Water displacement from ship causes mini tsunami in Canal.

UPDATE: -------------------------------- Since publication of this footage, shipping traffic has been slowed down and monitored by the US Coast Guard to ensure all vesels maintain compliance. This video was part of a series of videos studied and analyzed by the USCG to determine that the upriver vessels were traveling anywhere from 3 knots to 5 knots over the allowed 8 knot upriver limit (in this section) during the shipping season. Speed limits have now been enforced throughout the St Lawrence seaway, a