Boulogne-sur-Mer marine weather forecast
Boulogne-sur-Mer (FRBOL) is a port in France at 50°43.0′N 1°37.0′E. Today (Sep 18): WSW wind 9–12 kn, waves 1.1–2.2 m, from the ECMWF IFS run 2026-09-18 12z. The live chart on this page shows current conditions and plans weather-optimized departures from this harbor.
Port facts (NGA World Port Index)| Position | 50°43.0′N 1°37.0′E |
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| UN/LOCODE | FRBOL |
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| Harbor size | Medium |
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| Harbor type | River tide-gate harbor |
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| Shelter | Good |
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| Channel depth | 5 m |
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| Anchorage depth | 14 m |
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| Tide range | 8 m |
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| Pilotage | Compulsory |
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| Time zone | Europe/Paris |
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Facilities & services (NGA World Port Index)| Tugs | Assistance available |
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| Supplies | Fuel oil, diesel, water |
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| Repairs | Limited |
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| Medical facilities | Available |
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10-day marine forecast — Boulogne-sur-Mer
| Date | Wind | Gusts | Waves |
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| WSW 9–12 kn | 24 kn | 1.1–2.2 m |
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| SW 10–14 kn | 27 kn | 1.8–2.2 m |
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| W 4–10 kn | 20 kn | 0.8–1.8 m |
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| ENE 2–3 kn | 7 kn | 0.4–0.6 m |
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| ENE 3–6 kn | 7 kn | 0.3–0.3 m |
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| SE 4–7 kn | 8 kn | 0.4–0.4 m |
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| NNE 1–4 kn | 5 kn | 0.7–0.7 m |
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| WSW 3–3 kn | 10 kn | 0.3–0.3 m |
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| SSE 5–5 kn | 12 kn | 0.4–0.4 m |
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| S 4–4 kn | 10 kn | 0.4–0.4 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.
What to watch in the forecast
Across the loaded 10-day outlook, the strongest daily modeled wind reaches 14 kn on Sep 19. The highest modeled significant wave height is 2.2 m on Sep 18. Compare the dated model run with official forecasts and warnings before departure.
Frequently asked
How is the weather at Boulogne-sur-Mer right now?
As of the ECMWF IFS run 2026-09-18 12z: WSW wind 9–12 kn, waves 1.1–2.2 m. The 10-day outlook is in the forecast table on this page and updates with each model cycle.
How big is the harbor at Boulogne-sur-Mer?
Boulogne-sur-Mer is classed as a medium harbor (river tide-gate harbor), with good shelter in the NGA World Port Index.
How deep is the approach to Boulogne-sur-Mer?
Per the NGA World Port Index, the entrance channel carries about 5 m and anchorage depths run about 14 m. Verify against current official charts before entry.
What restricts entry to Boulogne-sur-Mer?
Entry is affected by overhead clearance limits. Check the live forecast on this page and official notices before approach.