Tawe at Ynystanglws


Current River Level: 0.845m, rising

Within the usual range for this location

Current level recorded at 9:00pm, Tuesday 15th October BST
(8:00pm, Tuesday 15th October GMT)

Change from previous measurement: 0.004m
(recorded at 7:00pm, Tuesday 15th October BST)

The normal level of the Tawe at Ynystanglws in average weather conditions is between 0.26m and 2.61m. It has been between these levels for at least 150 days in the past year.

The usual range of the Tawe at Ynystanglws in more extreme weather conditions is between 0.34m and 2.15m. It has been between these levels for 90% of the time since monitoring began.

The most recent high is 3.47m, reached on Wednesday 18th December 2013 at 10:00pm.

The highest level ever recorded at the Tawe at Ynystanglws is 4.25m, reached on Friday 23rd October 1998 at 2:30am.

  • Monitoring Station: Ynystanglws
  • Natural Resources Wales Location ID: 4134
  • Natural Resources Wales Gauge ID: 4134
  • Watercourse: Tawe
  • Operational Area: Tawe
  • Catchment Area: Tawe to Cadoxton
  • UK Hydrometric Area: Loughor Group
  • Nearest Town/Village: Birchgrove
  • Local Authority: Swansea
  • Ceremonial County: West Glamorgan

Nearby Monitoring Locations

Nearby Flood Warning Locations

Clydach, Glais and Ynystawe
River Tawe at Clydach, Glais and Ynystawe

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River Tawe at Pontardawe

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Neath and Aberdulais
River Neath at Neath and Aberdulais

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Swansea Tidal
Tidal area at Swansea

No current or recent warnings.

Long term graphs will work better if you rotate your fondleslab into landscape mode.

Past Week

Long Term

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.

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