Tarragona to Saint-Nazaire — sea route & marine weather
The sea route from Tarragona (ESTAR) to Saint-Nazaire (FRSNR) is about 1,478 nm — about 6 days at 10 kn. Along the route today (Nov 3): wind 1–29 kn, waves 0.2–2.9 m. The baseline track is drawn on the chart; Calculate replans it for your vessel and live weather.
Passage facts| Sea-route distance | 1,478 nm |
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| Passage time at 10 kn | about 6 days |
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| Great-circle distance | 399 nm |
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| Tarragona | 41°6.0′N 1°14.0′E |
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| Saint-Nazaire | 47°17.0′N 2°12.0′W |
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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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| 1–29 kn | 36 kn | 0.2–2.9 m |
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| NNE 1–19 kn | 27 kn | 0.3–2.2 m |
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| 1–14 kn | 20 kn | 0.3–1.8 m |
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| 0–12 kn | 17 kn | 0.2–1.3 m |
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| ESE 0–14 kn | 18 kn | 0.2–1.3 m |
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| ESE 2–21 kn | 27 kn | 0.2–2.2 m |
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| ESE 2–24 kn | 31 kn | 0.3–2.3 m |
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| 3–26 kn | 38 kn | 0.3–3.7 m |
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| SSW 1–25 kn | 34 kn | 0.2–3.6 m |
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| 1–17 kn | 30 kn | 0.4–2.6 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 Tarragona to Saint-Nazaire by sea?
The water route is 1,478 nm (2,737 km), computed on WXMarine's maritime routing network. The same distance applies on the return passage from Saint-Nazaire to Tarragona.
How long does the passage from Tarragona to Saint-Nazaire take?
about 6 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 Tarragona and Saint-Nazaire today?
Along the route today, per the ECMWF IFS run 2026-11-03 00z: wind 1–29 kn, waves 0.2–2.9 m. The day-by-day table on this page covers the next 10 days.