Merrymeeting Bay USGS ADCP Profiles April 24, 2008 The Chops Reference River Flow: USGS Station Kennebec River: N. Sidney  38,000 cfs. Time: 1217-1221 Low Tide at Chops: 10:25 High Tide: 16:40 Incoming tide, but flow still going out. Location: The Chops-Transect Width: 757 feet-Average Velocity: 0.98 feet/second Notes: Taken across the Chops