River Levels
River Levels

River Rother at Princes Marsh

Current River Level


At 8:30am, Thursday 23rd March GMT

Within the usual range for this location

Steady, no change from previous measurement at 8:15am, Thursday 23rd March GMT

Latest Flow

0.91 m3/s

(Daily Average)

Recorded on Wednesday 22nd March

Normal flow volume

Increase, 0.25 from previous recording on Tuesday 21st March

Flood Warning Areas Covering Here

Liss to Sheet Mill on the Western Rother

No current or recent warnings.

Western Rother

No current or recent warnings.

Other Nearby Flood Warning Areas

Tilmore Brook through central Petersfield

No current or recent warnings.

Tilmore Brook Petersfield

No current or recent warnings.

Stanbridge Stream at South Petersfield

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: Princes Marsh
  • Watercourse: Rother (West Sussex)
  • Nearest Town/Village: Liss
  • Local Authority: East Hampshire
  • Ceremonial County: Hampshire
  • Coordinates: 51°2'14"N 0°53'59"W (51.037463,-0.89988)
  • OS Grid: SU772270 (477230,127032)
  • Mapcode (Local): GBR CBS.TKD
  • Mapcode (Global): FRA 960C.M8Q
  • Open Location Code: 9C3X24P2+X2
  • Maidenhead Locator System: IO91na28
  • Environment Agency Location ID: E10368
  • Environment Agency Gauge ID: E10368-level-stage-i-15_min-mASD
  • Operational Area: Western Rother
  • Catchment Area: Arun and Western Streams
  • UK Hydrometric Area: Sussex Rivers Group
  • Environment Agency Region: Southern
  • Datum Type: Above Stage Datum (ASD)
  • Stage Datum: 56.4m 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 Rother at Princes Marsh is between 0.08m and 0.90m. It has been between these levels for 90% of the time since monitoring began.

The typical recent level of the River Rother at Princes Marsh over the past 12 months has been between 0.06m and 0.12m. It has been between these levels for at least 153 days in the past year.

The highest level ever recorded at the River Rother at Princes Marsh is 1.96m, reached on Tuesday 24th December 2013 at 5:00am.

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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