北方多地发布大风预警信息，部分水域禁航

Group 1 - The northern regions of China have issued wind warning alerts due to strong winds, with Tianjin Port experiencing a wind force of level 7, prompting the Tianjin Maritime Bureau to initiate a level III maritime risk warning and implement traffic control measures [1] - In Liaoning, extreme weather conditions have led to the activation of a level IV emergency response, with transportation restrictions on the Xicheng Juehua Island route and temporary arrangements for two ferry trips to transport essential goods [1] - Shandong Province has imposed a complete navigation ban in the waters of Yantai, Weihai, Weifang, Dongying, and Binzhou, with all fishing vessels required to return to port to avoid the storm [3] Group 2 - The Hebei Maritime Department has activated a level III emergency response to the strong winds, increasing electronic patrols and urging vessels in port to implement risk assessments and wind resistance measures [3]