Bulletinset for METAREA 11 Edition date (UTC): 2026-02-28 08:02:52 ============================ HIGH SEAS FORECAST NORTHERN AUSTRALIA ============================ FQAU21 AMMC 280715 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 1100 UTC 28 FEBRUARY 2026 PART 1 WARNINGS NIL. PART 2 SITUATION AT 280600 UTC TROUGH 10S091E TO LOW 1006HPA NEAR 11S100E TO 11S107E. FORECAST TROUGH 11S095E TO LOW 1004HPA NEAR 11S102E TO 10S105E AT 011200UTC. PART 3 FORECAST SOUTH OF LINE 05S100E 07S137E 09S142E: NORTHWESTERLY QUARTER WINDS 15/25 KNOTS, REACHING UP TO 30 KNOTS AT TIME WITHIN 60NM OF LINE 11S125E 13S130E. MODERATE TO ROUGH SEAS. LOW SWELL. REMAINDER: WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL. RAIN AREAS, SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGHOUT MOST OF AREA. 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 19:15 UTC SATURDAY.= ============================ HIGH SEAS FORECAST JAPAN ============================ WWJP90 RJTD 280000 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 280000. WARNING VALID 010000. WARNING IS UPDATED EVERY 6 HOURS. STORM WARNING. DEVELOPING LOW 1002 HPA AT 34N 146E SEA EAST OF JAPAN MOVING NNE 30 KNOTS. WARM FRONT FROM 34N 146E TO 34N 149E 33N 150E 31N 152E. COLD FRONT FROM 34N 146E TO 32N 144E 31N 142E 29N 140E 27N 137E 25N 133E. WINDS 30 TO 40 KNOTS WITHIN 800 MILES OF LOW NORTH SEMICIRCLE AND 400 MILES ELSEWHERE. EXPECTED WINDS 30 TO 50 KNOTS WITHIN 900 MILES OF LOW SOUTHWEST SEMICIRCLE AND 800 MILES ELSEWHERE WITHIN NEXT 18 HOURS. FORECAST POSITION FOR 281200UTC AT 39N 151E WITH UNCERTAINTY OF 50 MILES RADIUS. FORECAST POSITION FOR 010000UTC AT 43N 151E WITH UNCERTAINTY OF 80 MILES RADIUS. ANOTHER LOW 1002 HPA AT 39N 146E MOVING NNE 15 KNOTS. GALE WARNING. DEVELOPED LOW 992 HPA AT 41N 174W SEA SOUTH OF ALEUTIANS MOVING NE 25 KNOTS. WINDS 30 TO 40 KNOTS WITHIN 900 MILES OF LOW NORTHWEST SEMICIRCLE AND 500 MILES ELSEWHERE. EXPECTED WINDS 30 TO 40 KNOTS WITHIN 900 MILES OF LOW NORTHWEST SEMICIRCLE AND 500 MILES ELSEWHERE FOR NEXT 24 HOURS. ANOTHER LOW 994 HPA AT 47N 180E MOVING WSW 20 KNOTS. WARNING. DENSE FOG OBSERVED LOCALLY OVER SEA OF OKHOTSK NORTHERN PART OF SEA OF JAPAN WESTERN PART OF SEA OF JAPAN YELLOW SEA EAST CHINA SEA NORTHERN PART OF SOUTH CHINA SEA. WARNING. DENSE FOG OBSERVED LOCALLY OVER WATERS BOUNDED BY 37N 141E 42N 141E 44N 147E 47N 152E 45N 156E 38N 159E 36N 150E 37N 141E. SUMMARY. LOW 1012 HPA AT 45N 141E NE 10 KT. HIGH 1024 HPA AT 32N 164E ESE 10 KT. HONG KONG METEOROLOGICAL SERVICE PROVIDES THE FOLLOWING WARNING/INFORMATION FOR THE SOUTH CHINA SEA. WARNINGS NIL. SYNOPSIS (280000UTC) AND 24-HOUR FORECAST FOGGY CONDITIONS ARE