Gdansk to Terneuzen — sea route & marine weather
The sea route from Gdansk (PLGDN) to Terneuzen (NLTNZ) is about 940 nm — about 4 days at 10 kn. Along the route today (Aug 3): ENE wind 1–17 kn, waves 0.1–1.2 m. The baseline track is drawn on the chart; Calculate replans it for your vessel and live weather.
Passage facts| Sea-route distance | 940 nm |
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| Passage time at 10 kn | about 4 days |
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| Great-circle distance | 568 nm |
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| Gdansk | 54°21.0′N 18°40.0′E |
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| Terneuzen | 51°21.0′N 3°49.0′E |
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| Reference vessel | 4.5 m draft, 10 kn cruise |
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10-day marine forecast — along the route
| Date | Wind | Gusts | Waves |
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| ENE 1–17 kn | 23 kn | 0.1–1.2 m |
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| E 0–18 kn | 24 kn | 0.1–1.3 m |
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| SSW 3–21 kn | 28 kn | 0.2–1.5 m |
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| WSW 3–25 kn | 35 kn | 0.2–2.5 m |
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| WSW 2–27 kn | 37 kn | 0.8–2.4 m |
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| WSW 1–19 kn | 24 kn | 0.3–1.3 m |
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| SE 2–18 kn | 22 kn | 0.1–0.9 m |
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| S 7–17 kn | 24 kn | 0.3–0.9 m |
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| WNW 5–17 kn | 27 kn | 0.5–1.1 m |
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| WNW 3–14 kn | 23 kn | 0.2–0.7 m |
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Forecast from the ECMWF IFS model run , waves from ECMWF WAM. Updated with each model cycle; the live chart below recalculates for your departure time and vessel.
Frequently asked
How far is it from Gdansk to Terneuzen by sea?
The water route is 940 nm (1,740 km), computed on WXMarine's maritime routing network. The same distance applies on the return passage from Terneuzen to Gdansk.
How long does the passage from Gdansk to Terneuzen take?
about 4 days at a 10 kn cruise. Scale by your own speed: at half the speed it takes about twice as long. The planner on this page recalculates for your vessel and live weather.
What is the weather between Gdansk and Terneuzen today?
Along the route today, per the ECMWF IFS run 2026-08-03 12z: ENE wind 1–17 kn, waves 0.1–1.2 m. The day-by-day table on this page covers the next 10 days.