>Mach
>
>The tides are created by the gravitational pull of the moon and to a lesser
>extent the sun. Spring tides are once a month and certain times of the
>year when the strong pull of the moon is combined with the weaker pull of
>the sun the spring tides are bigger than usual. The spring tides are
>usually a couple of days after the full moon. I think there are some very
>big tides somewhere around Canada and France.
Bay of Fundy, Nova Scotia/New Brunswick, Canada, has standard 30 meters!
plus tides.
<snip>
Mike Eckardt