AFFECTING SEAS NEAR KWANGTUNG AND GULF OF TONKIN. SIGNIFICANT SWELL/HIGH SEAS NIL. THUNDERSTORMS/SEVERE WEATHER ISOLATED SQUALLY (SQ) SHOWERS (SH) AND THUNDERSTORMS (TS) OVER SEAS NEAR MALAYSIA AND SEAS SOUTH OF THE PHILIPPINES. SEA FOG/REDUCED VISIBILITY VISIBILITY DOWN TO 500 M IN FOG OR RAIN PATCHES OVER SEAS NEAR KWANGTUNG AND GULF OF TONKIN. VISIBILITY DOWN TO 1000 M IN MIST OR RAIN PATCHES OVER THE EAST CHINA SEA AND TAIWAN STRAIT. VISIBILITY DOWN TO 4000 M IN SQ SH AND TS. JAPAN METEOROLOGICAL AGENCY.= ============================ HIGH SEAS FORECAST HONG KONG CHINA ============================ WWHK82 VHHH 280000 40:1:31:11:01:00 HONG KONG METEOROLOGICAL SERVICE PROVIDES THE FOLLOWING WARNING/INFORMATION FOR THE SOUTH CHINA SEA. WARNINGS NIL. SYNOPSIS (280000UTC) AND 24-HOUR FORECAST FOGGY CONDITIONS ARE AFFECTING SEAS NEAR KWANGTUNG AND GULF OF TONKIN. SIGNIFICANT SWELL/HIGH SEAS NIL. THUNDERSTORMS/SEVERE WEATHER ISOLATED SQUALLY (SQ) SHOWERS (SH) AND THUNDERSTORMS (TS) OVER SEAS NEAR MALAYSIA AND SEAS SOUTH OF THE PHILIPPINES. SEA FOG/REDUCED VISIBILITY VISIBILITY DOWN TO 500 M IN FOG OR RAIN PATCHES OVER SEAS NEAR KWANGTUNG AND GULF OF TONKIN. VISIBILITY DOWN TO 1000 M IN MIST OR RAIN PATCHES OVER THE EAST CHINA SEA AND TAIWAN STRAIT. VISIBILITY DOWN TO 4000 M IN SQ SH AND TS. ============================ HIGH SEAS FORECAST CHINA ============================ WWCI50 BABJ 271800 2:1:31:11:01:00 BT SECURITE = MESSAGE FOR METAREA XI (CHINA) ISSUED BY NMC BEIJING AT 2215UTC FEB.27 2026 = MESSAGE IS UPDATED EVERY 06 HOURS = SYNOPSIS VALID 1800UTC FEB.27 = FCST VALID 1800UTC FEB.28 = WARNNING= NIL= SUMMARY= NE/NLY WINDS FROM 10 TO 12M/S GUSTS 14M/S SEAS UP TO 1.5M OVER NORTHERN PART OF EAST CHINA SEA AND TAIWAN STRAIT= NLY WINDS FROM 14 TO 18M/S GUSTS 22M/S SEAS UP TO 3.5M OVER SEA SOUTH OF JAPAN= DENSE FOG OBSERVED LOCALLY OVER SOUTHERN PART OF YELLOW SEA WITH HORIZONTAL VISIBILITY LESS THAN 1KM= HORIZONTAL VISIBILITY LESS THAN 10KM OVER BOHAI STRAIT AND NORTHERN PART OF YELLOW SEA AND CENTRAL PART OF YELLOW SEA AND NORTHWESTERN PART OF SOUTH CHINA SEA AND KOREA STRAIT AND THAILAND GULF 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 MAKASSAR STRAIT AND SEA SOUTHWEST OF THE PHILIPPINES AND LAUT MALUKU= FCST= BOHAI SEA NE WINDS 08 TO 12M/S GUSTS 12 TO 16M/S DECR 06 TO 08M/S GUSTS 08 TO 12M/S SEA STATE MODERATE CLOUDY BECMG LIGHT SNOW VIS GOOD= SOUTHERN PART OF YELLOW SEA E WINDS 06 TO 08M/S GUSTS 08 TO 12M/S INCR 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE MODERATE CLOUDY BECMG OVERCAST VIS GOOD= NORTHERN PART OF EAST CHINA SEA NE WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE ROUGH TO