text: how deep is the river thames???!i!i!? how deep is the river thames at:  - high tide in the middle of the river.  - low tide in the middle of the river  - high tide near the banks of the river  - low tide near the banks of the river. ______________________________  please note this river is in london, uk try this link... http://www.the-river-thames.co.uk/faq.htm#two  that seems to explain everything you'd ever need to know :-)