HomeEducationTides and Water Levels

# Tides Roadmap to Resources

These online resources are meant to guide students and educators to  topics presented in the online tides and water levels tutorial. The  following links will take you to specific Web pages created and managed  by NOAA’s Center for Operational Oceanographic Products and Services (CO-OPS). CO-OPS predicts, records and distributes oceanographic and  meteorological data from thousands of monitoring stations in U.S.  coastal and territorial waters.

Please note: The Web links provided have been checked at the time of  this page's publication, but the linking sites may become outdated or  non-operational over time. If you should come across a non operational  link please contact NOAA Ocean Service Education at oceanserviceseducation@noaa.gov

https://tidesandcurrents.noaa.gov/restles1.html"Our Restless Tides" provides comprehensive information about the  astronomical and physical forces that cause and affect the world's  tides. Detailed diagrams and mathematical formulae illustrating the  forces acting on the world's oceans are presented.

https://tidesandcurrents.noaa.gov/publications/glossary2.pdf (28 pages, pdf, 600Kb)The "Glossary of Tide and Current Terminology" is and indispensable  reference tool lists and defines more than 400 terms and concepts  concerned with the tidal phenomena and its measurement. 

https://tidesandcurrents.noaa.gov/ports.htmlThe "Physical Oceanographic Real Time System" (PORTS®) website  provides real-time oceanographic and meteorological data for 15 major  U.S. harbors. After selecting a particular harbor, you can view the  types and geographic placement of different sensors in that area by  clicking on the sensor locations highlighted on the area maps. To zoom  in on a particular area where an instrument is stationed, click on the  "plus" symbol in the upper left hand side of the image. You can  reorient the image by "dragging" it with your mouse or using the arrow  buttons on the upper left hand side of the image. To view specific data  for a particular sensor in graphic format click on the image of data  graph you wish to view. To view the data in ASCII, or text format,  scroll down the page of the graphic presentation and click on the link  to the data set you want to see. 

https://tidesandcurrents.noaa.gov/restles1.htmlThis website provides you with tidal predictions computed by CO-OPS  for more than 3000 tidal current stations. Click on the year for which  you want tidal prediction data. This opens a new page with a list of  states and other areas for which there are tide stations on the left  side of the page. Clicking on a state name displays a list of regions  within that state. Clicking on a region name will present a list of the  tidal current stations in the area. These stations are listed  geographically. This will make finding the location you are interested  in, or a nearby station, simpler.

Unlike tide stations, which are normally located along the shoreline,  most tidal current stations are located offshore in channels, rivers,  and bays. These stations are often named for the channel, river, or bay  in which they are located or for a nearby navigational reference point.  A map or some personal knowledge of the area may help you identify  stations.

To access tidal current data from 2004 through 2006 go to: https://tidesandcurrents.noaa.gov/products.html On the left hand side of the page look beneath "Predictions" and then  beneath "Published Current Tables" click the year for which you wish to  view tidal current data.

To access tidal data from 2004 through 2006 point go to: https://tidesandcurrents.noaa.gov/products.html On the left hand side of the page look beneath "Predictions" and then  beneath "Published Tide Tables" click the year that you wish to view  tidal current data for. 

https://tidesandcurrents.noaa.gov/publications/Understanding_Tides_by_Steacy_finalFINAL11_30.pdf (83 pp, 1.9M)"Understanding Tides" is a technical publication authored by Stacy Dopp  Hicks, provides in-depth explanations of many aspects of tides,  including Gravitational Attraction, Sun-Earth and Moon-Earth Systems,  Spring and Neap Tides, Tide-Generating Forces, Tidal Waves in Gulfs and  Estuaries, Tidal Bores, and Tidal Harmonic Constituents.

### Tides and Water Levels

              - Welcome
              - What are Tides?
              - What Causes Tides?
              - Gravity, Inertia, and Bulges
              - Changing Angles and Tides
              - The Frequency of Tides
              - Tidal Variations
              - Types and Causes of Tidal Cycles
              - What Else Affects Tides?
              - Monitoring the Tides
              - Old System
              - New System
              - References
              - Roadmap to Resources 
              - Subject Review

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