Westerly Griffon 26 Twin keel Twin keel 1979 boat specs
Westerly
Westerly Griffon 26 Twin keel Twin keel 1979
1979
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VS
Westerly Merlin 28 Fin keel Fin keel 1984 boat specs
Westerly
Westerly Merlin 28 Fin keel Fin keel 1984
1984
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Westerly Griffon 26 Twin keel Twin keel 1979 vs Westerly Merlin 28 Fin keel Fin keel 1984 — Same Brand, Different Boat

The Westerly Griffon 26 Twin keel Twin keel 1979 vs Westerly Merlin 28 Fin keel Fin keel 1984 comparison sits squarely in the category of decisions where specs alone won't tell the whole story — intended use, storage, and long-term ownership costs all factor in.

On paper these two are close siblings in the size department — Westerly Griffon 26 Twin keel Twin keel 1979 at 26,0 ft versus Westerly Merlin 28 Fin keel Fin keel 1984 at 28,8 ft. Weight tells a clearer story for trailering families: the Westerly Merlin 28 Fin keel Fin keel 1984 tips the scales at 7 694 lbs — 1 794 lbs less than the Westerly Griffon 26 Twin keel Twin keel 1979 at 5 900 lbs. That difference is meaningful if you're working within a half-ton or three-quarter-ton truck's tow rating, especially once you factor in a motor, gear, and fuel.

The Westerly Griffon 26 Twin keel Twin keel 1979 carries a rated maximum of 20 hp. Engine data for the Westerly Merlin 28 Fin keel Fin keel 1984 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.

For family outings this is probably the sharpest distinction between the two. The Westerly Merlin 28 Fin keel Fin keel 1984 is rated for 8 passengers, while the Westerly Griffon 26 Twin keel Twin keel 1979 caps at 7. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Westerly Merlin 28 Fin keel Fin keel 1984 could be the deciding factor.

Both boats sit in a similar displacement bracket — 5 900 lbs for the Westerly Griffon 26 Twin keel Twin keel 1979 and 7 694 lbs for the Westerly Merlin 28 Fin keel Fin keel 1984. Comparable displacement means broadly similar seakeeping behaviour and load capacity, though hull form and ballast ratio will still produce noticeably different sailing characteristics.

Draft is a practical consideration that many buyers underestimate until they're already at the marina. The Westerly Merlin 28 Fin keel Fin keel 1984 draws 5,0 ft, compared to 3,2 ft for the Westerly Griffon 26 Twin keel Twin keel 1979. That 1,8-foot difference affects which anchorages you can access, which haul-out facilities will take you, and how carefully you need to read the tide tables in shallower cruising grounds.

The Westerly Griffon 26 Twin keel Twin keel 1979 uses Sloop rigging. The Westerly Griffon 26 Twin keel Twin keel 1979 has a documented auxiliary engine of 20 hp.

Hull speed is rated at 6,5 knots for the Westerly Merlin 28 Fin keel Fin keel 1984 and 6,2 knots for the Westerly Griffon 26 Twin keel Twin keel 1979.

Bottom line: The Westerly Merlin 28 Fin keel Fin keel 1984 at 28,8 ft offers more living space, greater range, and a more substantial offshore capability. The Westerly Griffon 26 Twin keel Twin keel 1979 at 26,0 ft is the easier, lower-cost option — simpler to crew and a strong choice for coastal and day sailing.
Measurements / Dimensions
Length overall - Detail26.00 ft
Length overall - Detail28.80 ft
Length - Feet26
Length - Feet28.8
Length overall - Meters7.92
Length overall - Meters8.78
Length overall - Inches312
Length overall - Inches346
Beam9.40 ft
Beam9.11 ft
Beam - Meters2.87
Beam - Meters2.78
Beam - Inches113
Beam - Inches109
Draft [max] - Detail3.20 ft
Draft [max] - Detail5.00 ft
Draft [max] - Meters0.98
Draft [max] - Meters1.52
Draft [max] - Inches38
Draft [max] - Inches60
Displacement5900.00 lbs
Displacement7694.00 lbs
Body / Hull
Rudder1 transom hung rudder
Rudder1 transom hung rudder
Helm1 tiller
Helm1 tiller
Engine and Drivetrain
Horsepower20 hp
Horsepowernot available
Drive typeinboard
Drive typenot available
Fuel tank capacity - Galnot available
Fuel tank capacity - Gal21.4
Fuel tank capacity - Litersnot available
Fuel tank capacity - Liters81.01
Performance
Maximum speed6.23
Maximum speed6.51
Maximum speed measureknots
Maximum speed measureknots
Operational Info
RiggingSloop
RiggingSloop
Mast ConfigurationDeck stepped mast
Mast ConfigurationDeck stepped mast
Boat typeSail
Boat typeSail
Water capacitynot available
Water capacity20.1

