There is a wealth of information about tides available from websites, almanacs and tidal prediction software for just about anywhere in the world that you want to go.  The following links are to online sources of tidal data, including predictions of tidal heights and tidal streams as well as useful Tide Apps.  See also our Cruising Guides for links to local tidal information.

Online Sources of Tidal Information

Admiralty Easy Tide
Tidal data for over 7,000 ports worldwide with predictions for the forthcoming week available free of charge

Neptune Navigation Software
Downloads for tidal predictions and tidal streams for UK and Europe as well as other navigation software

NOAA Tides and Currents
US tidal predictions plus Caribbean and Pacific Islands and Panama Canal for around 3,000 locations

Proudman Oceanographic Laboratory
Tidal predictions for UK and Irish locations for the next 28 days online as well as predictions for British Overseas Territories for the year.  Also 'POLTIPS.3' software giving tidal predictions and tidal curves for around 700 locations around the UK with 3 and 5 year licenses available.

SHOM (Service Hydrographique et Oceanographique de la Marine)
Free web based tidal predictions for ports worldwide

Smartcom Software
Downloadable 'Tide Wizard' software, using licensed data, gives tidal predictions and tidal curves for British Isles, Europe, North America, Australasia and Worldwide

Useful Tide Apps


Quick Links

Marine Directory Index

Recommended Books

Reeds Nautical Almanac 2014
Indispensable for anyone going to sea and widely considered to be the 'bible' of almanacs.  Includes tide tables and streams, harbour facilities, chartlets and a wealth of other useful information.  This 2014 edition comes with a FREE downloadable desktop version.