Tarragona to Montoir-de-Bretagne — sea route & marine weather
The sea route from Tarragona (ESTAR) to Montoir-de-Bretagne (FRMTX) is about 1,478 nm — about 6 days at 10 kn. Along the route today (Sep 18): wind 3–19 kn, waves 0.3–3.1 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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| Montoir-de-Bretagne | 47°18.0′N 2°8.0′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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| 3–19 kn | 27 kn | 0.3–3.1 m |
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| 1–24 kn | 29 kn | 0.2–2.9 m |
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| 2–24 kn | 33 kn | 0.2–2.2 m |
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| NE 1–20 kn | 29 kn | 0.2–2.1 m |
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| ENE 0–22 kn | 32 kn | 0.1–1.6 m |
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| ENE 3–26 kn | 38 kn | 0.2–2.1 m |
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| ENE 1–10 kn | 13 kn | 0.3–2.0 m |
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| 3–10 kn | 19 kn | 0.2–1.8 m |
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| 4–17 kn | 23 kn | 0.1–2.3 m |
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| 3–22 kn | 32 kn | 0.4–1.6 m |
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Forecast from the NOAA GFS 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 Montoir-de-Bretagne by sea?
The water route is 1,478 nm (2,736 km), computed on WXMarine's maritime routing network. The same distance applies on the return passage from Montoir-de-Bretagne to Tarragona.
How long does the passage from Tarragona to Montoir-de-Bretagne 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 Montoir-de-Bretagne today?
Along the route today, per the NOAA GFS run 2026-09-18 18z: wind 3–19 kn, waves 0.3–3.1 m. The day-by-day table on this page covers the next 10 days.