Champi became the strongest tropical cyclone of 2026 so far, with winds of about 296 km/h at its peak on 20 October. It passed south of Guam on 18 October, then east of Luzon and Batanes. On 23 and 24 October it brushed northeast Taiwan without making landfall, and Lanyu recorded a 10.6 m wave, a station record. In the model the waves near its centre reach almost 18 metres east of Luzon. It weakened over the East China Sea on its way to Kyushu.
Source: Model: E.U. Copernicus Marine Service, Global Ocean Waves Analysis and Forecast, significant wave height every 3 hours at 1/6°
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