METAREA 11 bulletinset


HIGH SEAS FORECAST NORTHERN AUSTRALIA
FQAU21 AMMC 120616

40:2:1:31:11:01:00

IDY10240

SECURITE

UPDATED 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 11 DECEMBER 2025

PART 1 WARNINGS

OCEAN GALE AND STORM WARNING 1 ISSUED BY THE TCWC, JAKARTA.

PART 2 SITUATION AT 121800 UTC

TROPICAL LOW 05U 1004HPA NEAR 07S100E. FORECAST 1003HPA NEAR 09S096E

AT

130000UTC.

FORECAST LOW [2] 1003HPA ENTERING FROM WEST OF AREA NEAR 04S090E AT

130000UTC.

LOW [3] 1006HPA NEAR 12S115E. FORECAST LOW [3] 1007HPA NEAR 12S112E

AT

130000UTC.

PART 3 FORECAST

WITHIN 120NM OF TROPICAL LOW 05U, OUTSIDE WARNING AREA:

CLOCKWISE WINDS AROUND LOW. WIND SPEEDS BELOW 20 KNOTS, INCREASING TO

20/30

KNOTS IN SOUTHERN SEMICIRCLE. MODERATE TO ROUGH SEAS. LOW TO MODERATE

SWELL.

WITHIN 120NM OF LOW [2]:

CLOCKWISE WINDS AROUND LOW. WIND SPEEDS BELOW 20 KNOTS, INCREASING TO

20/30

KNOTS IN NORTHEASTERN QUADRANT. MODERATE TO ROUGH SEAS. LOW SWELL.

REMAINDER:

WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL,

INCREASING TO

LOW TO MODERATE SOUTH OF LINE 01S090E 12S114E.

RAIN AREAS, SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGHOUT,

HEAVY AT

TIMES WITHIN 120NM OF LOWS. 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 07:15 UTC FRIDAY.=


