WARNING 210000.
WARNING VALID 220000.
WARNING IS UPDATED EVERY 6 HOURS.
TYPHOON WARNING.
SEVERE TROPICAL STORM 2618 SAUDEL (2618) 985 HPA
AT 14.3N 149.5E MARIANAS MOVING NORTHNORTHWEST 12 KNOTS.
POSITION FAIR.
MAX WINDS 50 KNOTS NEAR CENTER.
RADIUS OF OVER 30 KNOT WINDS 180 MILES SOUTH SEMICIRCLE AND 150 MILES
ELSEWHERE.
FORECAST POSITION FOR 211200UTC AT 16.0N 148.0E WITH 35 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
970 HPA, MAX WINDS 65 KNOTS NEAR CENTER.
FORECAST POSITION FOR 220000UTC AT 17.8N 146.7E WITH 50 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
960 HPA, MAX WINDS 75 KNOTS NEAR CENTER.
EXTENDED OUTLOOK.
FORECAST POSITION FOR 230000UTC AT 21.1N 142.5E WITH 70 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
925 HPA, MAX WINDS 95 KNOTS NEAR CENTER.
FORECAST POSITION FOR 240000UTC AT 23.6N 136.8E WITH 100 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
925 HPA, MAX WINDS 95 KNOTS NEAR CENTER.
FORECAST POSITION FOR 250000UTC AT 25.3N 132.1E WITH 125 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
945 HPA, MAX WINDS 85 KNOTS NEAR CENTER.
FORECAST POSITION FOR 260000UTC AT 26.9N 128.5E WITH 180 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
965 HPA, MAX WINDS 70 KNOTS NEAR CENTER.
JAPAN METEOROLOGICAL AGENCY.=
WARNING 202100.
WARNING VALID 212100.
TYPHOON WARNING.
SEVERE TROPICAL STORM 2618 SAUDEL (2618) 990 HPA
AT 13.5N 149.6E MARIANAS MOVING NORTHNORTHWEST 11 KNOTS.
POSITION FAIR.
MAX WINDS 50 KNOTS NEAR CENTER.
RADIUS OF OVER 30 KNOT WINDS 180 MILES SOUTH SEMICIRCLE AND 150 MILES
ELSEWHERE.
FORECAST POSITION FOR 210900UTC AT 15.5N 148.4E WITH 40 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
980 HPA, MAX WINDS 60 KNOTS NEAR CENTER.
FORECAST POSITION FOR 212100UTC AT 17.3N 147.1E WITH 57 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
965 HPA, MAX WINDS 70 KNOTS NEAR CENTER.
JAPAN METEOROLOGICAL AGENCY.=
2:1:31:11:01:00
BT
SECURITE =
MESSAGE FOR METAREA XI (CHINA) ISSUED BY NMC BEIJING
AT 2215UTC AUG.20 2026 =
MESSAGE IS UPDATED EVERY 06 HOURS =
SYNOPSIS VALID 1800UTC AUG.20 =
FCST VALID 1800UTC AUG.21 =
WARNNING=
NIL=
SUMMARY=
ELY WINDS FROM 10 TO 12M/S GUSTS 14M/S SEAS UP TO
1.5M OVER NORTHERN PART OF EAST CHINA SEA=
WLY WINDS FROM 10 TO 12M/S GUSTS 14M/S SEAS UP TO
1.5M OVER SEA EAST OF TAIWAN=
SW/SLY WINDS FROM 10 TO 14M/S GUSTS 18M/S SEAS UP
TO 2.0M OVER BASHI CHANNEL AND NORTHERN PART OF
SOUTH CHINA SEA=
CYCLONIC WINDS FROM 10 TO 12M/S GUSTS 14M/S SEAS
UP TO 1.5M OVER BEIBU GULF=
HORIZONTAL VISIBILITY LESS THAN 10KM OVER BOHAI
SEA AND CENTRAL PART OF YELLOW SEA AND WESTERN
PART OF EAST CHINA SEA AND BASHI CHANNEL AND
NORTHERN PART OF SOUTH CHINA SEA AND BEIBU GULF
AND WEST CENTRAL SOUTH CHINA SEA AND JAPAN SEA AND
KOREA STRAIT AND SEA WEST OF GUAM 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 AND LAUT BANDA=
FCST=
NORTHERN PART OF EAST CHINA SEA
E WINDS VEER SE 08 TO 12M/S GUSTS 12 TO 16M/S SEA
STATE MODERATE LIGHT RAIN VIS MODERATE=
SOUTHERN PART OF EAST CHINA SEA
SE WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE
MODERATE LIGHT RAIN VIS MODERATE=
SEA EAST OF TAIWAN
SW WINDS 12 TO 16M/S GUSTS 16 TO 20M/S SEA STATE
MODERATE MODERATE RAIN BECMG LIGHT RAIN VIS
MODERATE=
BASHI CHANNEL
SW WINDS 12 TO 16M/S GUSTS 16 TO 20M/S SEA STATE
MODERATE MODERATE RAIN BECMG LIGHT RAIN VIS
