• 1 / 8
  • 2 / 8
  • 3 / 8
  • 4 / 8
  • 5 / 8
  • 6 / 8
  • 7 / 8
  • 8 / 8

Seller's Description

Factory built, 1976 Westsail 28.

Full keel cruiser. Excellent shape. Very solidly built, sea-worthy classic with traditional lines. Beautiful teak exterior trim, with mahogany interior. A slightly smaller version of the well-known Westsail 32. A very capable cruising boat with tons of room (thanks to the full keel, there is standing headroom all the way forward into the v-berth).

Baja veteran. Berthed in Santa Cruz North Harbor (California). Tabernacle mast and rigging system with electric winch.


Sails: - Mainsail (tanbark) with two sets of reefing eyes. Reefing lines led aft to cockpit. Mainsheet on self-tailing winch - Working jib (tanbark) - Yankee jib (tanbark) - Self-tailing winches for jib sheets - Staysail (tanbark) on self-tacking boom - Storm trysails (tanbark) - Light air drifter (red/orange)

Running rigging: - All lines led aft to cockpit - Dedicated winches for each halyard - Self-tailing winches for sheets

Standing rigging: - 1/4 inch throughout - New lifelines/gates - Tabernacle system for lowering mast

Ground tackle: - 25lbs Bruce anchor w/ 50’ of chain on double bow roller on bowsprit - Large CQR (stored below) - Lots of nylon rode for each

Self-steering gear: -Sayes rig self-steering. I’ve never hooked it up, possibly missing the wind-vane portion

Aux. diesel: - Universal M-25, 3 cyl., 21hp, freshwater cooled - Three blade prop - Dual racor filters plumbed in parallel with a selector valve - Biodiesel compatible fuel-lines throughout

Electrical: - Dedicated house battery bank consisting of Trojan 6V utility batteries (very tough, excellent batteries) - Starting battery on isolated charging circuit with combiner

Electronics: - Raymarine C-series multi-function chartplotter w/ GPS & electronic charts for West Coast - ACR 406 MHz EPIRB - DSC VHF - Depthfinder - Autopilot (tiller pilot) interfaced w/ chartplotter - Brand new Raymarine 18” radar (NIB), available at extra cost

Accommodations: Factory built with standard layout: U-shaped dinette with drop down table easily sleeps 2 adults, v-berth sleeps another 2. Seaberth sleeps one additional person. Two burner alcohol stove on gimbal. Approximately 80 gallon freshwater tank, with electric pressure pump. Electric head with macerator pump. Diesel heater (I’ve never used it, so don’t know how well it works). New breadboard headliner.

Epoxy barrier coat applied ~2005. Excellent condition


Herb David
Westsail Corporation
Westsail Owners Association
# Built
Transom hung
FG solid hull/ply sandwich deck
Also Known As


Length Overall
35 0 / 10.7 m
Length On Deck
28 2 / 8.6 m
Waterline Length
28 2 / 8.6 m
9 6 / 2.9 m
4 3 / 1.3 m
13,500 lb / 6,123 kg
4,200 lb / 1,905 kg

Rig and Sails

Reported Sail Area
475′² / 44.1 m²
Total Sail Area
475′² / 44.2 m²
Sail Area
178′² / 16.5 m²
31 5 / 9.6 m
11 3 / 3.4 m
Air Draft
39 11 / 12.2 m
Sail Area
298′² / 27.6 m²
35 0 / 10.7 m
16 11 / 5.2 m
Forestay Length
38 10 / 11.9 m

Auxilary Power

Fuel Type
Fuel Capacity
36 gal / 136 l
Engine Hours


Water Capacity
79 gal / 299 l
Holding Tank Capacity


Hull Speed
5.9 kn
Classic: 6.49 kn

Hull Speed

The theoretical maximum speed that a displacement hull can move efficiently through the water is determined by it's waterline length and displacement. It may be unable to reach this speed if the boat is underpowered or heavily loaded, though it may exceed this speed given enough power. Read more.


Classic hull speed formula:

Hull Speed = 1.34 x √LWL

A more accurate formula devised by Dave Gerr in The Propeller Handbook replaces the Speed/Length ratio constant of 1.34 with a calculation based on the Displacement/Length ratio.

Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio.311
Hull Speed = Max Speed/Length ratio x √LWL

5.9 knots
Classic formula: 6.49 knots
Sail Area/Displacement
<16: under powered

Sail Area / Displacement Ratio

A measure of the power of the sails relative to the weight of the boat. The higher the number, the higher the performance, but the harder the boat will be to handle. This ratio is a "non-dimensional" value that facilitates comparisons between boats of different types and sizes. Read more.


