Great Yarmouth marine weather forecast
Great Yarmouth (GBGTY) is a port in United Kingdom at 52°37.0′N 1°44.0′E. Today (Sep 18): WSW wind 16–22 kn, waves 1.1–1.5 m, from the ECMWF IFS run 2026-09-18 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 | 52°37.0′N 1°44.0′E |
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| UN/LOCODE | GBGTY |
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| Harbor size | Small |
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| Harbor type | River natural harbor |
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| Shelter | Excellent |
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| Channel depth | 3 m |
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| Anchorage depth | 9 m |
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| Tide range | 2 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, provisions |
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| Repairs | Limited |
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| Medical facilities | Available |
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10-day marine forecast — Great Yarmouth
| Date | Wind | Gusts | Waves |
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| WSW 16–22 kn | 29 kn | 1.1–1.5 m |
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| SW 20–22 kn | 31 kn | 1.6–1.9 m |
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| WNW 11–20 kn | 27 kn | 1.3–1.6 m |
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| W 8–12 kn | 18 kn | 0.9–1.1 m |
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| WSW 2–7 kn | 9 kn | 0.5–0.8 m |
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| SSE 9–15 kn | 19 kn | 0.5–0.7 m |
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| NW 19–19 kn | 24 kn | 1.0–1.0 m |
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| SSE 13–13 kn | 18 kn | 1.0–1.0 m |
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| WNW 16–16 kn | 36 kn | 1.3–1.3 m |
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| SE 14–14 kn | 18 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 22 kn on Sep 18. The highest modeled significant wave height is 1.9 m on Sep 19. Compare the dated model run with official forecasts and warnings before departure.
Frequently asked
How is the weather at Great Yarmouth right now?
As of the ECMWF IFS run 2026-09-18 00z: WSW wind 16–22 kn, waves 1.1–1.5 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 Great Yarmouth?
Great Yarmouth is classed as a small harbor (river natural harbor), with excellent shelter in the NGA World Port Index.
How deep is the approach to Great Yarmouth?
Per the NGA World Port Index, the entrance channel carries about 3 m and anchorage depths run about 9 m. Verify against current official charts before entry.
What restricts entry to Great Yarmouth?
Entry is affected by tidal windows, overhead clearance limits. Check the live forecast on this page and official notices before approach.