The Tradewind 33 is modestly canvassed and unhurried, with a gentle bluewater motion.
Hull Speed
The theoretical displacement-mode speed limit — determined by waterline length, not engine or sail power.
A displacement hull pushes a bow wave whose speed is limited by the waterline length.
With a waterline of 25.8′, the Tradewind 33 tops out around 6.8 knots in displacement mode — after that, the bow wave outruns the hull and resistance climbs steeply.
1.34 × √25.8′ LWL = 6.8 kts
Performance Ratios
Racing handicap, sail-carrying power, stability and comfort — and what each one actually tells you about a day on the water.
PHRF Rating
213s/nm
Heavy or slow cruiser — all about the journey, not the elapsed time.
SA / Displacement
12.1
Modestly canvassed — a comfortable, unhurried cruiser.
Displacement / Length
505
Heavy displacement — a slow, steady, seakindly hull.
Comfort Ratio
47.0
Very comfortable in a seaway — a genuine bluewater motion.
Capsize Screening
1.56
Below the 2.0 offshore threshold — acceptable for ocean passages.
Pounds/Inch Immersion
969lbs
Weight needed to sink the hull one inch — loading sensitivity.
Motion & Offshore Suitability
Two ratios that matter most when you're planning passages — how the boat feels in a seaway, and whether the hull geometry is suitable for open ocean.
Comfort Ratio
47.0
Very comfortable in a seaway — a genuine bluewater motion.
Under 20 — Snappy, racing motion
20–30 — Acceptable coastal
30–40 — Good offshore comfort
Over 40 — Very comfortable offshore
Capsize Screening Formula
1.56
Below the 2.0 offshore threshold — acceptable for ocean passages.
Under 2.0 — Acceptable for offshore
Over 2.0 — Coastal / protected waters
PHRF Fleet Position
Where the Tradewind 33 sits on the PHRF handicap spectrum — lower numbers mean faster boats.
Cruiser/Racer 90–150
Cruiser 150–210
Heavy Cruiser 210–300
Newport 33
156s/nm
Irwin 33
159s/nm
Endeavour 33
183s/nm
Alajuela 33
198s/nm
Tradewind 33
213s/nm
Heavy or slow cruiser — all about the journey, not the elapsed time.
Estimated Speed by Wind
Rough boat speed estimates at different true wind speeds and points of sail — derived from hull speed, SA/D, and displacement, not measured polars.
| Point of Sail |
6 kts TWS |
10 kts TWS |
15 kts TWS |
20 kts TWS |
| Close-hauled40–50° |
2.3 |
2.9 |
3.3 |
3.4 |
| Close Reach60° |
2.8 |
3.6 |
4.0 |
4.1 |
| Beam Reach90° |
3.5 |
4.4 |
4.9 |
5.1 |
| Broad Reach120–135° |
3.2 |
4.0 |
4.5 |
4.7 |
| Run150–180° |
2.6 |
3.2 |
3.6 |
3.8 |
These are simplified estimates based on hull speed (6.8 kts),
SA/D (12.1), and empirical efficiency curves — not instrument-measured
polars. Real-world speed varies with sea state, bottom condition, sail trim, and current.
Speeds in gold approach hull speed;
bold gold means near or at hull speed.
Wind Range & Comfort Envelope
Estimated wind ranges for comfortable sailing on the Tradewind 33 — based on sail area, ballast, and displacement characteristics.
Ghost
Sweet Spot
Reef
Heavy
0–8 kts
8–22 kts
22–30 kts
30+ kts
Ghosting
0–8 kts
Light air, motor-sailing likely. Need patience and a light genoa.
Sweet Spot
8–22 kts
Comfortable under full sail. Best speed-to-comfort ratio.
Time to Reef
22–30 kts
Time to shorten sail. Reef the main, swap to a working jib.
Heavy Weather
30+ kts
Storm conditions. Storm jib or bare poles. Seek shelter if coastal.
How It Compares
Side-by-side with the boats most often cross-shopped against the Tradewind 33.
|
Tradewind 33 |
Alajuela 33 |
Endeavour 33 |
Irwin 33 |
Morgan Out Island 33 |
Newport 33 |
| Dimensions |
| LOA |
33.0 |
33.0 |
33.0 |
33.0 |
33.0 |
33.0 |
| LWL |
25.8 |
27.5 |
27.5 |
27.5 |
27.5 |
27.0 |
| Beam |
10.5 |
10.7 |
11.5 |
11.2 |
11.8 |
10.8 |
| Displacement |
19 |
13 |
11 |
10 |
14 |
9 |
| Ballast |
— |
4 |
4 |
4 |
5 |
4 |
| Sail Area |
544 |
575 |
539 |
514 |
522 |
466 |
| Performance |
| PHRF |
213 |
198 |
183 |
159 |
— |
156 |
| SA/Disp |
12.1 |
16.3 |
17.1 |
16.7 |
14.1 |
16.7 |
| Bal/Disp |
— |
34.8 |
40.5 |
38.4 |
34.5 |
42.1 |
| Comfort |
47.0 |
30.6 |
23.3 |
23.3 |
28.6 |
21.4 |
| Capsize |
1.56 |
1.80 |
2.05 |
2.02 |
1.94 |
2.05 |
| Hull Speed |
6.8 |
7.0 |
7.0 |
7.0 |
7.0 |
7.0 |