Bulletinset for METAREA 11 Edition date (UTC): 2025-05-11 07:47:48 ============================ HIGH SEAS FORECAST CHINA ============================ WWCI50 BABJ 110000 2:1:31:11:01:00 BT SECURITE = MESSAGE FOR METAREA XI (CHINA) ISSUED BY NMC BEIJING AT 0330UTC MAY.11 2025 = MESSAGE IS UPDATED EVERY 06 HOURS = SYNOPSIS VALID 0000UTC MAY.11 = FCST VALID 0000UTC MAY.12 = WARNNING= NIL= SUMMARY= NE/NLY WINDS FROM 10 TO 14M/S GUSTS 18M/S SEAS UP TO 2.0M OVER SOUTHERN PART OF EAST CHINA SEA AND TAIWAN STRAIT AND SEA EAST OF TAIWAN AND NORTHERN PART OF SOUTH CHINA SEA AND BEIBU GULF= WLY WINDS FROM 12 TO 14M/S GUSTS 18M/S SEAS UP TO 2.5M OVER NORTHEASTERN PART OF JAPAN SEA= HORIZONTAL VISIBILITY LESS THAN 10KM OVER WESTERN PART OF EAST CHINA SEA AND QIONGZHOU STRAIT AND ANDAMAN SEA AND MALACCA STRAIT AND SEA EAST OF SINGAPORE AND SEA SOUTH OF SUMATERA AND SUNDA STRAIT AND LAUT JAWA AND SEA SOUTH OF JAWA AND LAUT MALUKU= FCST= SOUTHERN PART OF EAST CHINA SEA NE WINDS 12 TO 16M/S GUSTS 16 TO 20M/S DECR 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE MODERATE MODERATE RAIN BECMG OVERCAST VIS MODERATE TO GOOD= TAIWAN STRAIT NE WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE MODERATE MODERATE RAIN BECMG OVERCAST VIS MODERATE TO GOOD= SEA EAST OF TAIWAN N WINDS VEER NE 12 TO 16M/S GUSTS 16 TO 20M/S SEA STATE ROUGH MODERATE RAIN VIS MODERATE= BASHI CHANNEL NE WINDS 06 TO 08M/S GUSTS 08 TO 12M/S INCR 12 TO 16M/S GUSTS 16 TO 20M/S SEA STATE MODERATE TO ROUGH OVERCAST BECMG MODERATE RAIN VIS GOOD TO MODERATE= BEIBU GULF N WINDS 12 TO 16M/S GUSTS 16 TO 20M/S DECR 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE ROUGH TO MODERATE OVERCAST VIS GOOD= QIONGZHOU STRAIT NE WINDS 08 TO 12M/S GUSTS 12 TO 16M/S DECR 04 TO 06M/S GUSTS 06 TO 08M/S SEA STATE MODERATE OVERCAST BECMG CLOUDY VIS GOOD= NORTHWESTERN PART OF SOUTH CHINA SEA NE WINDS 12 TO 16M/S GUSTS 16 TO 20M/S DECR 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE MODERATE MODERATE RAIN BECMG OVERCAST VIS MODERATE TO GOOD= NORTHEASTERN PART OF SOUTH CHINA SEA NE WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE MODERATE MODERATE RAIN VIS MODERATE= NORTHEASTERN PART OF JAPAN SEA W WINDS 12 TO 16M/S GUSTS 16 TO 20M/S BACK SW WINDS 12 TO 16M/S GUSTS 16 TO 20M/S SEA STATE ROUGH TO MODERATE OVERCAST BECMG LIGHT RAIN VIS GOOD= SOUTHWESTERN PART OF JAPAN SEA SW WINDS 06 TO 08M/S GUSTS 08 TO 12M/S SEA STATE MODERATE OVERCAST BECMG LIGHT RAIN VIS GOOD= KOREA STRAIT SW WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE MODERATE OVERCAST VIS GOOD= SEA SOUTH OF JAPAN SW WINDS 12 TO 16M/S GUSTS 16 TO 20M/S DECR 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE MODERATE MODERATE RAIN VIS MODERATE= SEA EAST OF RYUKYU ISLANDS NE WINDS 12 TO 16M/S GUSTS 