Voyage estimate
Suezmax voyage: Supsa to Gdansk
A Suezmax carrying 130,000 tonnes from Supsa to Gdansk sails about 4,624 nm laden via the Bosphorus, Strait of Gibraltar and Dover Strait, about 15.4 days at 12.5 knots. With the ballast leg back and 4 days in port, the round voyage takes about 34.2 days and burns about 1,206 tonnes of fuel.
Round voyage
34.2 d
15.4 d laden
Laden distance
4,624 nm
Shortest route
Fuel (VLSFO)
1,206 t
Round voyage
CO2
3,799 t
1,899 t in EU ETS
Round voyage breakdown
| Leg | Distance | Speed | Days | Fuel |
|---|---|---|---|---|
Laden Supsa → Gdansk | 4,624 nm | 12.5 kn | 15.4 | 617 t |
Ballast Gdansk → Supsa | 4,624 nm | 13 kn | 14.8 | 489 t |
Port time Loading and discharge | — | — | 4.0 | 100 t |
| Round voyage | 9,248 nm | 34.2 | 1,206 t |
Laden via the Bosphorus, Strait of Gibraltar and Dover Strait; ballast via the Bosphorus, Strait of Gibraltar and Dover Strait.
Emissions and EU ETS
The round voyage burns about 1,206 tonnes of VLSFO, emitting about 3,799 tonnes of CO2. One end of the voyage is in the EU ETS area, so half of the emissions at sea count, plus emissions at the EU berth: about 1,899 tonnes of CO2, or the same number of EU allowances.
From 2026 shipping companies surrender allowances for 100% of in-scope emissions. Who pays is for the charter party to say.
Assumptions
- Cargo
- 130,000 t
- Laden speed
- 12.5 kn at 40 t/day
- Ballast speed
- 13 kn at 33 t/day
- Port time
- 4 days at 25 t/day
- Laden draft
- 17 m
- CO2 factor
- 3.151 t per t fuel
Other ship sizes on this route
Questions
How long does a Suezmax take from Supsa to Gdansk?
About 15 days 10 hours laden at 12.5 knots over 4,624 nm via the Bosphorus, Strait of Gibraltar and Dover Strait. The full round voyage, with the ballast leg back and 4 days in port, takes about 34.2 days.
How much fuel does a Suezmax burn on this voyage?
About 1,206 tonnes of VLSFO for the round voyage (617 t laden, 489 t ballast, 100 t in port), emitting about 3,799 tonnes of CO2.
Is this voyage in the EU Emissions Trading System?
Yes. One end is in the EU ETS area, so half the sea emissions count, plus emissions at the EU berth: about 1,899 tonnes of CO2, which means the same number of EU allowances to surrender.