River Levels
River Levels

Essex Coast at Colne Barrier

Latest Tidal Level

-0.460m

At 5:00pm, Tuesday 3rd December GMT

Within the usual range for this location

Steady, no change from previous measurement at 4:45pm, Tuesday 3rd December GMT


This is a tidal level, measured from mean sea level rather than from the river bed. It can, therefore, be negative, and does not give any indication of water depth. Tidal levels are not necessarily updated frequently, and may not reflect tidal movements throughout the day.

Flood Warning Areas Covering Here

The tidal River Colne upstream of the Colne Barrier

No current or recent warnings.

The Essex coast from Clacton to and including, St Peters Flat and the Colne and Blackwater estuaries

Recent warnings or alerts no longer in force

The tidal River Colne from Brightlingsea to Wivenhoe

No current or recent warnings.

Other Nearby Flood Warning Areas

The Essex coast at West Mersea, including The Strood and surrounding marshland

No current or recent warnings.

The Essex coast at East Mersea

No current or recent warnings.

Seven Day Level Chart

Long Term Level Chart

Darker blue shaded areas on long term data indicate maximum and minimum levels for the date (you may need to zoom in closer to see them).

Long term data may have gaps where the API data was not available.

Download long term data as csv

Note: CSV data will include any outlying values that have been ignored by our graphing system as probably erroneous (eg, because they are ridiculously high compared to the values either side of them). It is your responsibility to filter these out if necessary.

Important! If you are planning to retrieve the csv data automatically, you must read and understand the limitations on the data and its availability.

Location and Technical Data

  • Monitoring Station: Colne Barrier
  • Watercourse: Essex Coast
  • Nearest Town/Village: Wivenhoe
  • Local Authority: Colchester
  • Ceremonial County: Essex
  • Coordinates: 51°51'8"N 0°57'47"E (51.852475,0.963271)
  • OS Grid: TM 04187 21251 (604179,221250)
  • Mapcode (Local): GBR SNM.Y2T
  • Mapcode (Global): VHKG6.NP3R
  • Open Location Code: 9F32VX27+X8
  • Maidenhead Locator System: JO01lu54
  • Environment Agency Location ID: E24323
  • Environment Agency Gauge ID: E24323-level-tidal_level-i-15_min-mAOD
  • River Levels Online ID: 6003
  • Water Information System ID: TM372302
  • Operational Area: Essex TraC
  • Catchment Area: Anglian Transitional & Coastal
  • UK Hydrometric Area: Essex Rivers Group
  • Environment Agency Region: Anglian
  • Level Datum: Above Ordnance Datum (AOD)

Please note: Geographic coordinates may reflect the access point for the gauge, and not the precise location in the watercourse that it is taking readings from.

The usual range of the Essex Coast at Colne Barrier is between -0.63m and 3.02m. It has been between these levels for 90% of the time since monitoring began.

The typical recent level of the Essex Coast at Colne Barrier over the past 12 months has been between -0.61m and 3.38m. It has been between these levels for at least 150 days in the past year.

The highest level ever recorded at the Essex Coast at Colne Barrier is 4.00m, reached on Friday 6th December 2013 at 1:45am.

Note that this data may not take account of recent measurements, as we wait until a level has been verified by the Environment Agency before adding it to our records.

Nearby Monitoring Locations

Other monitoring locations on the Essex Coast

Essex Coast Map
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