WWHK82 VHHH 210600 40:1:31:11:01:00 HONG KONG METEOROLOGICAL SERVICE PROVIDES THE FOLLOWING WARNING/INFORMATION FOR THE SOUTH CHINA SEA. WARNINGS GALES OVER TAIWAN STRAIT. SYNOPSIS (210600UTC) AND 24-HOUR FORECAST THE NORTHEAST MONSOON IS BRINGING GALES TO THE WARNING AREA. SIGNIFICANT SWELL/HIGH SEAS SEAS 6 M OVER GALES. SWELL E TO NE 3 M OVER TAIWAN STRAIT, LUZON STRAIT, NORTHERN AND CENTRAL PARTS OF THE SOUTH CHINA SEA (SCS). THUNDERSTORMS/SEVERE WEATHER SCATTERED SQUALLY (SQ) SHOWERS (SH) AND THUNDERSTORMS (TS) OVER SOUTHERN PART OF THE SCS, SEAS NEAR MALAYSIA AND GULF OF THAILAND. ISOLATED SQ SH AND TS OVER SEAS SOUTH OF THE PHILIPPINES SEA FOG/REDUCED VISIBILITY VISIBILITY DOWN TO 2000 M IN SQ SH AND TS.