Follow this link to skip to the main content
Hurricanes: Science and Society
Map showing where different tidal cycles occur.
Tidal cycles map
This map shows the geographic distribution of different tidal cycles along the Earth's coastlines. Regions experiencing diurnal tides are marked in yellow, regions experiencing semidiurnal tides are drawn in red and regions with mixed semidiurnal tides are outlined in blue.
NOAA Ocean Service Education