Core Viewpoint - The South China Sea tropical depression has intensified into the first typhoon of the year, named "Butterfly," with expectations of further strengthening [1] Weather Warnings - The Hainan Meteorological Bureau issued a level four typhoon warning on June 11, 2025, at 9:30 AM, indicating a high likelihood of landfall in the southeastern coastal areas of Hainan Island [1] - Heavy rainfall is expected across most of Hainan Island from June 11 to June 13, with risks of urban flooding, geological disasters, and small river floods [1] Wind and Wave Conditions - Coastal areas are forecasted to experience gusts of 8 to 11 levels [1] - The Hainan Marine Forecast Center issued a blue (level four) wave warning, predicting waves of 3.5 to 4.5 meters in the eastern and southern waters of Hainan Island, and 2.5 to 3.5 meters in other nearby areas [1] - Nearshore waters in Wenchang, Qionghai, Wanning, Lingshui Li Autonomous County, and Sanya are expected to see waves of 2 to 3 meters [1]