WWHK82 VHHH 251800 40:1:31:11:01:00 HONG KONG METEOROLOGICAL SERVICE PROVIDES THE FOLLOWING WARNING/INFORMATION FOR THE SOUTH CHINA SEA. WARNINGS NIL. SYNOPSIS (251800UTC) AND 24-HOUR FORECAST UNSETTLED WEATHER IS AFFECTING SEAS NEAR SOUTHERN PART OF THE PHILIPPINES, SOUTHERN PART OF THE SOUTH CHINA SEA (SCS) AND GULF OF THAILAND. SIGNIFICANT SWELL/HIGH SEAS NIL. THUNDERSTORMS/SEVERE WEATHER SCATTERED SQUALLY (SQ) SHOWERS (SH) AND THUNDERSTORMS (TS) OVER SEAS NEAR SOUTHERN PART OF THE PHILIPPINES, SOUTHERN PART OF THE SCS AND GULF OF THAILAND. ISOLATED SQ SH AND TS OVER SEAS NEAR MALAYSIA AND SEAS NEAR VIETNAM. SEA FOG/REDUCED VISIBILITY VISIBILITY DOWN TO 2000 M IN SQ SH AND TS.