SIGMA 33 OOD
Specifications
Hull
| LOA | 32.5 ft |
| LWL | 26.25 ft |
| Beam | 10.5 ft |
| Draft | 5.75 ft |
| Displacement | 9,200 lb |
| Ballast | 3,472.1 lb |
| Hull speed1.34·√LWL | 6.9 kn |
Rig & Sails
| Iforetriangle height | 37 ft |
| Jforetriangle base | 11.75 ft |
| Pmainsail luff | 38 ft |
| Emainsail foot | 13 ft |
| FLforestay | 11.8 ft |
| Mainsail | 484.1 sq ft |
| Jib (100%) | 217.4 sq ft |
| Spinnaker | 369.5 sq ft |
Engine
| Commonly | Beta Marine |
About the SIGMA 33 OOD
The SIGMA 33C has a shorter masthead rig and shallow draft (4.83') (44 built) More than 400 SIGMA 33's (all versions) have been built.
Direct variant of the SIGMA 33 OOD
Near-identical models — same hull, builder and designer, re-badged or lightly changed. Specs and owner-reported issues are typically shared across the group, so a sister model's page may carry detail this one doesn't.
Performance
ORC Performance Data(9 certificates)
Measured performance data from ORC (Offshore Racing Congress) certificates.
Polar Diagram
Boat speed (kn) vs. true wind angle. Source: ORC
Racing Ratings
Triple Number
ORC Measured
Sail Areas (ORC)
Speed Table (kn)
| TWA \ TWS | 6 | 8 | 10 | 12 | 14 | 16 | 20 |
|---|---|---|---|---|---|---|---|
| 52° | 4.7 | 5.6 | 6.2 | 6.4 | 6.5 | 6.6 | 6.6 |
| 60° | 5.0 | 5.9 | 6.3 | 6.6 | 6.7 | 6.8 | 6.8 |
| 75° | 5.2 | 6.1 | 6.5 | 6.7 | 6.9 | 7.1 | 7.2 |
| 90° | 5.1 | 6.0 | 6.6 | 6.8 | 7.0 | 7.2 | 7.5 |
| 110° | 5.1 | 6.1 | 6.7 | 7.0 | 7.3 | 7.6 | 7.9 |
| 120° | 4.9 | 6.0 | 6.6 | 6.9 | 7.2 | 7.6 | 8.1 |
| 135° | 4.5 | 5.4 | 6.3 | 6.7 | 7.0 | 7.3 | 8.0 |
| 150° | 3.8 | 4.8 | 5.6 | 6.3 | 6.7 | 7.0 | 7.6 |
| Beat VMG | 3.1 | 3.7 | 4.2 | 4.5 | 4.6 | 4.7 | 4.6 |
| Run VMG | 3.3 | 4.1 | 4.9 | 5.6 | 6.2 | 6.6 | 7.2 |
Images
Estimated Value
Low ConfidenceEstimated Cost of Ownership
Based on 32.5ft LOA. Actual costs vary by condition, usage, and local rates.
Known Issues & Pre-Purchase Inspection
We don't have enough data on the SIGMA 33 OODyet to publish model-specific findings we'd stand behind — but here's a free general inspection checklist, built from our research into what actually goes wrong on boats of this kind.
Drawn from 7,029 documented issues across 2,391 models, ordered so the areas that most often turn up problems come first.
Own a SIGMA 33 OOD? Reports from owners are what turn this into a model-specific checklist — and they're the reason the boats above it have one.
Similar Sailboats
Which engine powers your SIGMA 33 OOD?
We haven't confirmed the engine for this model yet. If you own or know one, tell us — as owners report in, we build an accurate picture over time.
Brands sometimes mentioned for this model: Beta Marine — is it one of these?
Already know your engine? Search all engines → to find its exact parts.
Used sails that fit the SIGMA 33 OOD
Checking eBay for sails sized to this boat's rig…