Voyage estimate
Suezmax voyage: Mongstad to Gdansk
A Suezmax carrying 130,000 tonnes from Mongstad to Gdansk sails about 758 nm laden on the open-sea route, about 2.5 days at 12.5 knots. With the ballast leg back and 4 days in port, the round voyage takes about 9.0 days and burns about 281 tonnes of fuel.
Round voyage
9.0 d
2.5 d laden
Laden distance
758 nm
Shortest route
Fuel (VLSFO)
281 t
Round voyage
CO2
886 t
886 t in EU ETS
Round voyage breakdown
| Leg | Distance | Speed | Days | Fuel |
|---|---|---|---|---|
Laden Mongstad → Gdansk | 758 nm | 12.5 kn | 2.5 | 101 t |
Ballast Gdansk → Mongstad | 758 nm | 13 kn | 2.4 | 80 t |
Port time Loading and discharge | — | — | 4.0 | 100 t |
| Round voyage | 1,516 nm | 9.0 | 281 t |
Laden on the open-sea route; ballast on the open-sea route.
Emissions and EU ETS
The round voyage burns about 281 tonnes of VLSFO, emitting about 886 tonnes of CO2. Both ports are in the EU ETS area, so all emissions count: about 886 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 Mongstad to Gdansk?
About 2 days 13 hours laden at 12.5 knots over 758 nm on the open-sea route. The full round voyage, with the ballast leg back and 4 days in port, takes about 9.0 days.
How much fuel does a Suezmax burn on this voyage?
About 281 tonnes of VLSFO for the round voyage (101 t laden, 80 t ballast, 100 t in port), emitting about 886 tonnes of CO2.
Is this voyage in the EU Emissions Trading System?
Yes. Both ports are in the EU ETS area, so all emissions count: about 886 tonnes of CO2, which means the same number of EU allowances to surrender.