Wiktionary
a. (context geography English) In the middle of a channel.
Usage examples of "midchannel".
The boat was already pulling out of midchannel toward an excitedly waving group of people lining a beach of gray sand when a gasp caused the older brother to look around.
Bearing down on them in ominous splendor, following the deep midchannel, was a large, jagged, glittering iceberg.
The sandbar where they stood had once been in midchannel, but the channel had shifted.
Once, both swung abruptly out into midchannel at the sight of a longboat, but closer scrutiny showed it to be empty even of oars and they at length decided that it was just one of the ones left moored to posts at the island that had finally broken loose and been carried away by the current.
He was of a size that caused the crowd on the sidewalk to part around him like a stream around a big midchannel rock.
Hatch checked the binnacle and turned his gaze seaward, toward the two light buoys midchannel and the peppercan bell buoy at the mouth of the bay.