The Seascape 27 is aggressively canvassed for its weight, with a quick, snappy motion best suited to day sailing.
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 25.0′, the Seascape 27 tops out around 6.7 knots in displacement mode — after that, the bow wave outruns the hull and resistance climbs steeply.
1.34 × √25.0′ LWL = 6.7 kts
Performance Ratios
Racing handicap, sail-carrying power, stability and comfort — and what each one actually tells you about a day on the water.
SA / Displacement
37.4
Performance-oriented — carries a lot of canvas for its weight.
Ballast / Displacement
43.6%
Stiff enough to carry a big genoa comfortably into moderate breeze.
Displacement / Length
88
Ultralight — responsive and fast, but carries less stores.
Comfort Ratio
11.1
Quick, snappy motion — better for day sails and racing than long passages.
Capsize Screening
2.29
Above the 2.0 offshore threshold — best suited for coastal and protected waters.
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
11.1
Quick, snappy motion — better for day sails and racing than long passages.
Under 20 — Snappy, racing motion
20–30 — Acceptable coastal
30–40 — Good offshore comfort
Over 40 — Very comfortable offshore
Capsize Screening Formula
2.29
Above the 2.0 offshore threshold — best suited for coastal and protected waters.
Under 2.0 — Acceptable for offshore
Over 2.0 — Coastal / protected waters
PHRF Fleet Position
Where the Seascape 27 sits on the PHRF handicap spectrum — lower numbers mean faster boats.
Racer 0–90
Cruiser/Racer 90–150
Cruiser 150–210
Seascape 24
93s/nm
Olson 30
100s/nm
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° |
3.2 |
4.0 |
4.5 |
4.6 |
| Close Reach60° |
3.8 |
4.8 |
5.4 |
5.6 |
| Beam Reach90° |
4.7 |
5.9 |
6.6 |
7.2 |
| Broad Reach120–135° |
4.3 |
5.5 |
6.1 |
6.6 |
| Run150–180° |
3.5 |
4.4 |
4.9 |
5.1 |
These are simplified estimates based on hull speed (6.7 kts),
SA/D (37.4), 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 Seascape 27 — based on sail area, ballast, and displacement characteristics.
Ghost
Sweet Spot
Reef
Heavy
0–5 kts
5–18 kts
18–28 kts
28+ kts
Ghosting
0–5 kts
Light air, motor-sailing likely. Need patience and a light genoa.
Sweet Spot
5–18 kts
Comfortable under full sail. Best speed-to-comfort ratio.
Time to Reef
18–28 kts
Time to shorten sail. Reef the main, swap to a working jib.
Heavy Weather
28+ 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 Seascape 27.
|
Seascape 27 |
First 27 Beneteau |
First 30 Beneteau S Manuard |
Olson 30 |
Seascape 24 |
| Dimensions |
| LOA |
26.2 |
26.2 |
33.9 |
30.0 |
23.9 |
| LWL |
25.0 |
21.8 |
28.7 |
27.5 |
— |
| Beam |
8.3 |
9.8 |
9.8 |
9.3 |
8.2 |
| Displacement |
3 |
5 |
6 |
3 |
2 |
| Ballast |
1 |
1 |
2 |
1 |
705 |
| Sail Area |
495 |
306 |
588 |
380 |
430 |
| Performance |
| PHRF |
— |
— |
— |
100 |
93 |
| SA/Disp |
37.4 |
16.2 |
26.6 |
26.0 |
41.9 |
| Bal/Disp |
43.6 |
36.0 |
35.2 |
— |
— |
| Comfort |
11.1 |
16.8 |
16.4 |
10.1 |
— |
| Capsize |
2.29 |
2.26 |
2.08 |
2.44 |
2.56 |
| Hull Speed |
6.7 |
6.3 |
7.2 |
7.0 |
— |