The tide is high (London residency day 8)

We go in and out of classrooms all day, every day, and along the way have watched the Thames' noticable tides. We're just a couple days past the New Moon, meaning it's spring tide. Today the BBC weather centre predicted a 7-meter (22-foot) spread at London Bridge, just upriver from our hotel.

Here's low tide, around 10 this morning, from the hotel:

Now high tide, about 4 this afternoon:

Here are side-by-side comparisons of Butler's Wharf:

This happens because this far downriver the Thames is actually an estuary all the way to Teddington Lock, well past London.

One notices these things when one has a break in a 4-hour financial accounting class.