Buenos Aires to Mar del Plata — sea route & marine weather
The sea route from Buenos Aires (ARBUE) to Mar del Plata (ARMDQ) is about 272 nm — about 27 hours at 10 kn. Along the route today (Aug 3): E wind 2–8 kn, waves 2.2–2.3 m. The baseline track is drawn on the chart; Calculate replans it for your vessel and live weather.
Passage facts| Sea-route distance | 272 nm |
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| Passage time at 10 kn | about 27 hours |
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| Great-circle distance | 211 nm |
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| Buenos Aires | 34°36.0′S 58°22.0′W |
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| Mar del Plata | 38°3.0′S 57°32.0′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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| E 2–8 kn | 16 kn | 2.2–2.3 m |
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| SE 1–9 kn | 14 kn | 1.4–2.0 m |
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| ESE 2–10 kn | 13 kn | 1.1–1.3 m |
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| ESE 4–23 kn | 31 kn | 1.0–1.7 m |
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| WSW 6–30 kn | 43 kn | 2.1–3.4 m |
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| WNW 7–24 kn | 30 kn | 1.8–2.5 m |
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| WSW 7–24 kn | 30 kn | 2.4–2.4 m |
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| SSW 4–22 kn | 29 kn | 2.7–2.7 m |
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| ESE 4–8 kn | 18 kn | 2.1–2.1 m |
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| E 4–8 kn | 14 kn | 1.9–1.9 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 Buenos Aires to Mar del Plata by sea?
The water route is 272 nm (504 km), computed on WXMarine's maritime routing network. The same distance applies on the return passage from Mar del Plata to Buenos Aires.
How long does the passage from Buenos Aires to Mar del Plata take?
about 27 hours 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 Buenos Aires and Mar del Plata today?
Along the route today, per the ECMWF IFS run 2026-08-03 12z: E wind 2–8 kn, waves 2.2–2.3 m. The day-by-day table on this page covers the next 10 days.