WWHK82 VHHH 190600 40:1:31:11:01:00 HONG KONG METEOROLOGICAL SERVICE PROVIDES THE FOLLOWING WARNING/INFORMATION FOR THE SOUTH CHINA SEA. WARNINGS NIL. SYNOPSIS (190600UTC) AND 24-HOUR FORECAST LOW VISIBILITY CONDITIONS ARE AFFECTING SEAS NEAR KWANGTUNG AND GULF OF TONKIN. SIGNIFICANT SWELL/HIGH SEAS NIL. THUNDERSTORMS/SEVERE WEATHER ISOLATED SQUALLY (SQ) SHOWERS (SH) AND THUNDERSTORMS (TS) OVER SEAS SOUTH OF THE PHILIPPINES AND STRAIT OF MALACCA. SEA FOG/REDUCED VISIBILITY VISIBILITY DOWN TO 2000 M IN MIST OR LIGHT RAIN PATCHES OVER SEAS NEAR KWANGTUNG AND GULF OF TONKIN. VISIBILITY DOWN TO 4000 M IN SQ SH AND TS.