16 TO 20M/S SEA STATE MODERATE MODERATE RAIN VIS MODERATE= SEA WEST OF BONIN ISLANDS S WINDS 04 TO 06M/S GUSTS 06 TO 08M/S VEER SW WINDS 04 TO 06M/S GUSTS 06 TO 08M/S SEA STATE MODERATE OVERCAST VIS GOOD= SEA WEST OF NORTHERN MARIANA ISLANDS E WINDS 04 TO 06M/S GUSTS 06 TO 08M/S INCR 06 TO 08M/S GUSTS 08 TO 12M/S SEA STATE MODERATE OVERCAST VIS GOOD= SEA SOUTHEAST OF INDONESIA SE WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE MODERATE CLOUDY BECMG MODERATE RAIN VIS GOOD TO MODERATE= SEA SOUTH OF JAWA E WINDS 06 TO 08M/S GUSTS 08 TO 12M/S SEA STATE MODERATE CLOUDY BECMG MODERATE RAIN VIS GOOD TO MODERATE= SEA SOUTH OF SUMATERA SE WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE MODERATE MODERATE RAIN VIS MODERATE= ============================ HIGH SEAS FORECAST JAPAN ============================ WWJP90 RJTD 110000 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 110000. WARNING VALID 120000. WARNING IS UPDATED EVERY 6 HOURS. GALE WARNING. DEVELOPING LOW 986 HPA AT 44N 148E SEA AROUND KURILS MOVING NE 20 KNOTS. OCCLUDED FRONT FROM 44N 148E TO 43N 151E 41N 152E. WARM FRONT FROM 41N 152E TO 37N 153E 33N 154E. COLD FRONT FROM 41N 152E TO 37N 149E 34N 145E 31N 142E 28N 137E. STATIONARY FRONT FROM 28N 137E TO 26N 131E 24N 124E 21N 119E 20N 114E 20N 111E 18N 107E. WINDS 30 TO 40 KNOTS WITHIN 800 MILES OF LOW SOUTH SEMICIRCLE AND 500 MILES ELSEWHERE. EXPECTED WINDS 30 TO 40 KNOTS WITHIN 900 MILES OF LOW SOUTHWEST SEMICIRCLE AND 600 MILES ELSEWHERE FOR NEXT 24 HOURS. GALE WARNING. DEVELOPING LOW 1006 HPA AT 24N 124E SEA SOUTH OF OKINAWA MOVING ENE 10 KNOTS. WINDS 30 TO 35 KNOTS WITHIN 200 MILES OF LOW. EXPECTED WINDS 30 TO 40 KNOTS WITHIN 200 MILES OF LOW WITHIN NEXT 6 HOURS. WARNING. DENSE FOG OBSERVED LOCALLY OVER SEA OF OKHOTSK SEA OF JAPAN BOHAI YELLOW SEA EAST CHINA SEA. WARNING. DENSE FOG OBSERVED LOCALLY OVER WATERS BOUNDED BY 36N 141E 42N 141E 47N 152E 51N 157E 44N 172E 27N 156E 24N 135E 26N 130E 36N 146E 36N 141E. WARNING. DENSE FOG OBSERVED LOCALLY OVER WATERS BOUNDED BY 54N 160E 60N 163E 60N 180E 52N 180E 54N 160E. SUMMARY. LOW 992 HPA AT 53N 133E EAST 15 KT. LOW 1000 HPA AT 58N 177W WNW 10 KT. HIGH 1016 HPA AT 54N 163E ALMOST STATIONARY. HIGH 1020 HPA AT 34N 165E ESE 20 KT. HONG KONG METEOROLOGICAL SERVICE PROVIDES THE FOLLOWING WARNING/INFORMATION FOR THE SOUTH CHINA SEA. WARNINGS NIL. SYNOPSIS (110000UTC) AND 24-HOUR FORECAST UNSETTLED WEATHER IS AFFECTING LUZON STRAIT, NORTHERN AND CENTRAL PARTS OF THE SOUTH CHINA SEA (SCS), GULF OF TONKIN AND GULF OF THAILAND. SIGNIFICANT SWELL/HIGH SEAS NIL. THUNDERSTORMS/SEVERE WEATHER SCATTERED SQUALLY (SQ) SHOWERS (SH) AND THUNDERSTORMS (TS) OVER LUZON STRAIT, NORTHERN AND CENTRAL PARTS OF THE SCS, GULF OF TONKIN AND GULF OF THAILAND. ISOLATED SQ SH AND TS OVER SEAS NEAR THE SOUTHERN PART OF THE PHILIPPINES, SOUTHERN PART OF THE SCS AND SEAS NEAR MALAYSIA. SEA FOG/REDUCED VISIBILITY VISIBILITY DOWN TO 2000 M IN SQ SH AND TS. JAPAN METEOROLOGICAL AGENCY.