IDW23200
40:2:2:24:12S093E999:11:00
SECURITE
OCEAN WIND WARNING FOR METAREA 10
Issued by the Australian Bureau of Meteorology
Tropical Cyclone Warning Centre
at 0652 UTC 26 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 Grant was centred within 25 nautical miles of
latitude eleven decimal eight south (11.8S)
longitude ninety two decimal eight east (92.8E)
Recent movement : west northwest at 8 knots
Maximum winds : 50 knots
Central pressure: 990 hPa
AREA AFFECTED
Within 80 nautical miles of the centre.
FORECAST
Maximum winds to 50 knots near the centre.
Winds above 48 knots within 20 nautical miles in SE quadrant
and within 40 nautical miles in SW quadrant with very rough seas and moderate
swell.
Winds above 34 knots within 20 nautical miles in NE quadrant
and within 50 nautical miles in SE quadrant
and within 80 nautical miles in SW quadrant
and within 30 nautical miles in NW quadrant with rough seas and moderate
swell.
Forecast positions
At 1800 UTC 26 December: Within 45 nautical miles of 11.9 south 91.5 east
Central pressure 991 hPa.
Winds to 50 knots
At 0600 UTC 27 December: Within 60 nautical miles of 12.0 south 89.8 east
Central pressure 988 hPa.
Winds to 55 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 26 December 2025.
AUSTRALIAN BUREAU OF METEOROLOGY
TROPICAL CYCLONE WARNING CENTRE
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 26 December 2025
Part 1 Warnings
Nil.
Part 2 Situation at 260600 UTC
Trough near 22S150E 25S157E. Forecast near 18S148E 19S157E 25S165E at 271200UTC.
Part 3 Forecast
South of line 19S147E 16S159E 23S170E:
Northwesterly quarter winds east of trough, shifting southeasterly quarter
south of trough. Wind speeds 20/30 knots. Rough seas. Low to medium swell.
Whole area:
Winds not exceeding 20 knots. Slight to moderate seas. Low swell.
Rain areas, isolated showers and isolated thunderstorms throughout area. Heavy
at times within 120nm of trough. 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 Friday.
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 26 December 2025
Part 1 Warnings
Refer to latest warnings for details of the area affected.
Melbourne Storm Force Wind Warning 2.
Part 2 Situation at 260600 UTC
Low 1002hPa near 25S157E to trough near 31S169E. Forecast trough near 25S165E
to low 1001hPa near 27S167E to 28S170E at 271200UTC.
Cold front west of area, forecast to enter near 37S130E 43S130E 46S129E at
270300UTC, and forecast near 37S133E 46S133E 49S129E at 271200UTC.
Part 3 Forecast
Refer to latest warnings for boundary of affected area and type of weather
system.
East of line 32S129E 32S131E 37S136E 50S140E, outside warning areas:
Southwesterly quarter winds, shifting northerly quarter east of cold front.
Wind speeds 20/33 knots. Rough to very rough seas. Moderate to heavy swell.
North of line 31S153E 26S167E:
Northeasterly quarter winds, turning clockwise within 180nm of low. Wind speeds
20/30 knots. Rough seas. Moderate swell.
West of line 34S151E 40S148E 46S147E 50S151E:
Northerly quarter winds 20/30 knots. Rough seas. Low to moderate swell.
Remainder:
Winds not exceeding 25 knots. Moderate to rough seas. Low swell to moderate
swell.
Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of
trough, cold front, and low. Heavy at times within 120nm of low. 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 Friday.
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 26 December 2025
Part 1 Warnings
Refer to latest warnings for details of the area affected.
Storm Force Wind Warning issued by TCWC Melbourne for Tropical Cyclone "Grant".
Melbourne Storm Force Wind Warning 2.
Part 2 Situation at 260600 UTC
Tropical Cyclone "Grant" 990hPa near 11.9S92.9E. Forecast Tropical Cyclone
"Grant" 987hPa near 12.2S88.8E at 271200UTC.
Trough near 12S118E to tropical low (08U) 1003hPa near 13S119E to trough
15S120E. Forecast trough near 12S120E to tropical low (08U) near 13S120E to
trough near 16S116E 19S117E at 271200UTC.
Cold front near 32S120E 39S120E to low 983hPa near 44S114E. Forecast cold front
near 49S129E to low 981hPa near 50S127E at 271200UTC.
Part 3 Forecast
Refer to latest warnings for boundary of affected area and type of weather
system.
Within 240nm of Tropical Cyclone "Grant", outside of warning area:
Clockwise winds around Tropical Cyclone "Grant". Wind speeds 20/33 knots. Rough
to very rough seas. Moderate to heavy swell.
South of line 44S080E 39S102E 34S114E 32S129E, outside warning area:
Southwesterly quarter winds, shifting northerly quarter east of cold front, and
clockwise within 300nm of low. Winds turning clockwise within 360nm of low.
Wind speeds 20/30 knots. Rough seas. Moderate to heavy swell.
East of line 18S108E 29S109E 31S114E:
Southerly quarter winds 20/30 knots. Rough seas. Low to moderate swell.
West of line 20S100E 24S100E:
Southeasterly quarter winds 20/30 knots. 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 180nm of
front, trough and lows. Heavy at times within 180nm of Tropical Cyclone
"Grant", 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 Friday.
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 26 DECEMBER 2025
PART 1 WARNINGS
REFER TO LATEST WARNINGS FOR DETAILS OF THE AREA AFFECTED.
STORM FORCE WIND WARNING ISSUED BY TCWC MELBOURNE FOR TROPICAL
CYCLONE "GRANT".
PART 2 SITUATION AT 260600 UTC
TROPICAL CYCLONE "GRANT" 990HPA NEAR 11.9S92.9E. FORECAST TROPICAL
CYCLONE
"GRANT" 987HPA NEAR 12.2S88.8E AT 271200UTC.
TROUGH [1] NEAR 10S099E 10S096E 12S093E. FORECAST TROUGH [1] NEAR
10S093E
12S090E AT 271200UTC.
TROUGH [2] NEAR 10S115E 12S118E. FORECAST TROUGH [2] NEAR 10S117E
12S120E AT
271200UTC.
PART 3 FORECAST
REFER TO LATEST WARNINGS FOR BOUNDARY OF AFFECTED AREA AND TYPE OF
WEATHER
SYSTEM.
WITHIN 120NM OF TROPICAL CYCLONE GRANT, OUTSIDE WARNING AREA:
CLOCKWISE WINDS AROUND TROPICAL CYCLONE GRANT. WIND SPEEDS 20/33
KNOTS. ROUGH
TO VERY ROUGH SEAS. MODERATE TO HEAVY SWELL.
SOUTH OF LINE 13S127E 07S132E 07S136E 11S142E:
NORTHWESTERLY QUARTER WINDS 20/30 KNOTS. ROUGH SEAS. LOW TO MODERATE
SWELL.
SOUTH OF LINE 10S114E 05S120E 10S124E:
NORTHWESTERLY QUARTER WINDS 20/30 KNOTS, SHIFTING SOUTHWESTERLY
WITHIN 60NM OF
TROUGH. ROUGH SEAS. LOW SWELL.
REMAINDER:
WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL,
INCREASING TO
MODERATE SOUTH, AND WEST OF LINE EQ099E 12S125E.
RAIN AREAS, SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGHOUT
AREA. HEAVY
AT TIMES WITHIN 120NM OF TROPICAL CYCLONE GRANT. 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 FRIDAY.=