Durban to Mossel Bay — sea route & marine weather
The sea route from Durban (ZADUR) to Mossel Bay (ZAMZY) is about 654 nm — about 3 days at 10 kn. Along the route today (Aug 3): ESE wind 5–20 kn, waves 2.1–2.6 m. The baseline track is drawn on the chart; Calculate replans it for your vessel and live weather.
Passage facts| Sea-route distance | 654 nm |
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| Passage time at 10 kn | about 3 days |
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| Great-circle distance | 523 nm |
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| Durban | 29°52.0′S 31°4.0′E |
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| Mossel Bay | 34°10.5′S 22°8.8′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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| ESE 5–20 kn | 26 kn | 2.1–2.6 m |
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| NNE 7–21 kn | 27 kn | 1.8–2.6 m |
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| NNE 3–21 kn | 27 kn | 1.7–2.5 m |
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| NNE 12–21 kn | 28 kn | 1.6–4.1 m |
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| S 2–19 kn | 24 kn | 2.3–3.7 m |
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| NE 4–23 kn | 29 kn | 2.3–3.7 m |
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| NNE 8–29 kn | 36 kn | 2.8–4.8 m |
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| SSE 20–30 kn | 42 kn | 4.4–5.4 m |
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| ESE 17–28 kn | 40 kn | 3.6–4.1 m |
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| NE 14–40 kn | 54 kn | 3.2–5.7 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 Durban to Mossel Bay by sea?
The water route is 654 nm (1,211 km), computed on WXMarine's maritime routing network. The same distance applies on the return passage from Mossel Bay to Durban.
How long does the passage from Durban to Mossel Bay take?
about 3 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 Durban and Mossel Bay today?
Along the route today, per the ECMWF IFS run 2026-08-03 12z: ESE wind 5–20 kn, waves 2.1–2.6 m. The day-by-day table on this page covers the next 10 days.