IDW23100
40:2:2:24:12S092E999:11:00
SECURITE
OCEAN WIND WARNING FOR METAREA 10
Issued by the Australian Bureau of Meteorology
Tropical Cyclone Warning Centre
at 0703 UTC 17 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 0600 UTC Tropical Cyclone Bakung was centred within 20 nautical miles of
latitude eleven decimal seven south (11.7S)
longitude ninety two decimal five east (92.5E)
Recent movement : west at 3 knots
Maximum winds : 55 knots
Central pressure: 987 hPa
AREA AFFECTED
Within 55 nautical miles of the centre.
FORECAST
Maximum winds to 55 knots near the centre easing to 35 knots by 0600 UTC 18
December.
Winds above 48 knots within 25 nautical miles of centre with high seas and
heavy swell.
Winds above 34 knots within 35 nautical miles in NE quadrant
and within 45 nautical miles in SE quadrant
and within 55 nautical miles in SW quadrant
and within 30 nautical miles in NW quadrant with very rough seas and moderate.
Forecast positions
At 1800 UTC 17 December: Within 40 nautical miles of 10.9 south 91.9 east
Central pressure 994 hPa.
Winds to 45 knots near centre.
At 0600 UTC 18 December: Within 55 nautical miles of 10.1 south 90.9 east
Central pressure 1000 hPa.
Winds to 35 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 17 December 2025.
AUSTRALIAN BUREAU OF METEOROLOGY
TROPICAL CYCLONE WARNING CENTRE
IDW23200
40:2:2:24:12S113E999:11:00
SECURITE
OCEAN WIND WARNING FOR METAREA 10
Issued by the Australian Bureau of Meteorology
Tropical Cyclone Warning Centre
at 0647 UTC 17 DECEMBER 2025
GALE 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 Low was centred within 25 nautical miles of
latitude twelve decimal zero south (12.0S)
longitude one hundred and thirteen decimal four east (113.4E)
Recent movement : slow moving
Maximum winds : 35 knots
Central pressure: 997 hPa
AREA AFFECTED
Within 40 nautical miles in northwest and northeast quadrants
FORECAST
Maximum winds to 35 knots near the centre easing to 30 knots by 0600 UTC 18
December.
Winds above 34 knots within 40 nautical miles in northwest and northeast
quadrants until 0000 UTC 18 December, with rough seas and moderate swell.
Forecast positions
At 1800 UTC 17 December: Within 45 nautical miles of 12.4 south 112.9 east
Central pressure 998 hPa.
Winds to 35 knots
At 0600 UTC 18 December: Within 60 nautical miles of 12.4 south 112.1 east
Central pressure 1000 hPa.
Winds to 30 knots
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 17 December 2025.
AUSTRALIAN BUREAU OF METEOROLOGY
TROPICAL CYCLONE WARNING CENTRE
IDY10220
SECURITE
High Seas Forecast for Western METAREA 10
12S TO 30S BETWEEN 90E AND 125E, AND 30S TO 50S BETWEEN 80E AND 129E
Issued by the Australian Government Bureau of Meteorology
For 24 hours commencing 1100 UTC 17 December 2025
Part 1 Warnings
Refer to latest warnings for details of the area affected.
Gale Warning issued by TCWC for Tropical Cyclone "Bakung".
Gale Warning issued by TCWC for Tropical Low 03U.
Melbourne Gale Warning 8.
Melbourne Gale Warning 9.
Part 2 Situation at 170600 UTC
Tropical Cyclone 'Bakung' 987hPa near 11.7S092.5E. Forecast Tropical Cyclone
'Bakung' 1002hPa near 10.5S090.52E at 181200UTC.
Tropical Low (03U) 997hPa near 12S113.4E. Forecast low 1000hPa near 12.4S111.8E
at 181200UTC.
Low 1008hPa near 39S121E. Forecast weakening thereafter.
Trough 42S110E 50S112E. Forecast 40S117E 45S117E at 181200UTC.
Cold front 44S079E 50S090E. Forecast 38S091E 42S103E 50S109E at 181200UTC.
Part 3 Forecast
Refer to latest warnings for details of the area affected.
North of 16S, outside warning areas:
Clockwise winds 20/33 knots within 240nm of Tropical Cyclone 'Bakung' and 20/30
knots within 240nm of Tropical Low (03U). Rough seas. Low to moderate swell.
