Overall Green Tropical Cyclone for HAYLEY-25
in Australia

Global Telecommunication Service

GTS (Global Telecommunication Service) is the official Warning and Alerting channel by the World Meteorological Organization (WMO) adopted by several Warning Organizations. As soon as a new GTS message regarding Tropical Cyclones(WT) or Tsunami(WE) the messages are processed and possibly assigned to the specific event. When a new GTS message is present an new tab in the specific event report page is present.The presence of a GTS message is shown in the homepage with a dedicated icon.

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Original Message :

WTAU05 APRF 301252
IDW23100

40:2:2:24:17S123E999:11:00
SECURITE

OCEAN WIND WARNING FOR METAREA 10
Issued by the Australian Bureau of Meteorology
Tropical Cyclone Warning Centre
at 1252 UTC 30 DECEMBER 2025

STORM FORCE WIND WARNING

Please be aware, wind gusts can be a further 40 percent stronger than the
averages given here, and maximum waves may be up to twice the height.

SITUATION
At 1200 UTC Tropical Cyclone Hayley was centred within 10 nautical miles of
latitude sixteen decimal seven south (16.7S)
longitude one hundred and twenty three decimal three east (123.2E)
Recent movement : east southeast at 11 knots
Maximum winds : 60 knots
Central pressure: 980 hPa

AREA AFFECTED
Within 35 nautical miles of the centre.

FORECAST
Maximum winds to 60 knots near the centre easing to 30 knots by 0000 UTC 31
December.

Winds above 48 knots within 20 nautical miles of centre until 1800 UTC 30
December with very rough seas and moderate swell.

Winds above 34 knots within 35 nautical miles of centre until 0000 UTC 31
December with rough seas and moderate swell.

Forecast positions
At 0000 UTC 31 December: Within 30 nautical miles of 16.8 south 124.7 east
(over land)
Central pressure 994 hPa.
Winds to 30 knots near centre.
At 1200 UTC 31 December: Within 60 nautical miles of 16.9 south 125.8 east
(over land)
Central pressure 997 hPa.
Winds to 30 knots near centre.

REMARKS
All ships in the area please send weather reports every three hours.
Regular weather observing ships use normal channels.
Other ships please use email to tcwc@bom.gov.au.

Next warning will be issued by 1900 UTC 30 December 2025.

AUSTRALIAN BUREAU OF METEOROLOGY
TROPICAL CYCLONE WARNING CENTRE


Original Message :

WTAU05 APRF 300644
IDW23100

40:2:2:24:16S122E999:11:00
SECURITE

OCEAN WIND WARNING FOR METAREA 10
Issued by the Australian Bureau of Meteorology
Tropical Cyclone Warning Centre
at 0644 UTC 30 DECEMBER 2025

HURRICANE FORCE WIND WARNING

Please be aware, wind gusts can be a further 40 percent stronger than the
averages given here, and maximum waves may be up to twice the height.

SITUATION
At 0600 UTC Severe Tropical Cyclone Hayley was centred within 10 nautical miles
of
latitude sixteen decimal five south (16.4S)
longitude one hundred and twenty two decimal one east (122.1E)
Recent movement : east at 9 knots
Maximum winds : 70 knots
Central pressure: 973 hPa

AREA AFFECTED
Within 45 nautical miles of the centre.

FORECAST
Maximum winds to 70 knots near the centre easing to 50 knots by 1800 UTC 30
December.

Winds above 64 knots within 10 nautical miles of centre with very high seas,
easing after 1200 UTC 30 December.

Winds above 48 knots within 25 nautical miles of centre with very rough to high
seas and moderate swell, easing after 1800 UTC 30 December.

Winds above 34 knots within 45 nautical miles of centre with rough seas and
moderate swell.

Forecast positions
At 1800 UTC 30 December: Within 30 nautical miles of 16.6 south 123.6 east
Central pressure 987 hPa.
Winds to 50 knots near centre.
At 0600 UTC 31 December: Within 50 nautical miles of 16.8 south 124.9 east
Central pressure 999 hPa.
Winds to 30 knots near centre.

