Southampton marine weather forecast
Southampton (GBSOU) is a port in United Kingdom at 50°54.0′N 1°24.0′W. Today (Nov 3): NE wind 23–25 kn, waves 1.9–2.1 m, from the ECMWF IFS run 2026-11-03 00z. 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°54.0′N 1°24.0′W |
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| UN/LOCODE | GBSOU |
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| Harbor size | Large |
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| Harbor type | River basin harbor |
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| Shelter | Excellent |
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| Channel depth | 13 m |
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| Anchorage depth | 22 m |
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| Tide range | 5 m |
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| Pilotage | Compulsory |
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| Time zone | Europe/London |
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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 | Major (hull, machinery, electrical) |
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| Medical facilities | Available |
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10-day marine forecast — Southampton
| Date | Wind | Gusts | Waves |
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| NE 23–25 kn | 35 kn | 1.9–2.1 m |
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| ENE 25–26 kn | 36 kn | 2.5–2.7 m |
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| E 20–22 kn | 29 kn | 1.6–2.3 m |
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| E 8–15 kn | 21 kn | 0.4–1.1 m |
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| NNE 5–8 kn | 10 kn | 0.3–0.3 m |
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| SW 3–7 kn | 9 kn | 0.2–0.3 m |
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| SE 11–11 kn | 14 kn | 1.9–1.9 m |
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| ESE 23–23 kn | 33 kn | 1.9–1.9 m |
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| SSW 13–13 kn | 18 kn | 1.6–1.6 m |
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| N 25–25 kn | 36 kn | 1.3–1.3 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.
What to watch in the forecast
Across the loaded 10-day outlook, the strongest daily modeled wind reaches 26 kn on Nov 4. The highest modeled significant wave height is 2.7 m on Nov 4. Compare the dated model run with official forecasts and warnings before departure.
Frequently asked
How is the weather at Southampton right now?
As of the ECMWF IFS run 2026-11-03 00z: NE wind 23–25 kn, waves 1.9–2.1 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 Southampton?
Southampton is classed as a large harbor (river basin harbor), with excellent shelter in the NGA World Port Index.
How deep is the approach to Southampton?
Per the NGA World Port Index, the entrance channel carries about 13 m and anchorage depths run about 22 m. Verify against current official charts before entry.