WWJP90 RJTD 170000 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 170000. WARNING VALID 180000. WARNING IS UPDATED EVERY 6 HOURS. GALE WARNING. DEVELOPED LOW 988 HPA AT 52N 161E SEA EAST OF KURILS MOVING ENE 25 KNOTS. WINDS 30 TO 40 KNOTS WITHIN 1100 MILES OF LOW SOUTH SEMICIRCLE AND 600 MILES ELSEWHERE. EXPECTED WINDS 30 TO 40 KNOTS WITHIN 1100 MILES OF LOW SOUTH SEMICIRCLE AND 600 MILES ELSEWHERE FOR NEXT 18 HOURS. ANOTHER LOW 988 HPA AT 54N 167E MOVING ENE 20 KNOTS. GALE WARNING. WESTERLY TO NORTHWESTERLY WINDS 30 TO 45 KNOTS EXPECTED WINDS 30 TO 45 KNOTS FOR NEXT 6 HOURS PREVAILING OVER WATERS BOUNDED BY 60N 168E 60N 180E 54N 180E 57N 174E 60N 168E. GALE WARNING. NEW LOW FORECAST POSITION FOR 180000UTC AT 43N 138E WITH UNCERTAINTY OF 80 MILES RADIUS MOVING ENE 25 KNOTS. EXPECTED WINDS 30 TO 35 KNOTS WITHIN 400 MILES OF LOW SOUTHWEST SEMICIRCLE AND 300 MILES ELSEWHERE WITHIN NEXT 24 HOURS. WARNING. DENSE FOG OBSERVED LOCALLY OVER NORTHERN PART OF SEA OF JAPAN. WARNING. DENSE FOG OBSERVED LOCALLY OVER WATERS BOUNDED BY 39N 156E 45N 167E 50N 170E 51N 167E 50N 160E 53N 160E 60N 164E 60N 180E 43N 180E 37N 166E 33N 159E 39N 156E. SUMMARY. LOW 1014 HPA AT 32N 143E ENE SLOWLY. HIGH 1028 HPA AT 35N 173E EAST 15 KT. OCCLUDED FRONT FROM 54N 167E TO 54N 170E 52N 172E. WARM FRONT FROM 52N 172E TO 50N 175E 48N 176E. COLD FRONT FROM 52N 172E TO 49N 172E 43N 167E 40N 162E. STATIONARY FRONT FROM 40N 162E TO 38N 160E 37N 157E 35N 154E 33N 150E. HONG KONG METEOROLOGICAL SERVICE PROVIDES THE FOLLOWING WARNING/INFORMATION FOR THE SOUTH CHINA SEA. WARNINGS GALES OVER TAIWAN STRAIT. SYNOPSIS (170000UTC) AND 24-HOUR FORECAST THE NORTHEAST MONSOON IS BRINGING GALES TO TAIWAN STRAIT. SIGNIFICANT SWELL/HIGH SEAS SEAS 6 M OVER GALES. SWELL NE 3 M OVER SEAS NEAR TAIWAN. THUNDERSTORMS/SEVERE WEATHER SCATTERED SQUALLY (SQ) SHOWERS (SH) AND THUNDERSTORMS (TS) OVER SEAS NEAR MALAYSIA AND SEAS SOUTH OF THE PHILIPPINES. SEA FOG/REDUCED VISIBILITY VISIBILITY DOWN TO 2000 M IN SQ SH AND TS. VISIBILITY DOWN TO 4000 M IN MIST OR LIGHT RAIN PATCHES AT FIRST OVER GULF OF TONKIN AND SEAS NEAR WESTERN PART OF KWANGTUNG. JAPAN METEOROLOGICAL AGENCY.=