REMARKS
All ships in the area please send weather reports every three hours.
Regular weather observing ships use normal channels.
Other ships please use email to tcwc@bom.gov.au.

Next warning will be issued by 1300 UTC 30 December 2025.

AUSTRALIAN BUREAU OF METEOROLOGY
TROPICAL CYCLONE WARNING CENTRE


Original Message :

WTAU05 APRF 300048
IDW23100

40:2:2:24:16S121E999:11:00
SECURITE

OCEAN WIND WARNING FOR METAREA 10
Issued by the Australian Bureau of Meteorology
Tropical Cyclone Warning Centre
at 0048 UTC 30 DECEMBER 2025

HURRICANE FORCE WIND WARNING

Please be aware, wind gusts can be a further 40 percent stronger than the
averages given here, and maximum waves may be up to twice the height.

SITUATION
At 0000 UTC Severe Tropical Cyclone Hayley was centred within 15 nautical miles
of
latitude sixteen decimal three south (16.3S)
longitude one hundred and twenty one decimal two east (121.2E)
Recent movement : east southeast at 8 knots
Maximum winds : 85 knots
Central pressure: 960 hPa

AREA AFFECTED
Within 50 nautical miles of the centre.

FORECAST
Maximum winds to 85 knots near the centre easing to 55 knots by 1800 UTC 30
December.

Winds above 64 knots within 15 nautical miles of centre with very high seas,
easing after 1200 UTC 30 December.

Winds above 48 knots within 30 nautical miles of centre with very rough to high
seas and moderate swell, easing after 1800 UTC 30 December.

Winds above 34 knots within 50 nautical miles of centre with rough seas and
moderate swell.

Forecast positions
At 1200 UTC 30 December: Within 35 nautical miles of 16.4 south 122.6 east
Central pressure 977 hPa.
Winds to 65 knots near centre.
At 0000 UTC 31 December: Within 55 nautical miles of 16.4 south 123.9 east
Central pressure 990 hPa.
Winds to 45 knots near centre.

REMARKS
All ships in the area please send weather reports every three hours.
Regular weather observing ships use normal channels.
Other ships please use email to tcwc@bom.gov.au.

Next warning will be issued by 0700 UTC 30 December 2025.

AUSTRALIAN BUREAU OF METEOROLOGY
TROPICAL CYCLONE WARNING CENTRE


Original Message :

WTAU05 APRF 291858
IDW23100

40:2:2:24:16S120E999:11:00
SECURITE

OCEAN WIND WARNING FOR METAREA 10
Issued by the Australian Bureau of Meteorology
Tropical Cyclone Warning Centre
at 1858 UTC 29 DECEMBER 2025

HURRICANE FORCE WIND WARNING

Please be aware, wind gusts can be a further 40 percent stronger than the
averages given here, and maximum waves may be up to twice the height.

SITUATION
At 1800 UTC Severe Tropical Cyclone Hayley was centred within 15 nautical miles
of
latitude sixteen decimal one south (16.1S)
longitude one hundred and twenty decimal four east (120.3E)
Recent movement : southeast at 6 knots
Maximum winds : 90 knots
Central pressure: 952 hPa

AREA AFFECTED
Within 50 nautical miles of the centre.

FORECAST
Maximum winds to 90 knots near the centre easing to 55 knots by 1800 UTC 30
December.

Winds above 64 knots within 15 nautical miles of centre with very high seas.

Winds above 48 knots within 30 nautical miles of centre with very rough to high
seas and moderate swell.

Winds above 34 knots within 50 nautical miles of centre with rough seas and
moderate swell.

Forecast positions
At 0600 UTC 30 December: Within 35 nautical miles of 16.5 south 121.7 east
Central pressure 967 hPa.
Winds to 75 knots near centre.
At 1800 UTC 30 December: Within 50 nautical miles of 16.6 south 123.3 east
Central pressure 982 hPa.
Winds to 55 knots near centre.

REMARKS
All ships in the area please send weather reports every three hours.
Regular weather observing ships use normal channels.
Other ships please use email to tcwc@bom.gov.au.

Next warning will be issued by 0100 UTC 30 December 2025.

