Rio de Janeiro to Itajaí — sea route & marine weather
The sea route from Rio de Janeiro (BRRIO) to Itajaí (BRITJ) is about 430 nm — about 43 hours at 10 kn. Along the route today (Aug 3): NE wind 1–16 kn, waves 1.1–1.5 m. The baseline track is drawn on the chart; Calculate replans it for your vessel and live weather.
Passage facts| Sea-route distance | 430 nm |
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| Passage time at 10 kn | about 43 hours |
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| Great-circle distance | 383 nm |
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| Rio de Janeiro | 22°54.0′S 43°10.0′W |
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| Itajaí | 26°54.0′S 48°39.0′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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| NE 1–16 kn | 20 kn | 1.1–1.5 m |
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| NE 1–17 kn | 22 kn | 1.1–1.6 m |
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| NE 2–20 kn | 28 kn | 1.3–2.1 m |
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| NE 5–19 kn | 32 kn | 1.2–2.0 m |
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| NE 2–21 kn | 29 kn | 1.1–1.8 m |
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| ESE 4–16 kn | 20 kn | 1.0–2.3 m |
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| NE 7–23 kn | 29 kn | 1.8–2.6 m |
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| SSE 8–16 kn | 20 kn | 2.2–2.5 m |
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| SSE 8–15 kn | 22 kn | 2.2–2.5 m |
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| SE 5–15 kn | 20 kn | 2.0–2.6 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 Rio de Janeiro to Itajaí by sea?
The water route is 430 nm (796 km), computed on WXMarine's maritime routing network. The same distance applies on the return passage from Itajaí to Rio de Janeiro.
How long does the passage from Rio de Janeiro to Itajaí take?
about 43 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 Rio de Janeiro and Itajaí today?
Along the route today, per the ECMWF IFS run 2026-08-03 12z: NE wind 1–16 kn, waves 1.1–1.5 m. The day-by-day table on this page covers the next 10 days.