FloodRadar
Log inCreate free account
FloodRadar
Log inCreate free account
How much rain fell in West Mersea, Essex? Daily, weekly and monthly totals averaged over the Environment Agency rain gauges within 15km, updated every 15 minutes.
Next 24 hours: about 6.6mm of rain forecast for the area around West Mersea, heaviest in the hour to 20:00 (2.6mm).
A computer model forecast (DWD ICON) for a square about 15 km across, updated 17:05 UK time. It is a forecast, not a measurement, and not a Met Office forecast. Weather data by Open-Meteo (CC BY 4.0).
Daily totals for UK days from the same computer model; "dry" means under 0.2mm. Forecasts further ahead are less certain.
| Gauge | Distance | Yesterday | 7 days | October | Today |
|---|---|---|---|---|---|
| Rainfall gauge nr Colchester nr Colchester | 2.7km | 12.8mm | 27.8mm | 48.8mm | 7.4mm |
| Rainfall gauge nr Brightlingsea nr Brightlingsea | 6.9km | 11.6mm | 25.2mm | 44.8mm | 6.6mm |
| Rainfall gauge nr Maldon nr Maldon | 9.1km | 11.6mm | 26.8mm | 46.0mm | 6.8mm |
Daily totals 24 Sep–23 Oct. Wettest day: 11.1mm.
14 days with at least 0.2mm of rain so far this October at Rainfall gauge nr Colchester, against a full-month average of 16.0 rain days (based on 2 months of records at this gauge).
2026 so far: 355 mm (1 Jan to 23 Oct), against 422 mm by the same date in an average year (2001–2025) — 16% drier.
One bar per calendar year, the average of 5 local rain gauges: the Environment Agency's quality-checked daily archive, then live telemetry for the latest months. Wettest: 2012 (808 mm). Driest: 2003 (339 mm). Average: 542 mm a year.
Daily totals are the average of 5 local rain gauges, for UTC days; one gauge can catch much more than the average. A storm's figure adds up the rain measured on its dates, from our list of Met Office named storms and major floods — other weather on those days counts too.
West Mersea gets about 548 mm of rain a year on average (wettest month October, 59 mm; driest March, 33 mm). That is drier than the UK as a whole, which averages 1,163 mm a year.
Monthly averages in mm. Source: Met Office HadUK-Grid 1991–2020 (5 km grid), 0.2 km from the town's gauge centre. Average rainfall: HadUK-Grid v1.3.2, Met Office. Contains public sector information licensed under the Open Government Licence v3.0. UK comparison: Met Office HadUK-Grid areal series, 1991-2020, Open Government Licence v3.0.
Rain gauge River gauge Storm overflow
A level is shown only when the gauge's latest reading is under 6 hours old. Distances are straight-line from the centre of West Mersea's monitored area.
1 storm overflow within 5 km of the centre of West Mersea's monitored area. None of them has a live status we can show right now.
Event Duration Monitors show when an overflow may be spilling; they do not confirm it, and this is not advice on water quality. A live status older than two hours counts as no current status. Live status: © Anglian Water storm overflow activity data, licensed under CC BY 4.0. Annual spill figures: Environment Agency Event Duration Monitoring return, © Environment Agency copyright and/or database right, Open Government Licence (OGL) v3.0.
Town in Essex, England
West Mersea is a town and civil parish on Mersea Island in the City of Colchester district of Essex, England. It is one of two parishes on the island, the other being East Mersea. At the 2021 census the parish of West Mersea had a population of 7,221 and the built up area had a population of 7,065.
From Wikipedia, the free encyclopedia (CC BY-SA 4.0).
11.1mm of rain fell yesterday (23 Oct 2026), from the average of 5 rain gauges within 15km of West Mersea.
October so far: 46.3mm vs 64.9mm October average — 29% drier (the average covers the whole month; we are 24 days in). Figures are the average of 5 rain gauges within 15km.
Rainfall gauge nr Colchester is the nearest rain gauge, 2.7km from the centre of West Mersea's monitored area. Rain gauges can be several kilometres from the town itself, so very local downpours may not register exactly.
14 days with at least 0.2mm of rain so far this October at Rainfall gauge nr Colchester, against a full-month average of 16.0 rain days.
2012 was the wettest year in the record since 2001, with 808 mm from the average of 5 local rain gauges, against an average of 542 mm a year. The driest was 2003, with 339 mm.
24 Aug 2013: 50.3 mm on average across 5 local rain gauges, and up to 71.6 mm at one of them. Records since 2 Jul 2000.
Rainfall data: Environment Agency rain gauges, synced every 15 minutes. Daily totals are computed overnight (UTC days); "today so far" is live. Gauge distances are straight-line from the centre of West Mersea's monitored area — local rainfall can vary over short distances.
FloodRadar helper · beta