MODERATE=
BEIBU GULF
W 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=
QIONGZHOU STRAIT
SE WINDS 08 TO 12M/S GUSTS 12 TO 16M/S VEER SW
WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE
MODERATE TO SLIGHT CLOUDY VIS GOOD=
NORTHWESTERN PART OF SOUTH CHINA SEA
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 BECMG CLOUDY VIS MODERATE TO GOOD=
NORTHEASTERN PART OF SOUTH CHINA SEA
SW WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE
ROUGH TO MODERATE MODERATE RAIN BECMG LIGHT RAIN
VIS MODERATE=
WEST CENTRAL SOUTH CHINA SEA
SW 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 CLOUDY VIS GOOD=
EAST CENTRAL SOUTH CHINA SEA
SW 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 CLOUDY VIS GOOD=
SOUTHWESTERN PART OF SOUTH CHINA SEA
SW WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE
MODERATE CLOUDY VIS GOOD=
SOUTHEASTERN PART OF SOUTH CHINA SEA
SW WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE
MODERATE CLOUDY VIS GOOD=
SEA EAST OF RYUKYU ISLANDS
SW WINDS BACK S 08 TO 12M/S GUSTS 12 TO 16M/S SEA
STATE MODERATE MODERATE RAIN VIS MODERATE=
SEA WEST OF GUAM
W WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE
MODERATE MODERATE RAIN VIS MODERATE=
SEA NORTHEAST OF INDONESIA
W WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE
MODERATE CLOUDY VIS GOOD=
ANDAMAN SEA
SW WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE
MODERATE MODERATE RAIN VIS MODERATE=
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 201800.
WARNING VALID 211800.
WARNING IS UPDATED EVERY 6 HOURS.
GALE WARNING.
DEVELOPED LOW 1006 HPA
AT 38N 159E FAR OFF EAST OF JAPAN MOVING NORTH SLOWLY.
WINDS 30 TO 35 KNOTS WITHIN 200 MILES OF LOW.
EXPECTED WINDS 30 TO 35 KNOTS WITHIN 200 MILES OF LOW FOR NEXT 6
HOURS.
WARNING.
TROPICAL DEPRESSION 998 HPA
AT 20.6N 108.6E GULF OF TONGKING MOVING NW 08 KNOTS.
POSITION FAIR.
MAX WINDS 30 KNOTS NEAR CENTER.
WARNING.
DENSE FOG OBSERVED LOCALLY OVER SEA OF OKHOTSK JAPAN SEA.
WARNING.
DENSE FOG OBSERVED LOCALLY OVER WATERS BOUNDED BY 36N 141E 42N 141E
47N 152E 55N 162E 60N 163E 60N 180E 45N 180E 31N 172E 31N 166E 40N
163E 40N 150E 36N 141E.
SUMMARY.
LOW 1006 HPA AT 52N 131E ENE 15 KT.
LOW 1004 HPA AT 59N 166E ENE 25 KT.
TROPICAL DEPRESSION 1004 HPA AT 25N 124E ALMOST STATIONARY.
LOW PRESSURE AREA 1008 HPA NEAR 06N 176E WEST SLOWLY.
HIGH 1014 HPA AT 41N 130E ESE SLOWLY.
HIGH 1014 HPA AT 46N 141E SSE SLOWLY.
HIGH 1016 HPA AT 35N 147E SSE SLOWLY.
HIGH 1028 HPA AT 44N 180E SE SLOWLY.
STATIONARY FRONT FROM 36N 134E TO 39N 140E 43N 145E 45N 149E 49N 151E
52N 152E 54N 155E 55N 158E.
REMARKS.
SEVERE TROPICAL STORM 2618 SAUDEL (2618) 990 HPA AT 13.2N 149.5E :
SEE TROPICAL CYCLONE WARNING.
24 HOUR FORECAST.
SEA OF OKHOTSK
WIND S 25KT
SEAS 2 M.
JAPAN SEA
WIND SW 20KT
SEAS 2 M.
BOHAI AND YELLOW SEA
WIND SE 20KT
SEAS 2 M.
EAST CHINA SEA
WIND SE 30KT
SEAS 3 M.
SOUTH CHINA SEA AND GULF OF TONGKING
WIND SW 30KT
SEAS 4 M.
SEA AROUND KURILS
WIND S 20KT
SEAS 2 M.
SEA EAST OF KURILS
WIND SW 20KT
SEAS 2 M.
SEA EAST OF JAPAN
WIND SW 20KT
SEAS 2 M.
FAR OFF EAST OF JAPAN
WIND S 35KT
SEAS 3 M.
SEA SOUTH OF JAPAN
WIND SE 15KT
SEAS 3 M.
SEA SOUTH OF OKINAWA
WIND SW 30KT
SEAS 3 M.
CHICHIJIMA
WIND E 30KT
SEAS 4 M WITH MODERATE SWELL.
MINAMITORISHIMA
WIND SE 40KT
SEAS 6 M WITH MODERATE SWELL.
SEA EAST OF PHILIPPINES
WIND SW 25KT
SEAS 3 M.
