The National Marine Forecasting Agency issues a blue alert for waves.

date
11/05/2025
The National Oceanic Forecasting Center issued a blue wave warning on May 8th. Due to the influence of offshore cyclones, it is expected that from noon on May 8th to noon on May 9th, there will be large to giant waves of 2.5 to 4 meters in the southern Yellow Sea and the northern East China Sea. The nearshore waters of southern Jiangsu, Shanghai, and the northern Zhejiang will experience medium to large waves of 1.5 to 2.5 meters, with a blue wave warning level for nearshore waters. Vessels operating in the above-mentioned waters are advised to pay attention to safety, and relevant coastal units should take preventive measures against waves in advance.