail area mean it is not a greyhound in light winds, but its exceptional stability and massive interior volume make it a premier choice for long-term liveaboards and ocean passage-making. Expect a robust, high-quality build from the renowned Henri Wauquiez shipyard, though potential buyers should watch for age-related issues in the teak decks and original systems.

The Wauquiez Amphitrite 43

Design & Construction
Sail Areas & Rig Dimensions
Configuration, Layout & Cruising Characteristics
Published Specification: The Wauquiez Amphitrite 43 Blueprint
Performance Analysis: Understanding the Design Ratios
The Buyer’s Checklist: Common Problem Areas
Comparison: Wauquiez Amphitrite 43 vs The Competition
Summing Up
Frequently Asked Questions (FAQs)

Design & Construction

The Wauquiez Amphitrite 43 is the product of a collaboration between the legendary design duo Kim Holman & Donald Pye and the prestigious French shipyard Henri Wauquiez. Launched in 1975 and produced until 1990, this model came from an era when "robustness" was a structural requirement, not just a marketing term. The hull is constructed from solid, hand-laid GRP (glass-reinforced plastic), prioritising longevity and impact resistance over weight savings.

The defining feature of the Amphitrite 43 is its central cockpit and ketch rig, which allows for a versatile sail plan that is easily managed by a short-handed crew. By splitting the sail area between two masts, the individual sails are smaller and more manageable in heavy weather. Most units were built as ketches with a fixed long fin keel and a rudder protected by a substantial skeg, though there were rare sloop-rigged variants and occasional differences in internal joinery depending on the production year.

Regarding stability, the Amphitrite 43 was designed well before the modern STIX (Stability Index) was formalised under the Recreational Craft Directive (RCD). However, its design characteristics align with Category A (Ocean) requirements. Its high ballast-to-displacement ratio and protected cockpit make it a "go-anywhere" vessel that provides a sense of security when the horizon begins to turn grey.

Sail Areas & Rig Dimensions

Rig dimensions

The ketch rig of the Amphitrite 43 is designed for balance rather than raw speed. The ability to sail under "jib and jigger" (headsail and mizzen) is a hallmark of this design, providing a stable platform in high winds.

Total Sail Area: 775 ft² (72.0 m²)
Mainsail Area: 354 ft² (32.9 m²)
Mizzen Area: 115 ft² (10.7 m²)
Fore Triangle (Genoa): 635 ft² (59.0 m²)

Rig Dimensions:

I: 49'3" (15.01 m)
J: 17'5" (5.31 m)
P: 42'4" (12.90 m)
E: 13'1" (3.99 m)

Configuration, Layout & Cruising Characteristics

Step below deck and the Amphitrite 43 reveals why it remains a favourite for liveaboards. The "great cabin" aft is legendary in this size range, offering a full-beam master suite with an ensuite head and often a small desk or vanity area. The walkthrough from the saloon to the aft cabin is typically situated on the port side and often houses a single sea berth or extensive storage.

The galley is an L-shaped affair to starboard, designed to be used safely at sea, with deep sinks and ample bracing points. Tankage is another strong suit. With original freshwater capacities often exceeding 900 litres (198 gallons), this boat is built for self-sufficiency. The cockpit is deep and well protected by a high coaming, though some sailors find the "stern-heavy" look of the high aft coachroof a bit unconventional. The trade-off, however, is unparalleled headroom and light in the aft quarters.

Published Specification: The Wauquiez Amphitrite 43 Blueprint

Specification	Data & Measurements
Production Dates	1975 – 1990
LOA (Length Overall)	42'8" (13.00 m)
LWL (Length Waterline)	33'11" (10.35 m)
Beam	13'8" (4.17 m)
Draft	5'11" (1.80 m)
Displacement	28,660 lbs (13,000 kg)
Ballast	9,921 lbs (4,500 kg)
Rig Type	Masthead Ketch
Hull Material	GRP

Performance Analysis: Understanding the Design Ratios

The following ratios provide a mathematical glimpse into how the Amphitrite 43 behaves on the water. For broader context, you can refer to our guide on Understanding Boat Performance & Design Ratios.