AUSTRALIAN BUREAU OF METEOROLOGY
TROPICAL CYCLONE WARNING CENTRE


Original Message :

WTAU05 APRF 291248
IDW23100

40:2:2:24:16S120E999:11:00
SECURITE

OCEAN WIND WARNING FOR METAREA 10
Issued by the Australian Bureau of Meteorology
Tropical Cyclone Warning Centre
at 1248 UTC 29 DECEMBER 2025

HURRICANE FORCE WIND WARNING

Please be aware, wind gusts can be a further 40 percent stronger than the
averages given here, and maximum waves may be up to twice the height.

SITUATION
At 1200 UTC Severe Tropical Cyclone Hayley was centred within 15 nautical miles
of
latitude fifteen decimal seven south (15.7S)
longitude one hundred and nineteen decimal nine east (119.9E)
Recent movement : southeast at 6 knots
Maximum winds : 65 knots
Central pressure: 977 hPa

AREA AFFECTED
Within 50 nautical miles of the centre.

FORECAST
Maximum winds to 65 knots near the centre increasing to 85 knots by 0000 UTC 30
December.

Winds above 64 knots within 20 nautical miles of centre with very high seas.

Winds above 48 knots within 30 nautical miles of centre with very rough to high
seas and moderate swell.

Winds above 34 knots within 50 nautical miles of centre with rough seas and
moderate swell.

Forecast positions
At 0000 UTC 30 December: Within 40 nautical miles of 16.3 south 121.0 east
Central pressure 959 hPa.
Winds to 85 knots near centre.
At 1200 UTC 30 December: Within 55 nautical miles of 16.5 south 122.5 east
Central pressure 969 hPa.
Winds to 75 knots near centre.

REMARKS
All ships in the area please send weather reports every three hours.
Regular weather observing ships use normal channels.
Other ships please use email to tcwc@bom.gov.au.

Next warning will be issued by 1900 UTC 29 December 2025.

AUSTRALIAN BUREAU OF METEOROLOGY
TROPICAL CYCLONE WARNING CENTRE


Original Message :

WTAU05 APRF 290654
IDW23100

40:2:2:24:15S120E999:11:00
SECURITE

OCEAN WIND WARNING FOR METAREA 10
Issued by the Australian Bureau of Meteorology
Tropical Cyclone Warning Centre
at 0654 UTC 29 DECEMBER 2025

HURRICANE FORCE WIND WARNING

Please be aware, wind gusts can be a further 40 percent stronger than the
averages given here, and maximum waves may be up to twice the height.

SITUATION
At 0600 UTC Tropical Cyclone Hayley was centred within 20 nautical miles of
latitude fifteen decimal two south (15.2S)
longitude one hundred and nineteen decimal six east (119.5E)
Recent movement : south southeast at 5 knots
Maximum winds : 55 knots
Central pressure: 982 hPa

AREA AFFECTED
Within 50 nautical miles of the centre.

FORECAST
Maximum winds to 55 knots near the centre increasing to 85 knots by 0000 UTC 30
December.

Winds above 64 knots within 20 nautical miles of centre from 1200 UTC 29
December with very high seas.

Winds above 48 knots within 30 nautical miles of centre with very rough to high
seas and moderate swell.

Winds above 34 knots within 50 nautical miles of centre with rough seas and
moderate swell.

Forecast positions
At 1800 UTC 29 December: Within 40 nautical miles of 16.0 south 120.6 east
Central pressure 966 hPa.
Winds to 75 knots near centre.
At 0600 UTC 30 December: Within 55 nautical miles of 16.4 south 121.9 east
Central pressure 957 hPa.
Winds to 85 knots near centre.

REMARKS
All ships in the area please send weather reports every three hours.
Regular weather observing ships use normal channels.
Other ships please use email to tcwc@bom.gov.au.

Next warning will be issued by 1300 UTC 29 December 2025.

