Severe Typhoon Nalgae

Times and heights of the maximum sea level and the maximum deviation from astronomical tide at tide stations in Hong Kong during the passage of Nalgae																		

At Quarry Bay,  Maximum sea level (above chart datum) :3.25 m, (  1:39 am        3 Oct	);   Maximum deviation from astronomical tide*:	0.86 m, (  1:11 pm	3 Oct	)							
At Shek Pik,  Maximum sea level (above chart datum) :3.18 m, (  1:32 am	3 Oct	);   Maximum deviation from astronomical tide*:	0.80 m, (  2:30 pm	3 Oct	)							
At Tai Miu Wan,  Maximum sea level (above chart datum) :3.31 m, (  1:06 am	3 Oct	);   Maximum deviation from astronomical tide*:	0.96 m, (  1:10 am	3 Oct	)							
At Tai Po Kau,  Maximum sea level (above chart datum) :3.39 m, (  12:36 am	3 Oct	);   Maximum deviation from astronomical tide*:	1.04 m, (  12:36 am	3 Oct	)							
At Tsim Bei Tsui,  Maximum sea level (above chart datum) :3.36 m, (  3:09 am	3 Oct	);   Maximum deviation from astronomical tide*:	0.94 m, (  3:09 am	3 Oct	)							
At Waglan Island,  Maximum sea level (above chart datum) :3.30 m, (  1:05 am	3 Oct	);   Maximum deviation from astronomical tide*:	0.91 m, (  6:46 am	3 Oct	)	

*the deviations are due to the combined effect of storm surge and the northeast monsoon prevailing over the south China coast.