HIGH SEAS FORECAST CHINA
WWCI50 BABJ 120000

2:1:31:11:01:00

BT

SECURITE =

MESSAGE FOR METAREA XI (CHINA) ISSUED BY NMC BEIJING

AT 0330UTC DEC.12 2025 =

MESSAGE IS UPDATED EVERY 06 HOURS =

SYNOPSIS VALID 0000UTC DEC.12 =

FCST VALID 0000UTC DEC.13 =

WARNNING=

NIL=

SUMMARY=

NE/ELY WINDS FROM 10 TO 14M/S GUSTS 18M/S SEAS UP

TO 2.0M OVER EAST CHINA SEA AND TAIWAN STRAIT AND

SEA EAST OF TAIWAN AND BASHI CHANNEL AND

NORTHEASTERN PART OF SOUTH CHINA SEA AND CENTRAL

PART OF SOUTH CHINA SEA=

NW/NLY WINDS FROM 12 TO 14M/S GUSTS 18M/S SEAS UP

TO 2.5M OVER JAPAN SEA AND SEA SOUTH OF JAPAN=

DENSE FOG OBSERVED LOCALLY OVER NORTHWESTERN PART

OF SOUTH CHINA SEA WITH HORIZONTAL VISIBILITY LESS

THAN 1KM=

HORIZONTAL VISIBILITY LESS THAN 10KM OVER

QIONGZHOU STRAIT AND BEIBU GULF AND NORTHEASTERN

PART OF JAPAN SEA AND ANDAMAN SEA AND THAILAND

GULF AND MALACCA STRAIT AND SEA EAST OF SINGAPORE

AND SEA SOUTH OF SUMATERA AND SUNDA STRAIT AND

LAUT JAWA AND SEA SOUTHWEST OF THE PHILIPPINES AND

LAUT MALUKU AND LAUT BANDA=

FCST=

NORTHERN PART OF EAST CHINA SEA

NE WINDS VEER E 08 TO 12M/S GUSTS 12 TO 16M/S SEA

STATE MODERATE OVERCAST VIS GOOD=

SOUTHERN PART OF EAST CHINA SEA

NE WINDS 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 SEA STATE

MODERATE OVERCAST VIS GOOD=

SEA EAST OF TAIWAN

NE WINDS 08 TO 12M/S GUSTS 12 TO 16M/S DECR 06 TO

08M/S GUSTS 08 TO 12M/S SEA STATE MODERATE TO

SLIGHT OVERCAST VIS GOOD=

BASHI CHANNEL

NE WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE

MODERATE OVERCAST VIS GOOD=

NORTHWESTERN PART OF SOUTH CHINA SEA

E WINDS BACK NE 08 TO 12M/S GUSTS 12 TO 16M/S SEA

STATE MODERATE OVERCAST VIS GOOD=

NORTHEASTERN 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

OVERCAST VIS GOOD=

WEST CENTRAL SOUTH CHINA SEA

NE WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE

MODERATE CLOUDY VIS GOOD=

EAST CENTRAL SOUTH CHINA SEA

NE WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE

MODERATE CLOUDY VIS GOOD=

SOUTHWESTERN PART OF SOUTH CHINA SEA

NE WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE

MODERATE CLOUDY BECMG MODERATE RAIN VIS GOOD TO

MODERATE=

NORTHEASTERN PART OF JAPAN SEA

NW WINDS 12 TO 16M/S GUSTS 16 TO 20M/S SEA STATE

ROUGH MIDDLE SNOW BECMG LIGHT SNOW VIS MODERATE TO

GOOD=

SOUTHWESTERN PART OF JAPAN SEA

N WINDS 08 TO 12M/S GUSTS 12 TO 16M/S VEER S WINDS

08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE MODERATE

OVERCAST VIS GOOD=

KOREA STRAIT

NE WINDS VEER E 08 TO 12M/S GUSTS 12 TO 16M/S SEA

STATE MODERATE OVERCAST VIS GOOD=

SEA SOUTH OF JAPAN

NW WINDS 12 TO 16M/S GUSTS 16 TO 20M/S VEER NE

WINDS 12 TO 16M/S GUSTS 16 TO 20M/S SEA STATE

ROUGH TO MODERATE OVERCAST VIS GOOD=

SEA EAST OF RYUKYU ISLANDS

NE WINDS VEER E 08 TO 12M/S GUSTS 12 TO 16M/S SEA

STATE MODERATE OVERCAST VIS GOOD=

SEA WEST OF BONIN ISLANDS

NE WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE

MODERATE LIGHT RAIN BECMG OVERCAST VIS GOOD=

SEA NORTHEAST OF THE PHILIPPINES

NE WINDS VEER E 06 TO 08M/S GUSTS 08 TO 12M/S SEA

STATE MODERATE OVERCAST VIS GOOD=

SEA WEST OF NORTHERN MARIANA ISLANDS

NE WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE

MODERATE OVERCAST VIS GOOD=

SEA SOUTHEAST OF THE PHILIPPINES

NE WINDS VEER E 06 TO 08M/S GUSTS 08 TO 12M/S SEA

STATE MODERATE MODERATE RAIN VIS MODERATE=

SEA WEST OF GUAM

E WINDS 08 TO 12M/S GUSTS 12 TO 16M/S DECR 06 TO

08M/S GUSTS 08 TO 12M/S SEA STATE MODERATE CLOUDY

VIS GOOD=

SEA SOUTHWEST OF THE PHILIPPINES

NE WINDS 06 TO 08M/S GUSTS 08 TO 12M/S DECR 04 TO

06M/S GUSTS 06 TO 08M/S SEA STATE MODERATE TO

SLIGHT MODERATE RAIN BECMG CLOUDY VIS MODERATE TO

GOOD=

SEA NORTH OF JAWA

W WINDS 04 TO 06M/S GUSTS 06 TO 08M/S VEER NW

WINDS 04 TO 06M/S GUSTS 06 TO 08M/S SEA STATE

SLIGHT TO MODERATE CLOUDY BECMG MODERATE RAIN VIS

GOOD TO MODERATE=

SEA SOUTH OF SUMATERA

E 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=

SEA SOUTH OF VIETNAM

NE WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE

MODERATE CLOUDY VIS GOOD=

GULF OF THAILAND

E WINDS 06 TO 08M/S GUSTS 08 TO 12M/S SEA STATE

MODERATE CLOUDY BECMG MODERATE RAIN VIS GOOD TO

MODERATE=


HIGH SEAS FORECAST JAPAN
WWJP90 RJTD 120000

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 120000.

WARNING VALID 130000.

WARNING IS UPDATED EVERY 6 HOURS.

STORM WARNING.

DEVELOPING LOW 992 HPA

AT 45N 153E SEA EAST OF KURILS MOVING ENE 25 KNOTS.

OCCLUDED FRONT FROM 45N 153E TO 44N 154E 43N 154E.

WARM FRONT FROM 43N 154E TO 41N 156E 38N 157E.

COLD FRONT FROM 43N 154E TO 40N 153E 36N 150E 33N 145E.

