Current level recorded at
7:15pm, Wednesday 28th September BST
(6:15pm, Wednesday 28th September GMT)
Change from previous measurement: 0.106m
(recorded at 7:00pm, Wednesday 28th September BST)
The usual range of the Holyhead Monitoring Station is between 0.45m and 6.08m. It has been between these levels for 90% of the time since monitoring began.
The typical recent level of the Holyhead Monitoring Station over the past 12 months has been between -0.88m and 6.13m. It has been between these levels for at least 150 days in the past year.
There are no flood warning locations near this monitoring station.
Long term graphs will work better if you rotate your fondleslab into landscape mode.
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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