Novorossiysk to Constanta — sea route & marine weather
The sea route from Novorossiysk (RUNVS) to Constanta (ROCND) is about 428 nm — about 43 hours at 10 kn. Along the route today (Aug 3): ENE wind 4–13 kn, waves 0.2–1.1 m. The baseline track is drawn on the chart; Calculate replans it for your vessel and live weather.
Passage facts| Sea-route distance | 428 nm |
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| Passage time at 10 kn | about 43 hours |
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| Great-circle distance | 393 nm |
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| Novorossiysk | 44°43.0′N 37°46.0′E |
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| Constanta | 44°11.0′N 28°39.0′E |
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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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| ENE 4–13 kn | 18 kn | 0.2–1.1 m |
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| ESE 3–10 kn | 17 kn | 0.2–0.6 m |
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| NE 3–9 kn | 13 kn | 0.3–0.6 m |
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| ENE 4–12 kn | 20 kn | 0.2–0.5 m |
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| ENE 3–14 kn | 18 kn | 0.2–0.6 m |
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| ENE 3–15 kn | 19 kn | 0.1–0.8 m |
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| SW 7–17 kn | 21 kn | 0.2–1.1 m |
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| WNW 8–15 kn | 24 kn | 0.3–1.3 m |
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| NNW 11–16 kn | 20 kn | 0.8–0.9 m |
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| N 9–12 kn | 20 kn | 0.8–0.8 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 Novorossiysk to Constanta by sea?
The water route is 428 nm (793 km), computed on WXMarine's maritime routing network. The same distance applies on the return passage from Constanta to Novorossiysk.
How long does the passage from Novorossiysk to Constanta 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 Novorossiysk and Constanta today?
Along the route today, per the ECMWF IFS run 2026-08-03 12z: ENE wind 4–13 kn, waves 0.2–1.1 m. The day-by-day table on this page covers the next 10 days.