South of line 43S080E 41S097E 50S117E:
Northwesterly quarter winds east of front [2], shifting westerly quarter west
of front [2]. Wind speeds 20/33 knots. Moderate to rough seas. Moderate swell,
increasing to moderate to heavy south of line 45S080E 45S085E 50S089E.
Area enclosed by 22S115E 22S108E 35S112E 38S121E 34S123E, outside warning area:
Southeasterly quarter winds, shifting clockwise within 120nm of low. Wind speed
20/33 knots. Moderate to rough seas. Moderate swell.
Remainder:
Winds not exceeding 25 knots. Slight to moderate seas. Low to moderate swell.
Rain areas, scattered showers and isolated thunderstorms mostly within 240nm of
fronts and 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 20:00 UTC Wednesday.
IDY10210
SECURITE
High Seas Forecast for South Eastern METAREA 10
SOUTH EASTERN AREA: COAST AT 25S TO 25S170E TO 29S170E TO 45S160E TO 50S160E TO
50S129E TO COAST AT 129E
Issued by the Australian Government Bureau of Meteorology
For 24 hours commencing 1100 UTC 17 December 2025
Part 1 Warnings
Refer to latest warnings for details of the area affected.
Nil.
Part 2 Situation at 170600 UTC
Cold front 43S129E 50S150E. Forecast 40S142E 42S152E 45S161E at 181200UTC
Part 3 Forecast
Refer to latest warnings for details of the area affected.
West of line 41S146E 45S147E:
Northwesterly quarter winds within 240nm southeast of cold front. Wind speeds
20/33 knots. Moderate to rough seas. Moderate swell.
Remainder:
Winds not exceeding 25 knots. Slight to moderate seas. Low swell, increasing to
low to moderate swell east and south of line 25S157E 40S166E 39S129E.
Rain areas, scattered showers and isolated thunderstorms mostly within 240nm of
cold front. 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 20:00 UTC Wednesday.
IDY10230
SECURITE
High Seas Forecast for North Eastern METAREA 10
NORTHEASTERN AREA: EQUATOR TO 25S, 142E TO 170E
Issued by the Australian Government Bureau of Meteorology
For 24 hours commencing 1100 UTC 17 December 2025
Part 1 Warnings
Nil.
Part 2 Situation at 170600 UTC
Trough near 03S148E 09S156E 13S170E. Forecast slow moving.
Part 3 Forecast
South of line 12S143E 12S146E 18S156E 18S170E:
Southeasterly quarter winds 15/25 knots. Moderate to rough seas. Low to
moderate swell.
Remainder:
Winds not exceeding 20 knots. Slight to moderate seas. Low swell.
Rain areas, isolated showers and isolated thunderstorms mainly north of 20S.
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 20:00 UTC Wednesday.
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 17 DECEMBER 2025
PART 1 WARNINGS
REFER TO LATEST WARNINGS FOR DETAILS OF THE AREA AFFECTED.
GALE WARNING ISSUED BY TCWC FOR TROPICAL CYCLONE "BAKUNG".
GALE WARNING ISSUED BY TCWC FOR TROPICAL LOW 03U.
PART 2 SITUATION AT 170600 UTC
TROPICAL CYCLONE 'BAKUNG' 987HPA NEAR 11.7S092.5E. FORECAST TROPICAL
CYCLONE
'BAKUNG' 1002HPA NEAR 10.5S090.52E AT 181200UTC.
TROPICAL LOW (03U) 997HPA NEAR 12S113.4E. FORECAST LOW 1000HPA NEAR
12.4S111.8E
AT 181200UTC.
TROPICAL LOW (07U) 1004HPA NEAR 08S137E. FORECAST 1006HPA NEAR
10S137E AT
181200UTC.
PART 3 FORECAST
REFER TO LATEST WARNINGS FOR DETAILS OF THE AREA AFFECTED.
WHOLE AREA, OUTSIDE WARNING AREAS:
CLOCKWISE WINDS 20/33 KNOTS WITHIN 240NM OF TROPICAL CYCLONE 'BAKUNG'
AND 20/30
KNOTS WITHIN 240NM OF TROPICAL LOW (03U). ROUGH SEAS. LOW TO MODERATE
SWELL.
REMAINDER:
WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL.
RAIN AREAS, SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGHOUT,
HEAVY AT
TIMES WITHIN 180NM 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 19:15 UTC WEDNESDAY.=