These predictions are produced by POLTIPS·3, the National Oceanography Centre's Tidal Information and Prediction System. This software is commercially available.
Please remember that the height of the tides can vary from that predicted depending on the prevailing weather conditions.
Datum of predictions = Chart Datum: 4.93 metres below Ordnance Datum (Newlyn)
Time Zone: GMT – add one hour during British Summer Time; GMT/BST – already adjusted for local time
Hilbre Island safe crossing times
This information is given in good faith and is believed to be correct, but no responsibility can be accepted by the Natural Environment Research Council for any consequential loss or damage arising from any use made of it.