= ============================ HIGH SEAS FORECAST HONG KONG CHINA ============================ WWHK82 VHHH 110000 40:1:31:11:01:00 HONG KONG METEOROLOGICAL SERVICE PROVIDES THE FOLLOWING WARNING/INFORMATION FOR THE SOUTH CHINA SEA. WARNINGS NIL. SYNOPSIS (110000UTC) AND 24-HOUR FORECAST UNSETTLED WEATHER IS AFFECTING LUZON STRAIT, NORTHERN AND CENTRAL PARTS OF THE SOUTH CHINA SEA (SCS), GULF OF TONKIN AND GULF OF THAILAND. SIGNIFICANT SWELL/HIGH SEAS NIL. THUNDERSTORMS/SEVERE WEATHER SCATTERED SQUALLY (SQ) SHOWERS (SH) AND THUNDERSTORMS (TS) OVER LUZON STRAIT, NORTHERN AND CENTRAL PARTS OF THE SCS, GULF OF TONKIN AND GULF OF THAILAND. ISOLATED SQ SH AND TS OVER SEAS NEAR THE SOUTHERN PART OF THE PHILIPPINES, SOUTHERN PART OF THE SCS AND SEAS NEAR MALAYSIA. SEA FOG/REDUCED VISIBILITY VISIBILITY DOWN TO 2000 M IN SQ SH AND TS. ============================ HIGH SEAS FORECAST NORTHERN AUSTRALIA ============================ FQAU21 AMMC 102015 40:2:1:31:11:01:00 IDY10240 SECURITE HIGH SEAS FORECAST FOR NORTHERN METAREA 8/10/11 NORTHERN AREA: EQUATOR TO 12S, 90E TO 142E AND SOUTHWARD TO COAST, 125E TO 142E ISSUED BY THE AUSTRALIAN GOVERNMENT BUREAU OF METEOROLOGY FOR 24 HOURS COMMENCING 2300 UTC 10 MAY 2025 PART 1 WARNINGS NIL. PART 2 SITUATION AT 1800 UTC TROPICAL LOW (33U) 1004HPA NEAR 09S138E. FORECAST 1007HPA NEAR 08S137E AT 120000UTC. TROUGH NEAR EQ091E 09S101E 10S105E. FORECAST NEAR EQ090E 06S095E 09S100E AT 120000UTC. PART 3 FORECAST REFER TO LATEST WARNINGS. EAST OF LINE 07S134E 09S133E 15S133E: SOUTHEASTERLY WINDS BECOMING CLOCKWISE WINDS WITHIN 180NM OF TROPICAL LOW. WIND SPEEDS 15/25 KNOTS, INCREASING TO 25/33 KNOTS WITHIN 180NM OF LOW. MODERATE TO ROUGH SEAS. LOW SWELL, INCREASING TO LOW TO MODERATE SWELL WITHIN 60NM OF LINE 08S133E 08S137E. SOUTH OF LINE 09S090E 09S097E 11S104E: SOUTHEASTERLY QUARTER WINDS. WIND SPEEDS 15/25 KNOTS. MODERATE TO ROUGH SEAS. LOW TO MODERATE SWELL. REMAINDER: WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL, INCREASING TO LOW TO MODERATE SWELL SOUTH OF LINE 04S090E 05S098E 12S111E. RAIN AREAS, SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGHOUT MOST OF AREA. HEAVY AT TIMES WITHIN 180NM OF TROPICAL LOW IN THE SOUTHEASTERN SEMICIRCLE. VISIBILITY REDUCING BELOW 2NM IN PRECIPITATION. PLEASE BE AWARE WIND AND WAVE FORECASTS ARE AVERAGES. WIND GUSTS CAN BE 40 PER CENT STRONGER THAN THE FORECAST, AND STRONGER STILL IN SQUALLS AND THUNDERSTORMS. MAXIMUM WAVES CAN BE TWICE THE FORECAST HEIGHT. WEATHER MELBOURNE THE NEXT ROUTINE FORECAST WILL BE ISSUED AT 08:15 UTC SUNDAY.=