xtide(1) on Linux
The text 9ad5a45a8796, as Debian 7 (Wheezy) shipped it.
Harmonic tide clock and tide predictor (interactive client)
Flags it lists
-
-Dc -
-Mc -
-aa -
-bc -
-bg -
-cb -
-cc -
-ch -
-cw -
-dc -
-df -
-ec -
-el -
-em -
-fc -
-fe -
-fg -
-fn -
-ga -
-geometry -
-gh -
-gl -
-gt -
-gw -
-hf -
-in -
-lw -
-m -
-mc -
-ml -
-nc -
-nf -
-tc -
-tf -
-tl -
-u -
-v -
-z