Voyage estimate
Suezmax voyage: Bonny to Augusta
A Suezmax carrying 130,000 tonnes from Bonny to Augusta sails about 4,465 nm laden via the Strait of Gibraltar, about 14.9 days at 12.5 knots. With the ballast leg back and 4 days in port, the round voyage takes about 33.2 days and burns about 1,167 tonnes of fuel.
Round voyage
33.2 d
14.9 d laden
Laden distance
4,465 nm
Shortest route
Fuel (VLSFO)
1,167 t
Round voyage
CO2
3,679 t
1,839 t in EU ETS
Round voyage breakdown
| Leg | Distance | Speed | Days | Fuel |
|---|---|---|---|---|
Laden Bonny → Augusta | 4,465 nm | 12.5 kn | 14.9 | 595 t |
Ballast Augusta → Bonny | 4,465 nm | 13 kn | 14.3 | 472 t |
Port time Loading and discharge | — | — | 4.0 | 100 t |
| Round voyage | 8,929 nm | 33.2 | 1,167 t |
Laden via the Strait of Gibraltar; ballast via the Strait of Gibraltar.
Emissions and EU ETS
The round voyage burns about 1,167 tonnes of VLSFO, emitting about 3,679 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 1,839 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 Bonny to Augusta?
About 14 days 21 hours laden at 12.5 knots over 4,465 nm via the Strait of Gibraltar. The full round voyage, with the ballast leg back and 4 days in port, takes about 33.2 days.
How much fuel does a Suezmax burn on this voyage?
About 1,167 tonnes of VLSFO for the round voyage (595 t laden, 472 t ballast, 100 t in port), emitting about 3,679 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 1,839 tonnes of CO2, which means the same number of EU allowances to surrender.