Westerly Griffon 26 Twin keel Twin keel 1979 vs Westerly Merlin 28 Fin keel Fin keel 1984 — Common Questions

Which is the larger boat — the Westerly Griffon 26 Twin keel Twin keel 1979 or the Westerly Merlin 28 Fin keel Fin keel 1984?
The Westerly Merlin 28 Fin keel Fin keel 1984 is the longer of the two at 28,8 feet overall. The Westerly Griffon 26 Twin keel Twin keel 1979 comes in at 26,0 feet, making it roughly 2,8 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Westerly Griffon 26 Twin keel Twin keel 1979 or the Westerly Merlin 28 Fin keel Fin keel 1984?
For trailering, the Westerly Griffon 26 Twin keel Twin keel 1979 has the edge at 5 900 lbs dry weight versus 7 694 lbs for the Westerly Merlin 28 Fin keel Fin keel 1984. Add a motor (typically 300–500 lbs for an outboard in this class), gear, and a partial fuel load and the difference grows. Lighter is friendlier on smaller tow vehicles and on fuel economy while hauling.
What is the maximum horsepower rating for these boats?
The Westerly Griffon 26 Twin keel Twin keel 1979 has a documented max rating of 20 hp. Engine specifications for the Westerly Merlin 28 Fin keel Fin keel 1984 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.
How many people can each boat hold?
The Westerly Griffon 26 Twin keel Twin keel 1979 is Coast Guard rated for 7 passengers, while the Westerly Merlin 28 Fin keel Fin keel 1984 is certified for 8. Note that legal capacity and comfortable capacity aren't always the same thing — on a full day out, most experienced boaters aim for about 80% of the rated number to keep things comfortable.
Which boat has the deeper draft — the Westerly Griffon 26 Twin keel Twin keel 1979 or the Westerly Merlin 28 Fin keel Fin keel 1984?
The Westerly Merlin 28 Fin keel Fin keel 1984 has the deeper draft at 5,0 ft, versus 3,2 ft for the Westerly Griffon 26 Twin keel Twin keel 1979. A deeper draft generally means better upwind performance and stability, but limits access to shallow anchorages and some marina berths. Always check the controlling depth of your home port and favourite cruising grounds before committing.
Is the Westerly Griffon 26 Twin keel Twin keel 1979 or the Westerly Merlin 28 Fin keel Fin keel 1984 better suited for offshore sailing?
For offshore work, displacement and construction are the primary indicators. The Westerly Merlin 28 Fin keel Fin keel 1984 at 7 694 lbs displacement is the heavier, more load-carrying design — generally better suited to extended passages where seakeeping and provisioning capacity matter most. The Westerly Griffon 26 Twin keel Twin keel 1979 at 5 900 lbs will typically be livelier and more responsive in lighter conditions.
Which is the faster sailboat — the Westerly Griffon 26 Twin keel Twin keel 1979 or the Westerly Merlin 28 Fin keel Fin keel 1984?
Based on rated hull speed, the Westerly Merlin 28 Fin keel Fin keel 1984 has an edge at 6,5 knots versus 6,2 knots for the Westerly Griffon 26 Twin keel Twin keel 1979. Keep in mind that actual sailing speed depends heavily on wind conditions, sail trim, bottom condition, and skipper experience — hull speed is a theoretical maximum, not a guarantee.
Which boat is wider, and does it affect trailering?
The Westerly Griffon 26 Twin keel Twin keel 1979 measures 113" wide, compared to 109" for the Westerly Merlin 28 Fin keel Fin keel 1984. The US standard-width towing limit is 8’6" (102") in most states — anything over that may need a wide-load permit. Confirm your specific route requirements with each state's DOT.
Are the Westerly Griffon 26 Twin keel Twin keel 1979 and Westerly Merlin 28 Fin keel Fin keel 1984 from the same manufacturer?
Yes — both the Westerly Griffon 26 Twin keel Twin keel 1979 and the Westerly Merlin 28 Fin keel Fin keel 1984 are built by Westerly. That means shared dealer networks, common parts availability, and consistent build quality across the line. The choice between them is essentially a question of how much boat you need, not which brand you trust.