Bulletinset for METAREA 10 Edition date (UTC): 2025-12-13 22:21:15 ============================ HIGH SEAS FORECAST WESTERN ============================ FQAU23 AMMC 132000 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 2300 UTC 13 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. Melbourne Gale Warning 1. Melbourne Gale Warning 2. Part 2 Situation at 131800 UTC Tropical Low (03U) 1004hPa near 13S113E, near stationary. Trough near 30S085E 40S095E 47S097E. Forecast 25S090E 43S109E 50S114E at 150000UTC. Low [2] 987hPa near 47S089E. Forecast low [3] 998hPa near 47S101E at 150000UTC. Part 3 Forecast Refer to latest warnings for details of the area affected. South of line 45S129E 49S122E 41S105E 31S098E 25S090E, outside warning areas: Northwesterly quarter winds, shifting southwesterly quarter west of trough, and clockwise within 240nm of low. Wind speeds 20/33 knots. Rough seas. Moderate to heavy swell. Within 120nm of 36S116E 35S123E: Easterly 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 trough and within 240nm 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 08:00 UTC Sunday. ============================ HIGH SEAS FORECAST NORTH-EASTERN ============================ FQAU20 AMMC 132000 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 2300 UTC 13 December 2025 Part 1 Warnings Nil. Part 2 Situation at 131800 UTC Trough near 02S150E to low 1002hPa near 11S167E. Forecast trough near EQ152E to low 1003hPa near 15S170E at 150000UTC. Part 3 Forecast East of line 06S167E 08S166E 15S169E: Northwesterly quarter winds 15/25 knots. Moderate to rough seas. Low to moderate swell. East of line 25S169E 23S164E 21S164E 20S168E: 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 throughout area. Heavy at times within 150nm of, and east 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 08:00 UTC Sunday. ============================ HIGH SEAS FORECAST SOUTH-EASTERN ============================ FQAU22 AMMC 132000 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 2300 UTC 13 December 2025 Part 1 Warnings Melbourne Storm Force Wind Warning 1. Melbourne Gale Warning 3. Part 2 Situation at 131800 UTC Trough 42S151E 47S153E 50S152E. Forecast 30S153E 37S163E 39S165E at 150000UTC. Cold front near 40S142E 44S146E 50S142E. Forecast 38S156E 44S160E 50S158E at 150000UTC. Part 3 Forecast South of line 45S129E 38S137E 38S146E 30S154E 37S165E, outside warning area: Southwesterly quarter winds west of cold front, shifting northwesterly quarter east of cold front and northerly quarter east of trough. Wind speeds 20/33 knots. Rough seas. Moderate to heavy swell. Remainder: Winds not exceeding 25 knots. Slight to moderate seas. Low to moderate swell. Rain areas, scattered showers and isolated thunderstorms mostly within 150nm of trough, and within 240nm of 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 08:00 UTC Sunday. ============================ HIGH SEAS FORECAST NORTHERN ============================ FQAU21 AMMC 131915 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 2300 UTC 13 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 131800 UTC TROPICAL CYCLONE 'BAKUNG' 980HPA NEAR 9.7S092.1E. FORECAST TROPICAL CYCLONE 'BAKUNG' 986HPA NEAR 10.1S90.8E AT 150000UTC. TROPICAL LOW (03U) 1004HPA NEAR 13S113E, NEAR STATIONARY. TROPICAL LOW (06U) 1005HPA NEAR 09S135E, FORECAST 1008HPA NEAR 09S134E AT 150000UTC. PART 3 FORECAST REFER TO LATEST WARNINGS FOR DETAILS OF THE AREA AFFECTED. WEST OF LINE EQ090E 04S116E 12S116E, OUTSIDE WARNING AREA: CLOCKWISE WINDS WITHIN 240NM OF TROPICAL LOW (03U) AND WITHIN 540NM OF TROPICAL CYCLONE 'BAKUNG'. WIND SPEED 20/25 KNOTS, INCREASING TO 20/33 KNOTS WITHIN 120NM OF TROPICAL CYCLONE 'BAKUNG'. 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 120NM OF LOWS AND WITHIN 180NM OF TC. 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 07:15 UTC SUNDAY.=