The Oceanis 48 Beneteau is well-powered with enough sail area to move in light air, with acceptable motion comfort for coastal passages.
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 41.5′, the Oceanis 48 Beneteau tops out around 8.6 knots in displacement mode — after that, the bow wave outruns the hull and resistance climbs steeply.
1.34 × √41.5′ LWL = 8.6 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
19.8
Powerful cruiser/racer — quick in light air, reef early when it pipes up.
Ballast / Displacement
28.0%
Light ballast — tends to be tender; reef earlier than the numbers suggest.
Displacement / Length
172
Moderate — a good balance of speed and load-carrying ability.
Comfort Ratio
25.1
Acceptable coastal comfort — fine for weekends, notice the chop offshore.
Capsize Screening
2.06
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
25.1
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
2.06
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
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° |
3.7 |
4.7 |
5.2 |
5.5 |
| Close Reach60° |
4.5 |
5.7 |
6.4 |
6.6 |
| Beam Reach90° |
5.5 |
7.0 |
7.8 |
8.4 |
| Broad Reach120–135° |
5.1 |
6.4 |
7.2 |
7.8 |
| Run150–180° |
4.1 |
5.2 |
5.8 |
6.0 |
These are simplified estimates based on hull speed (8.6 kts),
SA/D (19.8), 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 Oceanis 48 Beneteau — based on sail area, ballast, and displacement characteristics.
Ghost
Sweet Spot
Reef
Heavy
0–6 kts
6–16 kts
16–24 kts
24+ kts
Ghosting
0–6 kts
Light air, motor-sailing likely. Need patience and a light genoa.
Sweet Spot
6–16 kts
Comfortable under full sail. Best speed-to-comfort ratio.
Time to Reef
16–24 kts
Time to shorten sail. Reef the main, swap to a working jib.
Heavy Weather
24+ 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 Oceanis 48 Beneteau.
|
Oceanis 48 Beneteau |
Beneteau Oceanis 461 |
Beneteau Oceanis 473 |
Oceanis 423 Beneteau |
Oceanis 46.1 Beneteau |
| Dimensions |
| LOA |
47.9 |
46.0 |
46.9 |
42.3 |
47.9 |
| LWL |
41.5 |
43.0 |
43.8 |
36.1 |
41.3 |
| Beam |
15.6 |
13.8 |
14.2 |
13.8 |
15.1 |
| Displacement |
27 |
21,000 |
24,277 |
21 |
29 |
| Ballast |
7 |
7,484 |
— |
7 |
10 |
| Sail Area |
1 |
833 |
— |
829 |
1,120 |
| Performance |
| SA/Disp |
19.8 |
17.5 |
— |
17.1 |
18.7 |
| Bal/Disp |
28.0 |
35.6 |
— |
35.7 |
34.3 |
| Comfort |
25.1 |
22.3 |
24.4 |
26.5 |
28.2 |
| Capsize |
2.06 |
2.00 |
1.96 |
1.98 |
1.96 |
| Hull Speed |
8.6 |
8.8 |
8.9 |
8.1 |
8.6 |