River Levels
River Levels

River Ems at Westbourne

Current River Level


At 8:30am, Tuesday 18th June BST
(7:30am, Tuesday 18th June GMT)

Within the usual range for this location

Steady, no change from previous measurement at 8:15am, Tuesday 18th June BST

Latest Flow

0.83 m3/s

(Daily Average)

Recorded on Saturday 15th June

Normal flow volume

Decrease, -0.02 from previous recording on Friday 14th June

Flood Warning Areas Covering Here

Westbourne, Lumley and Emsworth on the River Ems

No current or recent warnings.

Lower River Ems

No current or recent warnings.

Other Nearby Flood Warning Areas

Bridge Road, Emsworth

No current or recent warnings.

West Brook at Emsworth

No current or recent warnings.

Lavant Stream at Havant

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: Westbourne
  • Watercourse: River Ems
  • Nearest Town/Village: Westbourne
  • Local Authority: Havant
  • Ceremonial County: Hampshire
  • Coordinates: 50°51'39"N 0°55'43"W (50.861097,-0.928616)
  • OS Grid: SU755073 (475500,107390)
  • Mapcode (Local): GBR CDW.S25
  • Mapcode (Global): FRA 86YT.N17
  • Open Location Code: 9C2XV36C+CH
  • Maidenhead Locator System: IO90mu86
  • Environment Agency Location ID: E10824
  • Environment Agency Gauge ID: E10824-level-stage-i-15_min-mASD
  • River Levels Online ID: 1155
  • Water Information System ID: 255110010
  • Operational Area: Western Streams
  • Catchment Area: Arun and Western Streams
  • UK Hydrometric Area: Sussex Rivers Group
  • Environment Agency Region: Southern
  • Datum Type: Above Stage Datum (ASD)
  • Stage Datum: 9.61m 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 River Ems at Westbourne is between 0.06m and 0.80m. It has been between these levels for 90% of the time since monitoring began.

The typical recent level of the River Ems at Westbourne over the past 12 months has been between 0.09m and 0.80m. It has been between these levels for at least 150 days in the past year.

The highest level ever recorded at the River Ems at Westbourne is 1.04m, reached on Tuesday 24th December 2013 at 3:15am.

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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