IDW23200
40:2:2:24:12S108E999:11:00
SECURITE
OCEAN WIND WARNING FOR METAREA 10
Issued by the Australian Bureau of Meteorology
Tropical Cyclone Warning Centre
at 1252 UTC 19 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 1200 UTC Tropical Low was centred within 20 nautical miles of
latitude twelve decimal one south (12.1S)
longitude one hundred and eight decimal zero east (108.0E)
Recent movement : west northwest at 4 knots
Maximum winds : 30 knots
Central pressure: 1000 hPa
AREA AFFECTED
Within 50 nautical miles in SW quadrant
and within 70 nautical miles in NW quadrant from 1800 UTC 19 December.
FORECAST
Maximum winds to 30 knots near the centre increasing to 35 knots by 1800 UTC 19
December.
Winds above 34 knots within 70 nautical miles in NW quadrant from 1800 UTC 19
December
extending to also be within 50 nautical miles in the SW quadrant from
0000 UTC 20 December with rough seas and moderate swell.
Forecast positions
At 0000 UTC 20 December: Within 40 nautical miles of 12.3 south 107.3 east
Central pressure 998 hPa.
Winds to 35 knots
At 1200 UTC 20 December: Within 55 nautical miles of 12.6 south 106.3 east
Central pressure 998 hPa.
Winds to 35 knots
Next warning will be issued by 1900 UTC 19 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 19 December 2025
Part 1 Warnings
Refer to latest warnings for details of the area affected.
Gale Wind Warning for Tropical Low '03U', issued by the TCWC, Australia.
Melbourne Gale Warning 10.
Melbourne Gale Warning 12.
Part 2 Situation at 190600 UTC
Tropical Low (03U) 997hPa near 12.5S108.2E. Forecast Tropical Low 998hPa near
13.2S106.6E at 201200UTC.
Cold front 36S107E 43S117E 50S120E. Forecast cold front 34S119E to developing
low 1003hPa near 42S123E to developing warm front 50S126E at 192100UTC, then
cold front 31S130E 36S130E to low 1002hPa near 37S129E to warm front 39S125E
48S128E at 201200UTC.
Part 3 Forecast
Refer to latest warnings for details of the area affected.
South of line 15S090E 18S125E, except west of line 40S080E 37S103E 33S102E
30S090E, outside warning areas:
Southeasterly quarter winds north of 33S. South of 33S northwesterly quarter
winds shifting southwesterly quarter within 900nm west of cold front and
tending northwesterly east of warm front. WInds turning clockwise within 120nm
of low. Wind speeds 20/33 knots. Moderate to rough seas. Moderate swell,
increasing to moderate to heavy swell south of line 48S080E 43S090E 45S100E.
Within 120nm of Tropical Low (03U), outside warning area:
Clockwise winds 20/33 knots. Moderate to rough seas. Low to 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
front 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 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 19 December 2025
Part 1 Warnings
Nil.
Part 2 Situation at 190600 UTC
Trough 38S145E to low 1003hPa near 42S141E. Forecast 42S154E to low 998hPa near
46S150E at 201200UTC.
Cold front forecast entering area from west near 31S130E 36S130E to low 1002hPa
near 42S141E at 201200UTC.
Part 3 Forecast
West of line 29S156E 33S154E:
Northerly quarter winds 20/30 knots developing after 101500UTC. Moderate to
rough seas. Low swell.
Within area bounded by 42S137E 40S148E 42S158E 48S154E 48S140E 42S137E:
Clockwise winds within 300nm of low. Wind speeds 20/30 knots. Moderate to rough
seas. Low to moderate swell.
West of cold front:
Southwesterly quarter winds 20/30 knots developing west of cold front in area
after 200900UTC. Moderate to rough seas. Low swell.
Remainder:
Winds not exceeding 25 knots. Moderate to rough seas. Low swell, increasing to
low to moderate swell west of line 33S168E 39S155E 50S157E.
Rain areas, scattered showers and isolated thunderstorms mostly within 240nm of
low and within 180nm of trough and cold front. Visibility reducing below 2nm in
precipitation and sea fog.
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.
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 19 December 2025
Part 1 Warnings
Nil.
Part 2 Situation at 190600 UTC
Trough near EQ142E 08S148E 13S170E. Forecast slow moving.
Part 3 Forecast
Within 60nm of line 21S161E 22S167E:
Southeasterly quarter winds 15/25 knots. Moderate to rough seas. Low swell.
Remainder:
Winds not exceeding 20 knots. Slight to moderate seas. Low swell.
Rain areas, isolated showers and isolated thunderstorms mainly north of 21S.
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 19 DECEMBER 2025
PART 1 WARNINGS
REFER TO LATEST WARNINGS FOR DETAILS OF THE AREA AFFECTED.
GALE WIND WARNING FOR TROPICAL LOW '03U', ISSUED BY THE TCWC,
AUSTRALIA.
PART 2 SITUATION AT 190600 UTC
TROPICAL LOW (03U) 997HPA NEAR 12.5S108.2E. FORECAST TROPICAL LOW
998HPA NEAR
13.2S106.6E AT 201200UTC.
TROPICAL LOW (07U) 1003HPA NEAR 13.5S136E. FORECAST 1006HPA NEAR
15S135E AT
201200UTC.
PART 3 FORECAST
REFER TO LATEST WARNINGS FOR DETAILS OF THE AREA AFFECTED.
SOUTH OF LINE 12S137E 14S140E:
CLOCKWISE WINDS 15/25 KNOTS AROUND TROPICAL LOW (07U). MODERATE TO
ROUGH SEAS.
LOW SWELL.
AREA BOUNDED BY EQ107E 12S104E 12S111E 04S112E EQ107E, OUTSIDE
WARNING AREA:
NORTHWESTERLY WINDS 15/25 KNOTS, TURNING CLOCKWISE WITHIN 360NM OF
TROPICAL LOW
(03U), AND REACHING UP TOP 33 KNOTS WITHIN 120NM. ROUGH TO VERY ROUGH
SEAS. LOW
SWELL INCREASING TO LOW TO MODERATE SWELL SOUTH OF LINE 06S103E
08S112E.
REMAINDER:
WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL,
INCREASING TO
LOW TO MODERATE SWELL SOUTH OF LINE 09S090E 10S096E 06S103E 08S112E.
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 FRIDAY.=