SA/D = SA ÷ (D ÷ 64)2/3

  • SA: Sail area in square feet, derived by adding the mainsail area to 100% of the foretriangle area (the lateral area above the deck between the mast and the forestay).
  • D: Displacement in pounds.
<16: under powered
16-20: good performance
>20: high performance
<40: less stiff, less powerful

Ballast / Displacement Ratio

A measure of the stability of a boat's hull that suggests how well a monohull will stand up to its sails. The ballast displacement ratio indicates how much of the weight of a boat is placed for maximum stability against capsizing and is an indicator of stiffness and resistance to capsize.


Ballast / Displacement * 100

<40: less stiff, less powerful
>40: stiffer, more powerful
>350: ultraheavy

Displacement / Length Ratio

A measure of the weight of the boat relative to it's length at the waterline. The higher a boat’s D/L ratio, the more easily it will carry a load and the more comfortable its motion will be. The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Read more.


D/L = (D ÷ 2240) ÷ (0.01 x LWL)³

  • D: Displacement of the boat in pounds.
  • LWL: Waterline length in feet
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
30-40: moderate bluewater cruising boat

Comfort Ratio

This ratio assess how quickly and abruptly a boat’s hull reacts to waves in a significant seaway, these being the elements of a boat’s motion most likely to cause seasickness. Read more.


Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam1.33)

  • D: Displacement of the boat in pounds
  • LWL: Waterline length in feet
  • LOA: Length overall in feet
  • Beam: Width of boat at the widest point in feet
<20: lightweight racing boat
20-30: coastal cruiser
30-40: moderate bluewater cruising boat
40-50: heavy bluewater boat
>50: extremely heavy bluewater boat
Capsize Screening
<2.0: better suited for ocean passages

Capsize Screening Formula

This formula attempts to indicate whether a given boat might be too wide and light to readily right itself after being overturned in extreme conditions. Read more.


CSV = Beam ÷ ³√(D / 64)

  • Beam: Width of boat at the widest point in feet
  • D: Displacement of the boat in pounds
<2: better suited for ocean passages
>2: better suited for coastal cruising


From BlueWaterBoats.org:

The Westsail 28 is the smaller sibling to the incredibly successful Westsail 32, a boat that captured the imagination of the American public with the “cruising life”. By the mid in 1970s when demand for the Westsail 32 was in overdrive, the pricing had crept up enough that Westsail needed a new boat to fill the entry spot. The Westsail 28 was launched to fill this in 1975 and was described as “a hearty little offshore cruiser perfectly outfitted for 2 to 3 to cruise trouble free around the world”. The boat made a number of appearances to boat shows along the West Coast and was offered as a complete build ex-factory and later also in kit set form (look for a K in the first 4 digits of the hull number).

Though similar in looks and detailing to the Westsail 32, the smaller boat is a ground up redesign by Herb David and features a number of key improvements. The rig has a taller aspect ratio, the keel is noticeably cut away in the forward sections improving her manoeuvrability, while the garboards are less hollow which help her track closer to the wind.

The resulting boat in comparison to the Westsail 32 is more manoeuvrable with a much more responsive helm and the ride is a tad drier (something the Westsail 32 suffered from). In relation to her size she is faster – expect 110 mile days, but in the wrong seaway she is known to hobbyhorse.

Some of the early boats differ from later ones as design refinements were made while they were rolling out. After the initial six or so boats, 700 pounds was added to the ballast and the total displacement went from 9,500 pounds to 13,500 pounds. With the extra weight the boat sat 4 inches lower in the water bringing the total draft to 4 feet 4 inches. Extra canvas was added to compensate, going from the original 480 sq.ft. to 545 sq.ft. The rudder was also enlarged and around hull number 20 a boomkin was added. In total only 78 boats were produced before the molds were sold in 1979 and shipped to Mexico, a far cry from the 800+ Westsail 32s in existence.

Links, References and Further Reading

» Westsail Owners Association

This listing is presented by SailFarYachts.com. Visit their website for more information or to contact the seller.

View on SailFarYachts.com



Embed this page on your own website by copying and pasting this code.

Similar Sailboats For Sale

Great choice! Your favorites are temporarily saved for this session. Sign in to save them permanently, access them on any device, and receive relevant alerts.

We will occasionally send you relevant updates. You can opt out or contact us any time.


Get occassional updates about new features or featured sailboats.
You can opt out or contact us any time.

Made with ♥ by the founders of Refit Guide
©2022 Sea Time Tech, LLC

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.