Datums

• Good overview by COMET

• Overview by NOAA

• Geoid definition

• Orthometric heights

• Tide datums

• Future changes to horizontal and vertical datums (optional material, not required)

Tides​

• Basic diagram, tidal forces of moon on earth

• Technical overview on tides
• The "King's  tide" - this refers to any abnormally high tide, but is most closely associated with the perigean spring tide 

Tide prediction tools

• NOAA tide charts

• Water level forecasts including atmospheric effects --- the Operational Nowcast and Forecast Hydrodynamic Model System (OFS)
• Global tide predictions (courtesy University of South Carolina)
• Tide predictions from tideschart.com
• Perigean "spring tide" dates
• Xtide (for installation in a Linux environment, US tides only)

Sea level rise

• Basic overview

• NOAA sea level rise website
• COMET material on sea level rise

Video lectures on datums, tides, tide prediction, and sea level rise. Audio only .