Contact us | National Tidal and Sea Level Facility National Tidal and Sea Level Facility Tides Storm surges Products About About tides Tides – questions and answers Sea level – questions and answers The Doodson-Légé Tide Predicting Machine Tide clocks and watches Tidal river bores The River Dee / Afon Dyfrdwy The River Mersey UK National Tide Gauge Network Data availability Tidal predictions – UK and Ireland UK South Atlantic Network Gibraltar sea level station Tidal predictions – South Atlantic Tide gauge instruments Definitions of tidal levels Chart datum and ordnance datum Permanent Service for Mean Sea Level (PSMSL) (external link) Engineers’ page Proudman Building, Liverpool weather station About storm surges Tide-surge model Surge model forecast Surge model archive Surge model archive: 2004–2019 Surge model ensemble forecasting Skew surges Skew surge history: England – south Skew surge history: England – east Skew surge history: England – west Skew surge history: Wales Skew surge history: Scotland Skew surge history: Northern Ireland Skew surge history: Isle of Man Skew surge history: Channel Islands Sea level trends Sea level trend charts Software Get in touch with us if you have any comments or queries about the National Tidal and Sea Level Facility. National Tidal and Sea Level Facility National Oceanography Centre Joseph Proudman Building 6 Brownlow Street Liverpool   L3 5DA   United Kingdom Tel +44(0) 151 795 4800 Fax +44(0) 151 795 4801 National sea level authorities Danish Meteorological Institute Dutch real-time data as graphs French hourly data from SONEL Irish Tide Gauge Network Other tidal and sea level research links The Hadley Centre University of Durham, Sea Level, Ice and Climate University of Nottingham, Institute of Engineering Surveying & Space Geodesy (IESSG) Centre for Environment & Aquaculture Science (CEFAS) – wave monitoring Intergovernmental panel on climate change (IPCC) Sea level from space (PSMSL website) US National Oceanic and Atmospheric Administration Australian Institute of Marine Science Japan Agency for Marine Earth Science Fisheries and Oceans Canada Italian National Tide Gauge Network