"Tim" wrote in message
...
On Apr 14, 6:33 pm, Gene Kearns
I wear a tide watch.... I know how important that can be.
A "Tide" Watch?
is there really such a thing?
Sure is... and very handy on the East Coast with our semidiurnal tides.
Not sure if they work as well on the Pacific coast. (diurnal tides??)
http://www.oberlin.edu/faculty/swojt...t16/sld011.htm