13: 48 to 20: 52. According to the local treasure of Yingkou City, the tidal table of Bayuquan on July 28, 2023 shows that the high tide time is from 07: 03 to13: 48, and the low tide time is from13: 48 to 20: 52, which is suitable for catching the sea. According to the law of the ebb and flow of tides, people who live by the seashore catch the opportunity of ebb and flow to salvage or collect seafood on the beaches and reefs along the coast, which is called catching the sea. Therefore, on July 28th, Bayuquan went to sea13: 48 to 20: 52.