Design Ratio	Value	Expert Interpretation
SA/D	13.2	Relatively underpowered; a motorsailer profile in light air.
D/L	326.7	Heavy displacement; ensures high load-carrying for long voyages.
B/D	34.6%	Solid ballast ratio providing good initial and ultimate stability.
CSF	1.79	Excellent offshore safety score; well under the 2.0 limit.
Comfort Ratio	37.2	High comfort; a "kindly" motion that reduces crew fatigue.

Structural Integrity & Stability Dynamics

The hull of the Amphitrite 43 is thick and over-engineered by modern standards. A full-skeg-protected rudder is a major safety benefit, as it shields the steering gear from debris or groundings. Unlike modern light-displacement boats that "skate" over the waves, the Amphitrite 43 "ploughs" through them. While this leads to more spray on deck, the motion is far more comfortable and less fatiguing for the crew.

The Buyer’s Checklist: Common Problem Areas

When inspecting an Amphitrite 43, focus on these high-value areas:

Teak Decks: Many were built with teak-over-GRP decks. If original, look for "weeping" screws and thinning wood. A full replacement is a significant financial undertaking.

Osmosis: While Wauquiez hulls are generally high quality, 1970s and 80s GRP can be prone to blistering. Check for evidence of previous epoxy treatments.

Original Engines: Many were fitted with Perkins or Volvo units that may now be nearing the end of their service life or showing signs of cooling-system fatigue.

Rigging Age: With two masts, the cost of replacing standing rigging is higher than on a sloop. Inspect the chainplates where they meet the deck for leaks and corrosion.

Chain Locker: Check the bulkhead in the chain locker for signs of rot or water ingress from the windlass.

Comparison: The Wauquiez Amphitrite 43 vs The Competition

Hallberg-Rassy 42E: The HR 42 often commands a higher price tag and offers a slightly more refined interior finish, but the Amphitrite 43 matches it for sheer "chunkiness" and ocean-going ability.

Moody 422: The Moody is generally faster and more modern in its hull shape, but it lacks the heavy-displacement, "tank-like" feel of the Wauquiez in a gale.

Westerly Oceanlord: A newer design with better light-wind performance, but arguably less "character" and a less substantial build quality than the French-built Wauquiez.

If you'd like to compare this boat with others in this size range, take a look at Cruising Boats from 40' to 45' overall....

Could this be your ideal cruising boat?

It may well be, but before going any further, it might be worth taking a look at my eBook 'How to Avoid Buying the Wrong Sailboat'...

Summing Up

The Wauquiez Amphitrite 43 is a purpose-built cruiser for the sailor who values safety and living space over regatta trophies. Its design ratios confirm that it is a heavy, stable, and comfortable boat best suited to crossing oceans rather than dodging buoys in a local harbour. While it may require more engine hours in light air and a watchful eye on its ageing teak and rigging, it remains one of the most respected bluewater cruisers of its era. If you seek a vessel that will look after you when the weather turns foul, this Holman & Pye classic is a formidable candidate.

This article was written by Dick McClary, RYA Yachtmaster and author of the RYA publications 'Offshore Sailing' and 'Fishing Afloat', member of The Yachting Journalists Association (YJA), and erstwhile member of the Ocean Cruising Club (OCC).

Frequently Asked Questions (FAQs)

Is the Wauquiez Amphitrite 43 easy to sail single-handed?

While large and heavy, the ketch rig makes it manageable. Most lines can be led back to the central cockpit, and the smaller individual sails mean the physical loads are lower than on a large sloop.

How does it perform under power?

With its heavy displacement, the boat requires a well-maintained engine (typically 50-75hp). It is not particularly nimble in tight marinas due to its long fin keel and displacement, so a bow thruster is a common and recommended upgrade.

What is the typical cruising speed under sail?

Expect to average 6 to 7 knots on a passage. It is not a boat that will consistently hit double digits, but it will maintain its speed steadily in most conditions.

Are there known issues with the rudder or keel?

The encapsulated ballast and skeg-hung rudder are very robust. Issues are rare, though the rudder bearings should be checked for play every few years.

Is it suitable for a family of four to live on board?

Absolutely. The three-cabin layout (in most versions) and massive storage capacity make it one of the best boats in the 43-foot range for long-term family living.

The Wauquiez Amphitrite 43 Sailboat: Specs, Performance Analysis & Cruising Characteristics

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