WWHK82 VHHH 081800 40:1:31:11:01:00 HONG KONG METEOROLOGICAL SERVICE PROVIDES THE FOLLOWING WARNING/INFORMATION FOR THE SOUTH CHINA SEA. WARNINGS NIL. SYNOPSIS (081800UTC) AND 24-HOUR FORECAST LOW VISIBILITY CONDITIONS ARE AFFECTING THE EAST CHINA SEA (ECS) AND TAIWAN STRAIT. SIGNIFICANT SWELL/HIGH SEAS NIL. THUNDERSTORMS/SEVERE WEATHER ISOLATED SQUALLY (SQ) SHOWERS (SH) AND THUNDERSTORMS (TS) OVER THE ECS, SEAS NEAR MALAYSIA, SEAS SOUTH OF PHILIPPINES. SEA FOG/REDUCED VISIBILITY VISIBILITY DOWN TO 1000 M IN MIST OR LIGHT RAIN PATCHES OVER THE ECS AND TAIWAN STRAIT. VISIBILITY DOWN TO 2000 M IN MIST OR LIGHT RAIN PATCHES OVER SEAS NEAR KWANGTUNG. VISIBILITY DOWN TO 4000 M IN SQ SH AND TS.