Tide Heights R package rtide version 0.0.12 Calculates tide heights based on tide station harmonics. It includes the harmonics data for 637 US stations. The harmonics data was converted from <https://github.com/poissonconsulting/rtide/blob/main/data-raw/harmonics-dwf-20151227-free.tar.bz2>, NOAA web site data processed by David Flater for 'XTide'. The code to calculate tide heights from the harmonics is based on 'XTide'. Software Depends: R (>= 4.0) Imports: abind, chk (>= 0.10.0), dttr2, tibble, utils Suggests: covr, ggplot2, scales, spelling, testthat (>= 3.0.0) Luke Miller <contact@lukemiller.org> Comprehensive R Archive Network (CRAN) Joe Thorley [aut] (ORCID: <https://orcid.org/0000-0002-7683-4592>), Luke Miller [aut, cre], Abram Fleishman [aut], Poisson Consulting [cph] GPL-3 2026-07-25 application/tgz https://CRAN.R-project.org/package=rtide doi:10.32614/CRAN.package.rtide en-US