There is a huge tidal range in the Severn estuary. At spring high tides the pier near us is covered, meaning that the fisherman usually on it have to cast from the sea wall. Later in the day we walked past the “Second Severn Crossing”, carrying the M4 motorway to Wales.

Portishead pier about an hour after high tide. The Second Severn Crossing (see below) is in the far distance.

The M4 crossing the Severn estuary, looking towards Wales.