River Levels
River Levels

River Mersey at Westy

Current River Level


At 9:45am, Sunday 28th May BST
(8:45am, Sunday 28th May GMT)

Below normal for this location

Steady, no change from previous measurement at 9:30am, Sunday 28th May BST

Latest Flow

16.40 m3/s

(Daily Average)

Recorded on Friday 26th May

Normal flow volume

Decrease, -0.90 from previous recording on Thursday 25th May

Flood Warning Areas Covering Here

River Mersey from Runcorn to Woolston

No current or recent warnings.

Lower River Mersey including Warrington, Runcorn and Lymm areas

No current or recent warnings.

Other Nearby Flood Warning Areas

Mersey Estuary at Westy, Warrington

No current or recent warnings.

Mersey Estuary at Kingsway North, Warrington

No current or recent warnings.

Mersey Estuary at Victoria Park, Knutsford Road, Warrington

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: Westy
  • Watercourse: Mersey
  • Nearest Town/Village: Westy
  • Local Authority: Warrington
  • Ceremonial County: Cheshire
  • Coordinates: 53°23'26"N 2°33'37"W (53.390658,-2.560365)
  • OS Grid: SJ628883 (362830,388350)
  • Mapcode (Local): GBR BYK7.H8
  • Mapcode (Global): WH98R.M1ZG
  • Open Location Code: 9C5V9CRQ+7V
  • Maidenhead Locator System: IO83rj23
  • Environment Agency Location ID: 693976
  • Environment Agency Gauge ID: 693976-level-stage-i-15_min-m
  • Operational Area: Glaze
  • Catchment Area: Lower Mersey
  • UK Hydrometric Area: Mersey and Irwell
  • Environment Agency Region: North West

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 River Mersey at Westy is between 3.55m and 4.14m. It has been between these levels for 90% of the time since monitoring began.

The typical recent level of the River Mersey at Westy over the past 12 months has been between 0.60m and 12.95m. It has been between these levels for at least 150 days in the past year.

The highest level ever recorded at the River Mersey at Westy is 5.54m, reached on Tuesday 27th February 1990 at 4:45am.

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

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