Skip Content

Tropical Storm Son-Tinh (1809)

Times and heights of the maximum sea level and the maximum storm surge recorded at tide stations in Hong Kong during the passage of Son-Tinh

First passage (17 – 18 July)

At Quarry Bay , Maximum sea level (above chart datum) : 2.53 m, ( 12:45 PM 17-Jul ) ; Maximum storm surge (above astronomical tide): 0.53 m, ( 2:38 AM 18-Jul ) :

At Shek Pik , Maximum sea level (above chart datum) : 2.59 m, ( 12:45 PM 17-Jul ) ; Maximum storm surge (above astronomical tide): 0.64 m, ( 1:22 AM 18-Jul ) :

At Tai Miu Wan , Maximum sea level (above chart datum) : 2.47 m, ( 12:27 PM 17-Jul ) ; Maximum storm surge (above astronomical tide): 0.57 m, ( 2:15 AM 18-Jul ) :

At Tai Po Kau , Maximum sea level (above chart datum) : 2.58 m, ( 1:37 PM 17-Jul ) ; Maximum storm surge (above astronomical tide): 0.58 m, ( 2:38 AM 18-Jul ) :

At Tsim Bei Tsui , Maximum sea level (above chart datum) : 2.94 m, ( 12:40 PM 17-Jul ) ; Maximum storm surge (above astronomical tide): 0.64 m, ( 2:04 AM 18-Jul ) :

At Waglan Island , Maximum sea level (above chart datum) : 2.54 m, ( 12:35 PM 17-Jul ) ; Maximum storm surge (above astronomical tide): 0.49 m, ( 1:59 AM 18-Jul ) :

Second passage (23 – 24 July)

At Quarry Bay , Maximum sea level (above chart datum) : 2.13 m, ( 6:33 AM 24-Jul ) ; Maximum storm surge (above astronomical tide): 0.18 m, ( 3:01 PM 23-Jul ) :

At Shek Pik , Maximum sea level (above chart datum) : 2.24 m, ( 6:04 AM 24-Jul ) ; Maximum storm surge (above astronomical tide): 0.23 m, ( 6:24 PM 23-Jul ) :

At Tai Miu Wan , Maximum sea level (above chart datum) : 2.06 m, ( 5:44 AM 24-Jul ) ; Maximum storm surge (above astronomical tide): 0.21 m, ( 3:01 PM 23-Jul ) :

At Tai Po Kau , Maximum sea level (above chart datum) : 2.04 m, ( 7:50 AM 24-Jul ) ; Maximum storm surge (above astronomical tide): 0.22 m, ( 3:49 PM 23-Jul ) :

At Tsim Bei Tsui , Maximum sea level (above chart datum) : 2.61 m, ( 7:06 AM 24-Jul ) ; Maximum storm surge (above astronomical tide): 0.26 m, ( 7:03 AM 24-Jul ) :

At Waglan Island , Maximum sea level (above chart datum) : 2.14 m, ( 6:03 AM 24-Jul ) ; Maximum storm surge (above astronomical tide): 0.14 m, ( 3:08 PM 23-Jul ) :