Here is an extended interview with dockmaster George Reeder.
The 63-year-old dived into the water at Watchet marina to drag out a buggy after it was blown in by a gust of wind.
Six-month-old Sam Cooper Stevens spent several minutes trapped under the water.
More top news
Police are trying to locate missing man, David Saunders. He has short white hair and a white beard.
It's dull and wet again out there this morning but it may just get a bit brighter later on this afternoon.
Cloudy and rainy to kick off this morning but it should dry out for some brighter breaks this afternoon.