It may be a bit early for Olcott. It is 16 miles from Olcott to the Bar. However the Lake Trout should be stacked between 4 mile and the bar with some kings possible mixed in. 40-60ft of water is a good starting point. You may want to consider lauching at Fort Niagara on the Niagara river and saving the boat ride. Also a canadian lic this time of year may not be a bad thing, if its kings you are after. There are plenty of fish to be had between Olcott and the Bar however if you are not partial to just Kings. The BT fishing can be stellar out of Olcott during this time frame.
There is nothing that will tell you that you are in Canada other than a good GPS mapping system.
Good Luck to you!
Brian