I bumped into a great historical article about the history of predicting tides and the role that tides played in the planning of D-Day. You can find The tide predictions for D-Day on the Physics Today website.

It is interesting on many levels; the history of tide predictions, the development of tide tables, the evolution of computers to predict tides and the historical view of how the tides are formed.

A LCVP (Landing Craft, Vehicle, Personnel) from the U.S. Coast Guard-manned USS Samuel Chase disembarks troops of Company E, 16th Infantry, 1st Infantry Division (the Big Red One) wading onto the Fox Green section of Omaha Beach (Calvados, Basse-Normandie, France) on the morning of June 6, 1944. American soldiers encountered the newly formed German 352nd Division when landing. During the initial landing two-thirds of Company E became casualties. Wikipedia.org

While reading the article, I was reminded of YouTuber The Engineer Guy’s 8 video set of a harmonic analyzer that is similar to the machined described in the Physics Today piece.