40:2:1:31:11:01:00
IDY10240
SECURITE
UPDATED 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 12 DECEMBER 2025
PART 1 WARNINGS
REFER TO LATEST WARNINGS FOR DETAILS OF THE AREA AFFECTED.
OCEAN GALE AND STORM WARNING 1 ISSUED BY TCWC JAKARTA.
PART 2 SITUATION AT 120600 UTC
TROPICAL LOW 05U 1003HPA NEAR 08S098E. FORECAST TROPICAL CYCLONE
'BAKUNG'
988HPA NEAR 9.7S093.4E AT 131200UTC.
TROPICAL LOW 03U 1006HPA NEAR 12S114E. FORECAST 1005HPA NEAR 12S112E
AT
131200UTC.
FORECAST LOW [1] 1005HPA ENTERING FROM WEST OF AREA NEAR 04S090E AT
130300UTC.
FORECAST LOW [1] 1003HPA NEAR 05S090E AT 131200UTC.
PART 3 FORECAST
REFER TO LATEST WARNINGS FOR DETAILS OF THE AREA AFFECTED.
WITHIN 120NM OF TROPICAL LOW 05U, OUTSIDE WARNING AREA:
CLOCKWISE WINDS AROUND LOW. WIND SPEEDS BELOW 20 KNOTS, INCREASING TO
20/30
KNOTS IN SOUTHERN SEMICIRCLE. MODERATE TO ROUGH SEAS. LOW TO MODERATE
SWELL.
WITHIN 120NM OF LOW [1]:
CLOCKWISE WINDS AROUND LOW. WIND SPEEDS BELOW 20 KNOTS, INCREASING TO
20/30
KNOTS IN NORTHEASTERN QUADRANT. MODERATE TO ROUGH SEAS. LOW TO
MODERATE SWELL.
REMAINDER:
WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL,
INCREASING TO
LOW TO MODERATE SOUTH OF LINE 01S090E 12S114E.
RAIN AREAS, SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGHOUT,
HEAVY AT
TIMES WITHIN 120NM 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.=
IDY10220
SECURITE
Updated 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 12 December 2025
Part 1 Warnings
Refer to latest warnings for details of the area affected.
Melbourne Gale Warning 1.
Part 2 Situation at 120600 UTC
Cold front [1] 34S073E to low [1] 999hPa near 44S080E to warm front [1] near
45S089E. Cold front [1] near 42S094E to low [1] 993hPa near 50S100E to warm
front [1] near 50S107E 50S100E.
Cold front [2] near 45S100E 50S103E. Forecast near 40S121E 50S129E at 130300UTC
and moving east of area thereafter.
Warm front [2] near 50S111E 48S116E. Forecast near at 49S127E 50S129E and
moving east of area thereafter.
Forecast low [3] 979 entering region from south near 50S120E. Forecast low
978hPa near 49S127E at 122100UTC and moving east of area thereafter.
Part 3 Forecast
Refer to latest warnings for details of the area affected.
South of line 34S080E 44S107E 37S129E, outside warning areas:
Westerly quarter winds, shifting northwesterly quarter east of cold fronts,
southwesterly quarter west of cold fronts and easterly quarter south of warm
fronts. Winds turning clockwise within 180nm of low. Wind speeds 20/33 knots.
Rough to very rough seas. Moderate to heavy swell.
East of line 26S109E 30S108E 34S113E:
Southerly quarter winds 20/30 knots. Rough seas. Low to moderate swell.
Remainder:
Winds not exceeding 25 knots. Moderate to rough seas. Low to moderate swell.
Rain areas, scattered showers and isolated thunderstorms mostly within 180nm 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 Friday.
IDY10210
SECURITE
Updated 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 12 December 2025
Part 1 Warnings
Nil.
Part 2 Situation at 120600 UTC
Forecast cold front [1] entering region from west near 42S129E 50S135E by
130600UTC. Forecast near 37S137E 49S140E at 131200UTC.
Part 3 Forecast
South of line 37S129E 38S150E 46S160E:
Northwesterly quarter winds shifting westerly quarter west of cold front. Wind
speeds 20/33 knots. Rough to very rough seas. Moderate swell.
Remainder:
Winds not exceeding 25 knots. Moderate to rough seas. Low to moderate swell.
Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of
fronts and west of line 30S163E 36S157E. 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.
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 12 December 2025
Part 1 Warnings
Nil.
Part 2 Situation at 120600 UTC
Trough near 07S148E 05S160E to low 1002hPa near 09S166E. Forecast trough near
04S157E 08S165E to low 1001hPa near 12S168E at 131200UTC.
Part 3 Forecast
Within 180nm northeast of trough:
Northwesterly 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 throughout. Heavy at
times within 300nm of low in northeastern semicircle. 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.