Alger (Algiers) to Cagliari — sea route & marine weather
The sea route from Alger (Algiers) (DZALG) to Cagliari (ITCAG) is about 350 nm — about 35 hours at 10 kn. Along the route today (Aug 3): WSW wind 3–12 kn, waves 0.3–0.8 m. The baseline track is drawn on the chart; Calculate replans it for your vessel and live weather.
Passage facts| Sea-route distance | 350 nm |
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| Passage time at 10 kn | about 35 hours |
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| Great-circle distance | 323 nm |
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| Alger (Algiers) | 36°45.0′N 3°3.0′E |
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| Cagliari | 39°13.0′N 9°7.0′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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| WSW 3–12 kn | 15 kn | 0.3–0.8 m |
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| WSW 1–18 kn | 22 kn | 0.3–1.2 m |
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| NW 1–7 kn | 12 kn | 0.3–0.6 m |
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| NNE 3–9 kn | 15 kn | 0.2–0.4 m |
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| ENE 3–14 kn | 17 kn | 0.1–0.7 m |
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| ENE 2–9 kn | 12 kn | 0.2–0.6 m |
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| NNW 4–10 kn | 13 kn | 0.2–0.6 m |
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| WNW 7–7 kn | 12 kn | 0.2–0.4 m |
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| NNE 5–7 kn | 11 kn | 0.2–0.3 m |
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| NE 7–10 kn | 15 kn | 0.2–0.3 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 Alger (Algiers) to Cagliari by sea?
The water route is 350 nm (649 km), computed on WXMarine's maritime routing network. The same distance applies on the return passage from Cagliari to Alger (Algiers).
How long does the passage from Alger (Algiers) to Cagliari take?
about 35 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 Alger (Algiers) and Cagliari today?
Along the route today, per the ECMWF IFS run 2026-08-03 12z: WSW wind 3–12 kn, waves 0.3–0.8 m. The day-by-day table on this page covers the next 10 days.