MacGregor Windward 21 Information, Review, Specs

Sailing Performance & Handling

On the water, the Windward 21 is characterized by its responsiveness and "dinghy-like" feel, a direct result of its light displacement and significant sail area relative to its weight. The boat features a high aspect-ratio rig that performs exceptionally well in light to moderate air. Because the hull is relatively flat-bottomed to facilitate trailering and shallow-water access, it can be quite tender; sailors often find that the boat reaches its optimal heel quickly and requires active weight management or early reefing as the wind picks up.

The defining feature of its handling is the cast-iron swing keel. When fully extended, the keel provides a draft of approximately 5.5 feet, offering decent upwind tracking and stability. However, when retracted, the draft drops to less than 2 feet, allowing the boat to be beached or sailed into thin water. Owners often report that while the boat is fast on a reach, its tracking in heavy chop can be nervous due to the lack of a deep, fixed longitudinal mass. The steering is typically very light, though the transom-mounted rudder can be prone to cavitation if the boat is allowed to heel excessively.

Interior Comfort & Variations

For a 21-foot vessel, the Windward 21 offers a surprisingly functional, albeit Spartan, interior. The layout generally consists of a V-berth forward and two narrow quarter berths extending aft under the cockpit seats. Because the boat was designed with a low profile to minimize windage and facilitate trailering, headroom is restricted, requiring most adults to sit or crouch while below deck.

The interior is dominated by the fiberglass trunk for the swing keel, which acts as a central partition in the cabin. Variations of the model often focused on the galley arrangement; some hulls were equipped with a small, slide-out station for a pressurized stove and a manual water pump, while others were left "bare" to maximize sleeping space. The use of molded fiberglass liners makes the interior easy to clean, though it lacks the warmth of the teak-heavy interiors found on larger, contemporary cruisers. The Windward 21 is essentially a "hard-sided tent" on the water, perfectly suited for overnighting or weekend "gunkholing" rather than long-term habitation.

Known Issues & Buyer’s Checklist

Prospective buyers should approach the Windward 21 with a specific focus on the mechanical integrity of its underwater appendages and the structural stiffness of its hull.

1. Swing Keel Assembly: The most critical inspection point is the keel pivot bolt and the lifting cable. Over decades, the pivot hole in the cast-iron keel can become "egg-shaped" due to wear, leading to a clunking sound while underway. The cable and winch system must be inspected for fraying or corrosion, as a failure here can result in the keel dropping and potentially damaging the hull trunk.
2. Deck Compression: The area around the mast step is prone to compression if the internal support post (compression post) or the deck core has been compromised by water intrusion. Soft spots around the chainplates or the mast foot are common high-signal indicators of core rot.
3. Hull "Oil-Canning": Because the Windward 21 was built to be light for trailering, the fiberglass laminates are relatively thin. In some cases, the hull may exhibit "oil-canning" (flexing) when pounding into a head sea or when sitting on trailer rollers that are improperly adjusted.
4. Transom Stress: The outboard motor bracket often puts significant stress on the transom. Buyers should look for spider-web cracking in the gelcoat or internal structural deformation around the motor mount, which may indicate the need for a backing plate or reinforcement.

Community & Resources

Owners of the Windward 21 often find common ground with the larger MacGregor and Venture sailing communities. The most prominent technical resource is the MacGregor Sailors association, which maintains extensive archives on swing-keel maintenance and rigging specifications that are directly applicable to the Windward-built variants. Additionally, because Roger MacGregor’s designs were so prolific, parts such as replacement rudders or keel winches are often more attainable than those for other defunct brands from the same era.

The Verdict

The Windward 21 is a specialized tool designed for the sailor who values mobility and access over blue-water stoutness. It remains a popular entry-level boat for those transitioning from dinghies to cabin boats.

Pros:

• Exceptional Trailering: Light enough to be towed by a standard SUV or large sedan.
• Shallow Draft: The swing-keel design allows for "beach-up" camping and easy launching.
• Performance: Quick in light air and rewarding for sailors who enjoy active trimming.

Cons:

• Initial Stability: Quite tender; can feel "tippy" to those accustomed to heavy keelboats.
• Limited Headroom: The low cabin trunk makes moving around the interior a challenge.
• Maintenance Intensive: The swing-keel mechanism requires regular inspection to ensure safety.