Can Beihai go to sea in March?

Beihai can go to sea in March. Beihai is located in Guangdong Province, China. According to historical meteorological data, the seawater temperature in the North Sea in March is usually between 18-22 degrees Celsius. However, due to the influence of climate change and weather conditions, the specific seawater temperature and sea conditions may be different. Usually, in Beihai, the weather is cool in March, with occasional showers and strong sea breeze.