The Cape Cod 30 is well-powered with enough sail area to move in light air, with acceptable motion comfort for coastal passages, designed for cruising comfort rather than racing.
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 23.2′, the Cape Cod 30 tops out around 6.5 knots in displacement mode — after that, the bow wave outruns the hull and resistance climbs steeply.
1.34 × √23.2′ LWL = 6.5 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
204s/nm
Typical cruiser — designed for comfort and ease, not podium finishes.
SA / Displacement
19.2
Powerful cruiser/racer — quick in light air, reef early when it pipes up.
Displacement / Length
251
Moderate-heavy — carries provisions well, deliberate in light air.
Comfort Ratio
23.0
Acceptable coastal comfort — fine for weekends, notice the chop offshore.
Capsize Screening
1.88
Below the 2.0 offshore threshold — acceptable for ocean passages.
Pounds/Inch Immersion
745lbs
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
23.0
Acceptable coastal comfort — fine for weekends, notice the chop offshore.
Under 20 — Snappy, racing motion
20–30 — Acceptable coastal
30–40 — Good offshore comfort
Over 40 — Very comfortable offshore
Capsize Screening Formula
1.88
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 Cape Cod 30 sits on the PHRF handicap spectrum — lower numbers mean faster boats.
Cruiser/Racer 90–150
Cruiser 150–210
Heavy Cruiser 210–300
Columbia 30
180s/nm
Cal 30
183s/nm
Cape Cod 30
204s/nm
Typical cruiser — designed for comfort and ease, not podium finishes.
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° |
2.7 |
3.5 |
3.9 |
4.0 |
| Close Reach60° |
3.3 |
4.2 |
4.7 |
4.9 |
| Beam Reach90° |
4.1 |
5.1 |
5.7 |
6.0 |
| Broad Reach120–135° |
3.7 |
4.7 |
5.3 |
5.5 |
| Run150–180° |
3.0 |
3.8 |
4.2 |
4.4 |
These are simplified estimates based on hull speed (6.5 kts),
SA/D (19.2), 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 Cape Cod 30 — based on sail area, ballast, and displacement characteristics.
Ghost
Sweet Spot
Reef
Heavy
0–6 kts
6–18 kts
18–26 kts
26+ kts
Ghosting
0–6 kts
Light air, motor-sailing likely. Need patience and a light genoa.
Sweet Spot
6–18 kts
Comfortable under full sail. Best speed-to-comfort ratio.
Time to Reef
18–26 kts
Time to shorten sail. Reef the main, swap to a working jib.
Heavy Weather
26+ 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 Cape Cod 30.
|
Cape Cod 30 |
Acadian 30 Paceship |
Cal 30 |
Capri 30 Chris Craft |
Columbia 30 |
Yankee 30 Mkii 98 |
| Dimensions |
| LOA |
30.0 |
30.0 |
30.0 |
30.0 |
30.0 |
30.0 |
| LWL |
23.2 |
21.8 |
24.5 |
25.0 |
26.5 |
23.0 |
| Beam |
9.0 |
8.5 |
10.0 |
9.7 |
9.5 |
9.0 |
| Displacement |
7 |
7 |
9 |
11 |
10 |
8 |
| Ballast |
— |
3 |
3 |
4 |
— |
4 |
| Sail Area |
438 |
387 |
420 |
474 |
515 |
430 |
| Performance |
| PHRF |
204 |
— |
183 |
— |
180 |
— |
| SA/Disp |
19.2 |
17.0 |
14.9 |
14.7 |
16.9 |
16.3 |
| Bal/Disp |
— |
— |
— |
— |
— |
47.5 |
| Comfort |
23.0 |
25.8 |
26.4 |
33.3 |
30.2 |
28.7 |
| Capsize |
1.88 |
1.78 |
1.89 |
1.70 |
1.72 |
1.75 |
| Hull Speed |
6.5 |
6.3 |
6.6 |
6.7 |
6.9 |
6.4 |