WWJP90 RJTD 180000 EGC:2:1:31:11:01:00 SECURITE. THIS WARNING IS ISSUED FOR NORTH OF THE EQUATOR AND EAST OF 100E IN METAREA XI BY JMA. WARNING AND SUMMARY 180000. WARNING VALID 190000. WARNING IS UPDATED EVERY 6 HOURS. GALE WARNING. DEVELOPED LOW 988 HPA AT 58N 146E SEA OF OKHOTSK MOVING NORTH 10 KNOTS. WINDS 30 TO 40 KNOTS WITHIN 300 MILES OF LOW SOUTH SEMICIRCLE AND 200 MILES ELSEWHERE. EXPECTED WINDS 30 TO 40 KNOTS WITHIN 300 MILES OF LOW SOUTH SEMICIRCLE AND 200 MILES ELSEWHERE FOR NEXT 6 HOURS. GALE WARNING. DEVELOPING LOW 1010 HPA AT 39N 152E SEA EAST OF JAPAN MOVING NE 35 KNOTS. WARM FRONT FROM 39N 152E TO 39N 157E 38N 161E. COLD FRONT FROM 39N 152E TO 35N 149E 33N 143E 31N 140E 29N 137E. WINDS 30 TO 35 KNOTS WITHIN 600 MILES OF LOW SOUTHWEST SEMICIRCLE AND 400 MILES ELSEWHERE. EXPECTED WINDS 30 TO 35 KNOTS WITHIN 800 MILES OF LOW SOUTH SEMICIRCLE AND 400 MILES ELSEWHERE FOR NEXT 24 HOURS. GALE WARNING. DEVELOPING LOW 1016 HPA AT 42N 171E SEA SOUTH OF ALEUTIANS MOVING NORTH 20 KNOTS. WINDS 30 TO 35 KNOTS WITHIN 400 MILES OF LOW. EXPECTED WINDS 30 TO 35 KNOTS WITHIN 400 MILES OF LOW FOR NEXT 24 HOURS. WARNING. DENSE FOG OBSERVED LOCALLY OVER SEA OF OKHOTSK. WARNING. DENSE FOG OBSERVED LOCALLY OVER WATERS BOUNDED BY 44N 155E 48N 154E 55N 162E 60N 163E 60N 180E 47N 180E 39N 173E 44N 155E. SUMMARY. LOW 1008 HPA AT 50N 149E ENE 20 KT. HIGH 1028 HPA AT 35N 125E EAST 20 KT. HIGH 1028 HPA AT 41N 134E ESE 10 KT. HIGH 1024 HPA AT 35N 165E ENE 10 KT. HONG KONG METEOROLOGICAL SERVICE PROVIDES THE FOLLOWING WARNING/INFORMATION FOR THE SOUTH CHINA SEA. WARNINGS GALE FORCE WINDS OVER LUZON STRAIT. SYNOPSIS (180000UTC) AND 24-HOUR FORECAST THE NORTHEAST MONSOON IS BRINGING GALES TO LUZON STRAIT. SIGNIFICANT SWELL/HIGH SEAS SEAS 6 M OVER GALES. SWELL NE 3 M OVER SEAS EAST OF LUZON. THUNDERSTORMS/SEVERE WEATHER SCATTERED SQUALLY (SQ) SHOWERS (SH) AND THUNDERSTORMS (TS) OVER SEAS NEAR SOUTHERN PART OF THE PHILIPPINES, SOUTHERN PART OF THE SOUTH CHINA SEA AND SEAS NEAR MALAYSIA. ISOLATED SQ SH AND TS OVER SEAS EAST OF LUZON. SEA FOG/REDUCED VISIBILITY VISIBILITY DOWN TO 2000 M IN SQ SH AND TS. JAPAN METEOROLOGICAL AGENCY.=