Tidal predictions for UK & Irish ports

Tidal predictions for the next 28 days are available for UK & Irish ports. Predictions spanning one year for British overseas and independent territories, the South Atlantic and Gibraltar are also available.

Use the links below to view predictions at selected locations
HL – Click orange links below for high and low water predictions for the next 28 days
RT – Click red links below for places where high/low waters are not well defined – use predictions shown on real-time plots
XT – Click blue links below for highest and lowest predicted tides from 2008 to 2026
HC – Click purple links below for harmonic constants at each port (click here for tabulated list)

England – South

Avonmouth HL | XT | HC
Bournemouth RT | XT | HC
Dover HL | XT | HC
Hinkley Point HL | XT | HC
Ilfracombe HL | XT | HC
Newhaven HL | XT | HC
Newlyn HL | XT | HC
Plymouth (Devonport) HL | XT | HC
Portsmouth HL | XT | HC
St. Mary's (Isles of Scilly) HL | XT | HC
Southampton HL | HC
Weymouth HL | XT | HC

England – East

Cromer HL | XT | HC
Harwich HL | XT | HC
Immingham HL | XT | HC
Lowestoft HL | XT | HC
North Shields HL | XT | HC
Sheerness HL | XT | HC
Whitby HL | XT | HC

England – West

Blackpool HL
Formby HL
Heysham HL | XT | HC
Hilbre Island HL | HC
Liverpool HL | XT | HC
Southport HL
Workington HL | XT | HC

Isle of Man

Port Erin HL | XT | HC

Channel Islands

St. Helier (Jersey) HL | XT | HC

Scotland

Aberdeen HL | XT | HC
Kinlochbervie HL | XT | HC
Leith HL | XT | HC
Lerwick HL | XT | HC
Millport HL | XT | HC
Moray Firth HL | XT | HC
Port Ellen RT | XT | HC
Portpatrick HL | XT | HC
Stornoway HL | XT | HC
Tobermory HL | XT | HC
Ullapool HL | XT | HC
Wick HL | XT | HC

Wales

Barmouth HL | XT | HC
Fishguard HL | XT | HC
Holyhead HL | XT | HC
Llandudno HL | XT | HC
Milford Haven HL | XT | HC
Mumbles HL | XT | HC
Newport HL | XT | HC