Ocean Gem: ORC Rating

GPH

623.8

OSN

605.5

LOA

13.49 m

Displacement

10589 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7023

Medium

0.9791

High

1.1613

Triple Offshore

Low

0.9202

Medium

1.2314

High

1.4085

Boat Specifications

Dimensions

Length overall: 13.49 m
Beam: 4.29 m
Draft: 1.83 m
Displacement: 10589 kg
Crew weight: 838 kg
Wetted surface: 38.42 m²

Sails

Mainsail: 43.99 m²
Genoa: 56.78 m²
Spinnaker: 136.54 m²
Asymmetric spinnaker: 0 m²

Design

Type: Beneteau M445
Builder: Beneteau Yachts
Designer: B Farr
Year built: 1990

Performance data

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into Offwind or compatible navigation software.

6,46.1,4.586085,52,5.01,60,5.43,75,5.78,90,5.74,110,5.63,120,5.51,135,4.99,145.2,4.396278,150,4.17
8,44.4,5.416582,52,6.01,60,6.42,75,6.79,90,6.8,110,6.88,120,6.76,135,6.21,149.2,5.33203,150,5.29
10,44.3,6.133917,52,6.79,60,7.19,75,7.47,90,7.52,110,7.71,120,7.64,135,7.25,147.6,6.514057,150,6.35
12,44.2,6.737242,52,7.33,60,7.61,75,7.83,90,7.92,110,8.14,120,8.11,135,7.86,150,7.26,153.1,7.098024
14,43.1,6.971053,52,7.6,60,7.84,75,8.07,90,8.16,110,8.49,120,8.48,135,8.24,150,7.83,160.9,7.365478
16,42.3,7.057572,52,7.72,60,7.98,75,8.26,90,8.39,110,8.82,120,8.87,135,8.61,150,8.19,180,7.55
20,42.6,7.172967,52,7.79,60,8.07,75,8.5,90,8.83,110,9.22,120,9.61,135,9.44,150,8.9,180,8.3

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.01	5.43	5.78	5.74	5.63	5.51	4.99	4.17
8	6.01	6.42	6.79	6.8	6.88	6.76	6.21	5.29
10	6.79	7.19	7.47	7.52	7.71	7.64	7.25	6.35
12	7.33	7.61	7.83	7.92	8.14	8.11	7.86	7.26
14	7.6	7.84	8.07	8.16	8.49	8.48	8.24	7.83
16	7.72	7.98	8.26	8.39	8.82	8.87	8.61	8.19
20	7.79	8.07	8.5	8.83	9.22	9.61	9.44	8.9

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	46.1°	3.18	145.2°	3.61
8	44.4°	3.87	149.2°	4.58
10	44.3°	4.39	147.6°	5.5
12	44.2°	4.83	153.1°	6.33
14	43.1°	5.09	160.9°	6.96
16	42.3°	5.22	180°	7.55
20	42.6°	5.28	180°	8.3

VPP POLAR · BOAT SPEED BY TWAKT

TRUE WIND ANGLE —

READ AT ANGLE

Hover or tap the chart, or use the slider, to read boat speeds.

True wind speed 6 kt8 kt10 kt12 kt14 kt16 kt20 kt

Data table

Boat speed by true wind angle and true wind speed
TWA	Boat speed in 6 kt (kt)	Boat speed in 8 kt (kt)	Boat speed in 10 kt (kt)	Boat speed in 12 kt (kt)	Boat speed in 14 kt (kt)	Boat speed in 16 kt (kt)	Boat speed in 20 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	5.01	6.01	6.79	7.33	7.60	7.72	7.79
60°	5.43	6.42	7.19	7.61	7.84	7.98	8.07
75°	5.78	6.79	7.47	7.83	8.07	8.26	8.50
90°	5.74	6.80	7.52	7.92	8.16	8.39	8.83
110°	5.63	6.88	7.71	8.14	8.49	8.82	9.22
120°	5.51	6.76	7.64	8.11	8.48	8.87	9.61
135°	4.99	6.21	7.25	7.86	8.24	8.61	9.44
150°	4.17	5.29	6.35	7.26	7.83	8.19	8.90