Scott Vernon wrote:
"Nav" wrote in message
...

Bowditch? How about Google?


Did you find anything?



This is basic seamanship on tides. The most likely time of max

stream is

when tide height changes most rapidly.



Well, duh! but when is the fastest heighth change?


It depends on the type of tide. Many tides do not have simple sine wave
forms. Dougs 7/12ths was his typical BS. But one can make the generality
that in the open sea and at the end of estuaries it is most likely to be
at half tide -OK?

Cheers