Buenos Aires to La Plata — sea route & marine weather
The sea route from Buenos Aires (ARBUE) to La Plata (ARLPG) is about 27 nm — about 3 hours at 10 kn. Along the route today (Aug 3): E wind 4–7 kn, waves 0.6–0.7 m. The baseline track is drawn on the chart; Calculate replans it for your vessel and live weather.
Passage facts| Sea-route distance | 27 nm |
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| Passage time at 10 kn | about 3 hours |
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| Great-circle distance | 28 nm |
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| Buenos Aires | 34°36.0′S 58°22.0′W |
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| La Plata | 34°51.0′S 57°53.0′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 4–7 kn | 16 kn | 0.6–0.7 m |
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| SE 5–7 kn | 14 kn | 0.7–0.8 m |
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| ESE 4–5 kn | 12 kn | 0.6–0.8 m |
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| ESE 4–13 kn | 23 kn | 0.4–0.6 m |
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| WSW 6–14 kn | 28 kn | 1.3–2.6 m |
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| WNW 7–8 kn | 10 kn | 0.9–1.1 m |
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| WSW 7–7 kn | 9 kn | 1.3–1.3 m |
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| SSW 4–4 kn | 9 kn | 1.0–1.0 m |
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| ESE 6–6 kn | 10 kn | 0.8–0.8 m |
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| E 7–7 kn | 12 kn | 0.9–0.9 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 La Plata by sea?
The water route is 27 nm (50 km), computed on WXMarine's maritime routing network. The same distance applies on the return passage from La Plata to Buenos Aires.
How long does the passage from Buenos Aires to La Plata take?
about 3 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 La Plata today?
Along the route today, per the ECMWF IFS run 2026-08-03 12z: E wind 4–7 kn, waves 0.6–0.7 m. The day-by-day table on this page covers the next 10 days.