[3] Ewiniar turned to the northwest and reached its peak intensity of 130 knots (240 km/h or 150 mph) on the U.S. method of measuring windspeeds by one-minute averages, or 100 knots (185 km/h or 115 mph) on the international method of measuring windspeeds by ten-minute averages, and its minimum pressure of 930 hPa (mbar).

As Ewiniar started to threaten the coast of China, the government in Beijing ordered emergency evacuations for all villagers in low-lying areas.

The municipal flood control headquarters in Shanghai also asked officials to prepare for the approaching typhoon, which was forecast to begin affecting the city on July 9.

[6] As Ewiniar started to approach the Ryūkyū Islands, Sasebo Naval Base in Kyūshū announced a Tropical Cyclone Condition of Readiness 3 at 4 p.m. local time on July 7, while a day earlier, on July 6, USS Harpers Ferry had unanchored from the harbour for an area of safer weather conditions.

[7] Tropical Cyclone Condition of Readiness 1E, which means that all outdoor activities are prohibited as there are sustained winds of at least 50 knots (93 km/h; 58 mph) in force, was declared early on the morning of July 9.

[8] As Ewiniar cleared the Ryūkyū Islands and began to threaten the Korean Peninsula, the Korea Meteorological Administration issued typhoon warnings for most of the country.

[10] Ewiniar affected many areas due to its track and relatively long life, killing at least 40 people along the way and leaving much damage in its path.

Early in its life as a tropical cyclone, Ewiniar affected Yap and Palau, which fall under the warning jurisdiction of the National Weather Service office in Tiyan, Guam.

Flights and ferries out of Okinawa to neighbouring islands were cancelled, and as many as 3,500 tourists were left stranded at various airports because most hotels were already near full capacity.

Seven people were injured in Nanjo from a fallen signboard, while an elderly woman in Nago City and a young girl in Yaese suffered wind-related injuries.

Typhoon Ewiniar caused a reported ¥20 million ($173,000) worth of sugar cane and vegetable damage, and farmers experienced profit losses when ripe fruits were unable to be shipped to Asian markets.

150 km2 (58 sq mi) of farmland was reported to have been flooded across the nation,[16] while most domestic ferry and air travel was disrupted or cancelled.