We're planning on going up the Hudson, across the Erie Canal to the Oswego Canal, across Lake Ontario, down the Saint Lawrence to Sorel, up the Richelieu River and Chambly Canal to Lake Champlain and down the Champlain Canal to the Hudson this summer in Morning Light.
Can we depend on being able to carry a 6' draft in the Richelieu River and Chambly Canal? The Canal web site says the limiting draft is 1.98m which is 6'6". And yes, 6' is her freshwater draft.
The canal's information site referred me to https://wla.iwls.azure.cloud.dfo-mpo.gc.ca/stations
for current depths. I don't understand the information there -- at Saint Jean sur Richelieu the current depth is 1.1m at a point in a marina where the chart shows 0.4m. does this mean that the water level is 0.7m above the chart datum?