MODERATE OVERCAST VIS GOOD= SOUTHERN PART OF EAST CHINA SEA NE WINDS VEER SE 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE MODERATE OVERCAST BECMG LIGHT RAIN VIS GOOD= TAIWAN STRAIT NE WINDS 12 TO 16M/S GUSTS 16 TO 20M/S DECR 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE MODERATE OVERCAST BECMG MODERATE RAIN VIS GOOD TO MODERATE= SEA EAST OF TAIWAN NE WINDS VEER SE 06 TO 08M/S GUSTS 08 TO 12M/S SEA STATE MODERATE OVERCAST VIS GOOD= BASHI CHANNEL E WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE MODERATE OVERCAST VIS GOOD= BEIBU GULF S WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE MODERATE OVERCAST VIS GOOD= NORTHEASTERN PART OF SOUTH CHINA SEA NE WINDS VEER E 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE MODERATE OVERCAST VIS GOOD= NORTHEASTERN PART OF JAPAN SEA NW WINDS 12 TO 16M/S GUSTS 16 TO 20M/S SEA STATE MODERATE TO ROUGH OVERCAST VIS GOOD= SOUTHWESTERN PART OF JAPAN SEA N WINDS 08 TO 12M/S GUSTS 12 TO 16M/S DECR 06 TO 08M/S GUSTS 08 TO 12M/S SEA STATE MODERATE OVERCAST VIS GOOD= KOREA STRAIT NE WINDS 12 TO 16M/S GUSTS 16 TO 20M/S SEA STATE MODERATE TO ROUGH OVERCAST VIS GOOD= SEA SOUTH OF JAPAN N WINDS 12 TO 16M/S GUSTS 16 TO 20M/S SEA STATE ROUGH OVERCAST VIS GOOD= SEA EAST OF RYUKYU ISLANDS NE WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE ROUGH OVERCAST VIS GOOD= SEA WEST OF BONIN ISLANDS NE WINDS 12 TO 16M/S GUSTS 16 TO 20M/S DECR 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE ROUGH OVERCAST VIS GOOD= SEA NORTHEAST OF THE PHILIPPINES NE WINDS 06 TO 08M/S GUSTS 08 TO 12M/S SEA STATE MODERATE OVERCAST VIS GOOD= SEA WEST OF NORTHERN MARIANA ISLANDS NE WINDS 04 TO 06M/S GUSTS 06 TO 08M/S INCR 06 TO 08M/S GUSTS 08 TO 12M/S SEA STATE ROUGH OVERCAST VIS GOOD= SEA SOUTHEAST OF THE PHILIPPINES NE WINDS 06 TO 08M/S GUSTS 08 TO 12M/S SEA STATE MODERATE CLOUDY VIS GOOD= SEA WEST OF GUAM NE WINDS 06 TO 08M/S GUSTS 08 TO 12M/S INCR 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE MODERATE TO ROUGH CLOUDY VIS GOOD= SEA NORTHEAST OF INDONESIA W WINDS 06 TO 08M/S GUSTS 08 TO 12M/S SEA STATE MODERATE MODERATE RAIN VIS MODERATE= SEA SOUTHEAST OF INDONESIA W WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE MODERATE MODERATE RAIN VIS MODERATE= SEA SOUTH OF JAWA W WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE MODERATE MODERATE RAIN BECMG HEAVY RAIN VIS MODERATE= SEA NORTH OF JAWA NW WINDS 08 TO 12M/S GUSTS 12 TO 16M/S BACK W WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE MODERATE CLOUDY VIS GOOD= SEA SOUTH OF SUMATERA W WINDS 08 TO 12M/S GUSTS 12 TO 16M/S DECR 06 TO 08M/S GUSTS 08 TO 12M/S SEA STATE MODERATE MODERATE RAIN VIS MODERATE=