WWHK82 VHHH 161200 40:1:31:11:01:00 HONG KONG METEOROLOGICAL SERVICE PROVIDES THE FOLLOWING WARNING/INFORMATION FOR THE SOUTH CHINA SEA. WARNINGS NIL. SYNOPSIS (161200UTC) AND 24-HOUR FORECAST UNSETTLED WEATHER IS AFFECTING GULF OF TONKIN. SIGNIFICANT SWELL/HIGH SEAS NIL. THUNDERSTORMS/SEVERE WEATHER OCCASIONAL HEAVY SQUALLY (SQ) SHOWERS (SH) AND THUNDERSTORMS (TS) OVER GULF OF TONKIN. SCATTERED SQ SH AND TS OVER SEAS NEAR SOUTHERN PART OF THE PHILIPPINES AND SOUTHERN PART OF THE SOUTH CHINA SEA. ISOLATED SQ SH AND TS OVER LUZON STRAIT, SEAS NEAR LUZON, SEAS NEAR MALAYSIA AND GULF OF THAILAND. SEA FOG/REDUCED VISIBILITY VISIBILITY DOWN TO 1000 M IN SQ SH AND TS.=