AUSTRALIAN BUREAU OF METEOROLOGY
TROPICAL CYCLONE WARNING CENTRE


Original Message :

WTXS51 PGTW 290300
WARNING ATCG MIL 10S SIO 251229013134
2025122900 10S HAYLEY 004 02 180 06 SATL 040
T000 147S 1194E 055 R050 020 NE QD 020 SE QD 020 SW QD 020 NW QD R034 035 NE QD 030 SE QD 030 SW QD 035 NW QD
T012 157S 1200E 065 R064 010 NE QD 010 SE QD 010 SW QD 010 NW QD R050 020 NE QD 020 SE QD 020 SW QD 020 NW QD R034 050 NE QD 040 SE QD 030 SW QD 040 NW QD
T024 163S 1211E 075 R064 015 NE QD 015 SE QD 015 SW QD 015 NW QD R050 030 NE QD 030 SE QD 025 SW QD 030 NW QD R034 060 NE QD 050 SE QD 040 SW QD 050 NW QD
T036 166S 1226E 055 R050 020 NE QD 020 SE QD 020 SW QD 020 NW QD R034 050 NE QD 040 SE QD 040 SW QD 050 NW QD
T048 167S 1241E 040 R034 040 NE QD 030 SE QD 040 SW QD 040 NW QD
T072 168S 1265E 025
AMP
048HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
072HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
SUBJ: TROPICAL CYCLONE 10S (HAYLEY) WARNING NR 004
1. TROPICAL CYCLONE 10S (HAYLEY) WARNING NR 004
02 ACTIVE TROPICAL CYCLONES IN SOUTHIO
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
290000Z --- NEAR 14.7S 119.4E
MOVEMENT PAST SIX HOURS - 180 DEGREES AT 06 KTS
POSITION ACCURATE TO WITHIN 040 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 050 KT WINDS - 020 NM NORTHEAST QUADRANT
020 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 035 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
030 NM SOUTHWEST QUADRANT
035 NM NORTHWEST QUADRANT
REPEAT POSIT: 14.7S 119.4E
---
FORECASTS:
12 HRS, VALID AT:
291200Z --- 15.7S 120.0E
MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 010 NM NORTHEAST QUADRANT
010 NM SOUTHEAST QUADRANT
010 NM SOUTHWEST QUADRANT
010 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 020 NM NORTHEAST QUADRANT
020 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
030 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 120 DEG/ 06 KTS
---
24 HRS, VALID AT:
300000Z --- 16.3S 121.1E
MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 015 NM NORTHEAST QUADRANT
015 NM SOUTHEAST QUADRANT
015 NM SOUTHWEST QUADRANT
015 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 030 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
025 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT
050 NM SOUTHEAST QUADRANT
040 NM SOUTHWEST QUADRANT
050 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 100 DEG/ 07 KTS
---
36 HRS, VALID AT:
301200Z --- 16.6S 122.6E
MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 050 KT WINDS - 020 NM NORTHEAST QUADRANT
020 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
040 NM SOUTHWEST QUADRANT
050 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 095 DEG/ 07 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
310000Z --- 16.7S 124.1E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
040 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
VECTOR TO 72 HR POSIT: 095 DEG/ 06 KTS
---
72 HRS, VALID AT:
010000Z --- 16.8S 126.5E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
---
REMARKS:
290300Z POSITION NEAR 15.0S 119.5E.
29DEC25. TROPICAL CYCLONE 10S (HAYLEY), LOCATED APPROXIMATELY 251
NM NORTHWEST OF BROOME, AUSTRALIA, HAS TRACKED SOUTHWARD AT 06
KNOTS OVER THE PAST SIX HOURS.
MINIMUM CENTRAL PRESSURE AT 290000Z IS 988 MB. MAXIMUM
SIGNIFICANT WAVE HEIGHT AT 290000Z IS 15 FEET.
NEXT WARNINGS AT 290900Z, 291500Z, 292100Z AND 300300Z.
FOR TWELVE-HOURLY UPDATES.//
1025122512 128S1171E 15
1025122518 128S1175E 15
1025122600 127S1178E 20
1025122606 125S1181E 20
1025122612 122S1183E 20
1025122618 119S1186E 20
1025122700 118S1189E 20
1025122706 118S1193E 20
1025122712 119S1198E 20
1025122718 121S1200E 25
1025122800 126S1198E 30
1025122806 131S1195E 35
1025122812 136S1194E 40
1025122818 141S1194E 45
1025122900 147S1194E 55
1025122900 147S1194E 55
NNNN