SEA EAST OF MINDANAO AND CELEBES SEA AND SULU SEA
WIND SW 20KT
SEAS 1 M.
MARIANAS
WIND SE 70KT
SEAS 8 M WITH HEAVY SWELL.
TRUK AND CAROLINES
WIND S 45KT
SEAS 6 M.
WAKE
WIND NE 15KT
SEAS 2 M.
MARSHALLS
WIND S 15KT
SEAS 2 M.
MIDWAY
WIND NE 15KT
SEAS 2 M WITH MODERATE SWELL.
SEA SOUTH OF ALEUTIANS
WIND SE 30KT
SEAS 2 M.
BERING SEA AND SEA AROUND ALEUTIANS AND SEA EAST OF KAMCHATKA
WIND SW 30KT
SEAS 3 M.
HONG KONG METEOROLOGICAL SERVICE PROVIDES THE FOLLOWING
WARNING/INFORMATION FOR THE SOUTH CHINA SEA.
WARNINGS
TROPICAL DEPRESSION (TD) OVER GULF OF TONKIN: NIL.
SYNOPSIS (201800UTC) AND 24-HOUR FORECAST
AT 201800UTC, TD OVER GULF OF TONKIN WITH CENTRAL PRESSURE
996 HPA AND MAXIMUM WINDS 25 KTS WAS CENTERED WITHIN 60 NM
OF 20.0N 108.7E AND IS FORECAST TO MOVE N SLOWLY FOR THE
NEXT 24 HOURS.
FORECAST POSITION AT 211800UTC: 20.8N, 108.5E
SIGNIFICANT SWELL/HIGH SEAS
NIL.
THUNDERSTORMS/SEVERE WEATHER
FREQUENT HEAVY SQUALLY (SQ) SHOWERS (SH) AND THUNDERSTORMS
(TS) WITHIN 180 NM FROM CENTRE OF TD.
OCCASIONAL HEAVY SQ SH AND TS OVER SEAS NEAR TAIWAN,
NORTHERN PART OF THE SOUTH CHINA SEA (SCS), SEAS NEAR
HAINAN AND LUZON STRAIT.
SCATTERED SQ SH AND TS OVER THE EAST CHINA SEA, SEAS NEAR
LUZON AND CENTRAL PART OF THE SCS.
ISOLATED SQ SH AND TS OVER SOUTHERN PART OF THE SCS AND
GULF OF THAILAND.
SEA FOG/REDUCED VISIBILITY
VISIBILITY DOWN TO 500 M IN SQ SH AND TS.
JAPAN METEOROLOGICAL AGENCY.=
40:1:31:11:01:00
HONG KONG METEOROLOGICAL SERVICE PROVIDES THE FOLLOWING
WARNING/INFORMATION FOR THE SOUTH CHINA SEA.
WARNINGS
TROPICAL DEPRESSION (TD) OVER GULF OF TONKIN: NIL.
SYNOPSIS (201800UTC) AND 24-HOUR FORECAST
AT 201800UTC, TD OVER GULF OF TONKIN WITH CENTRAL PRESSURE
996 HPA AND MAXIMUM WINDS 25 KTS WAS CENTERED WITHIN 60 NM
OF 20.0N 108.7E AND IS FORECAST TO MOVE N SLOWLY FOR THE
NEXT 24 HOURS.
FORECAST POSITION AT 211800UTC: 20.8N, 108.5E
SIGNIFICANT SWELL/HIGH SEAS
NIL.
THUNDERSTORMS/SEVERE WEATHER
FREQUENT HEAVY SQUALLY (SQ) SHOWERS (SH) AND THUNDERSTORMS
(TS) WITHIN 180 NM FROM CENTRE OF TD.
OCCASIONAL HEAVY SQ SH AND TS OVER SEAS NEAR TAIWAN,
NORTHERN PART OF THE SOUTH CHINA SEA (SCS), SEAS NEAR
HAINAN AND LUZON STRAIT.
SCATTERED SQ SH AND TS OVER THE EAST CHINA SEA, SEAS NEAR
LUZON AND CENTRAL PART OF THE SCS.
ISOLATED SQ SH AND TS OVER SOUTHERN PART OF THE SCS AND
GULF OF THAILAND.
SEA FOG/REDUCED VISIBILITY
VISIBILITY DOWN TO 500 M IN SQ SH AND TS.
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 20 AUGUST 2026
PART 1 WARNINGS
NIL.
PART 2 SITUATION AT 201800 UTC
NIL SIGNIFICANT FEATURES.
PART 3 FORECAST
EAST OF LINE EQ129E 03S108E 06S108E 12S114E:
SOUTHEASTERLY QUARTER WINDS 15/25 KNOTS. MODERATE TO ROUGH SEAS. LOW
SWELL,
INCREASING TO MODERATE SOUTH OF LINE 08S110E 09S114E 09S119E.
REMAINDER:
WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW TO
MODERATE SWELL.
RAIN AREAS, SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGHOUT
AREA EXCEPT
SOUTH OF LINE 11S127E 08S108E 01S090E. 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 FRIDAY.=