Water conditions for swimmers, dippers & paddlers
Llanishen conditions
Reservoir · Cardiff · open water conditions information
View live conditions for Llanishen →Llanishen is a reservoir in Cardiff, one of 2 Cardiff inland waters covered by NippyIndex.
As an inland water it is not tidal, so NippyIndex shows weather and surface conditions for it rather than a sea-state reading.
The information shown is drawn from published weather data and a seasonal surface-temperature model for UK inland waters.
Closing down - 40% off everything. Our sister shop NippyDips is closing, discounts on all remaining stock.