On Mon, 19 Jan 2004 12:54:04 -0500, Harry Krause
wrote:

Wouldn't there be some tidal forces in play on Lake Ontario?

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Yes but they are very small compared to the effects of wind and
barometric pressure. I spent a lot of time on Lake O as a kid and
have seen the water level rise over a foot in less than 30 minutes, as
a frontal system comes in from the west.