WINDS 30 TO 45 KNOTS WITHIN 1100 MILES OF LOW SOUTHWEST SEMICIRCLE

AND 600 MILES ELSEWHERE.

EXPECTED WINDS 30 TO 55 KNOTS WITHIN 1000 MILES OF LOW SOUTHEAST

SEMICIRCLE AND 800 MILES ELSEWHERE WITHIN NEXT 18 HOURS.

FORECAST POSITION FOR 121200UTC AT 49N 152E WITH UNCERTAINTY OF 50

MILES RADIUS.

FORECAST POSITION FOR 130000UTC AT 49N 154E WITH UNCERTAINTY OF 80

MILES RADIUS.

GALE WARNING.

DEVELOPED LOW 982 HPA

AT 43N 169E FAR OFF EAST OF JAPAN MOVING NORTH 10 KNOTS.

WINDS 30 TO 45 KNOTS WITHIN 1000 MILES OF LOW SOUTHEAST SEMICIRCLE

AND 500 MILES ELSEWHERE.

EXPECTED WINDS 30 TO 45 KNOTS WITHIN 1000 MILES OF LOW SOUTHEAST

SEMICIRCLE AND 500 MILES ELSEWHERE FOR NEXT 24 HOURS.

ANOTHER LOW 1008 HPA AT 32N 179W

MOVING ENE 20 KNOTS.

WARNING.

DENSE FOG OBSERVED LOCALLY OVER SEA OF OKHOTSK NORTHERN PART OF SOUTH

CHINA SEA.

WARNING.

DENSE FOG OBSERVED LOCALLY OVER WATERS BOUNDED BY 41N 150E 46N 150E

55N 162E 60N 162E 60N 180E 48N 180E 40N 170E 43N 160E 41N 150E.

SUMMARY.

LOW 1018 HPA AT 26N 131E ALMOST STATIONARY.

LOW 1004 HPA AT 57N 145E ALMOST STATIONARY.

LOW 1000 HPA AT 58N 154E NNE 20 KT.

HIGH 1040 HPA AT 42N 122E ESE 20 KT.

HIGH 1020 HPA AT 31N 163E ESE 25 KT.

WARM FRONT FROM 32N 179W TO 29N 177W 26N 176W.

COLD FRONT FROM 32N 179W TO 29N 179W 26N 180E 23N 177E 20N 173E.

HONG KONG METEOROLOGICAL SERVICE PROVIDES THE FOLLOWING

WARNING/INFORMATION FOR THE SOUTH CHINA SEA.

WARNINGS

GALE FORCE WINDS OVER TAIWAN STRAIT.

SYNOPSIS (120000UTC) AND 24-HOUR FORECAST

WINDY CONDITIONS ARE AFFECTING TAIWAN STRAIT.

SIGNIFICANT SWELL/HIGH SEAS

SEAS 6 M OVER GALES.

SWELL NE 3 M OVER TAIWAN STRAIT.

THUNDERSTORMS/SEVERE WEATHER

SCATTERED SQUALLY (SQ) SHOWERS (SH) AND THUNDERSTORMS (TS)

OVER GULF OF THAILAND AND SEAS NEAR MALAYSIA.

ISOLATED SQ SH AND TS OVER SOUTHERN PART OF THE SOUTH CHINA

SEA AND SEAS NEAR THE PHILIPPINES.

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 120000

40:1:31:11:01:00

HONG KONG METEOROLOGICAL SERVICE PROVIDES THE FOLLOWING

WARNING/INFORMATION FOR THE SOUTH CHINA SEA.

WARNINGS

GALE FORCE WINDS OVER TAIWAN STRAIT.

SYNOPSIS (120000UTC) AND 24-HOUR FORECAST

WINDY CONDITIONS ARE AFFECTING TAIWAN STRAIT.

SIGNIFICANT SWELL/HIGH SEAS

SEAS 6 M OVER GALES.

SWELL NE 3 M OVER TAIWAN STRAIT.

THUNDERSTORMS/SEVERE WEATHER

SCATTERED SQUALLY (SQ) SHOWERS (SH) AND THUNDERSTORMS (TS)

OVER GULF OF THAILAND AND SEAS NEAR MALAYSIA.

ISOLATED SQ SH AND TS OVER SOUTHERN PART OF THE SOUTH CHINA

SEA AND SEAS NEAR THE PHILIPPINES.

SEA FOG/REDUCED VISIBILITY

VISIBILITY DOWN TO 2000 M IN SQ SH AND TS.