Learn About Ocean Tides, Tidepools & Tide Prediction
Visit a website that generates plots water level data to better understand tide types. Use the Internet to predict the times and heights of tides.
Background on Ocean Tides & a Tad about Tidepools
Water Levels Along U.S. Coasts & "Tide Types"
Predict Tides at Your Favorite Coastal Spot
Discover how much Earth's ocean tides are "tugged" by the moon and Sun
Find out why not all coasts are "hosts" to tidepools
Investigate the types of tides that occur along your favorite "stretch" of coast
Research whether all three "tide types" can be found along U.S. coasts: diurnal, semi-diurnal, & mixed
Learn about tidal ranges, including one "extreme" example
Discover the definition of "datum"
Become comfortable reading tide prediction tables
Research how to find high and low tidal ranges
Using the Internet to correlate tidal ranges with lunar phase
Are "spring tide" and "neap tide" really tied to the moon?
Consider the importance of being able to accurately predict tides
center of mass
Our Restless Tides: A Brief Explanation of the Basic Astronomical Factors Which Produce Tides and Tidal Currents
Oceanographic Products and Services Division website
Location Map for U.S. Water Level Measuring Stations
"Make a Tide Prediction"
U.S. Naval Office's "Virtual Reality Moon Phase Pictures"
Mapping The Depth & Population Of A Tidepool
Harvesting Energy From Tides
Timing The Tides
Gravitational pull on Earth: Sun & Moon on same side
Gravitational pull on Earth: Sun & Moon on opposite sides
Gravitational pull on Earth: Sun & Moon at right angles to each together
View of tidepools
Life in a tidepool
Example of a rocky coast (West Quoddy Head)
Example of a tidal flat (Casco Bay)
State of Maine example from the "U.S. Northeast Coast Measuring Stations" webpage
Example: "Yesterday's Water Levels" plot for Eastport, Maine
Location map for the Eastport station
Water levels associated with three common tide types