1. TideCurves::tideObservation
    Sample file of high and low water times and heights
    csv| xlsx| json| ndjson| rda| rds
    data.frame|10267 x 3
  2. TideTables::observation
    Sample file of high and low water times and heights
    csv| xlsx| json| ndjson| rda| rds
    data.frame|26819 x 4