Harwich marine weather forecast
Harwich (GBHRW) is a port in United Kingdom at 51°57.0′N 1°17.0′E. Today (Sep 16): WNW wind 5–14 kn, waves 0.8–1.1 m, from the ECMWF IFS run 2026-09-16 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 | 51°57.0′N 1°17.0′E |
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| UN/LOCODE | GBHRW |
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| Harbor size | Small |
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| Harbor type | River natural harbor |
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| Shelter | Fair |
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| Channel depth | 13 m |
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| Anchorage depth | 11 m |
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| Tide range | 3 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 | Limited |
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| Medical facilities | Available |
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10-day marine forecast — Harwich
| Date | Wind | Gusts | Waves |
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| WNW 5–14 kn | 17 kn | 0.8–1.1 m |
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| WSW 14–22 kn | 30 kn | 0.9–1.7 m |
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| WSW 15–20 kn | 25 kn | 1.1–1.3 m |
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| SW 19–23 kn | 31 kn | 1.6–1.8 m |
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| W 17–21 kn | 27 kn | 1.5–1.7 m |
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| WNW 10–17 kn | 21 kn | 1.3–1.4 m |
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| W 6–9 kn | 11 kn | 0.8–1.0 m |
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| ESE 9–9 kn | 13 kn | 0.6–0.6 m |
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| SSE 10–10 kn | 16 kn | 0.6–0.6 m |
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| SSE 12–12 kn | 17 kn | 0.6–0.6 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 23 kn on Sep 19. The highest modeled significant wave height is 1.8 m on Sep 19. Compare the dated model run with official forecasts and warnings before departure.
Frequently asked
How is the weather at Harwich right now?
As of the ECMWF IFS run 2026-09-16 12z: WNW wind 5–14 kn, waves 0.8–1.1 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 Harwich?
Harwich is classed as a small harbor (river natural harbor), with fair shelter in the NGA World Port Index.
How deep is the approach to Harwich?
Per the NGA World Port Index, the entrance channel carries about 13 m and anchorage depths run about 11 m. Verify against current official charts before entry.
What restricts entry to Harwich?
Entry is affected by tidal windows. Check the live forecast on this page and official notices before approach.