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Abstract. On 23 August 2017 a Category 3 hurricane, Typhoon Hato, struck southern China.
Among the hardest hit cities, Macau experienced the worst flooding since
1925. In this paper, we present a high-resolution survey map recording
inundation depths and distances at 278 sites in Macau. We show that one-half
of the Macau Peninsula was inundated, with the extent largely confined by the
hilly topography. The Inner Harbor area suffered the most, with a maximum
inundation depth of 3.1 m at the coast. Using a combination of numerical
models, we simulate and reproduce this typhoon and storm surge event. We
further investigate the effects of tidal level and sea level rise on coastal
inundations in Macau during the landfall of a "Hato-like" event.