Bulletinset for METAREA 10 Edition date (UTC): 2025-12-31 09:04:26 ============================ HIGH SEAS FORECAST WESTERN ============================ FQAU23 AMMC 310800 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 31 December 2025 Part 1 Warnings Refer to latest warnings for details of the area affected. Final Melbourne Gale Warning 8. Part 2 Situation at 310600 UTC Trough [1] near 40S108E 50S127E. Forecast trough [1] near 42S119E 44S129E at 011200UTC. Trough [2] near 13S107E 12S106E. Forecast trough [2] near 16S110E to tropical low (10U) near 12S107E at 011200UTC. Trough [3] near 16S103E 21S109E 27S114E. Forecast trough [3] near 16S105E 22S110E at 011200UTC. Warm front near 39S080E 40S083E 39S091E. Forecast near 43S080E 44S090E 42S103E at 011200UTC. Part 3 Forecast Refer to latest warnings for boundary of affected area and type of weather system. East of line 31S113E 32S111E 35S114E: Southerly quarter winds. Wind speeds 20/30 knots. Rough to very rough seas. Moderate swell. South of line 34S080E 45S112E 46S129E, outside of warning area: Westerly quarter winds, shifting northwesterly quarter east of trough and north of warm front, and easterly quarter within 120nm south of warm front. Wind speeds 20/33 knots. Moderate to rough seas. Moderate to heavy swell. North of line 12S106E 13S107E 12S110E: Clockwise winds around tropical low (10U) wind speeds 20/33 knots. Rough to very rough seas. Moderate to heavy swell. Remainder: Winds not exceeding 25 knots. Moderate to rough seas. Low to moderate swell, increasing to moderate to heavy south of line 41S102E 40S108E 45S129E. Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of front and troughs, within 240nm low. Heavy at times within 120nm of warm front and 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 Wednesday. ============================ HIGH SEAS FORECAST SOUTH-EASTERN ============================ FQAU22 AMMC 310800 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 31 December 2025 Part 1 Warnings Nil. Part 2 Situation at 310600 UTC Trough west of area, forecast to enter near 49S129E 50S131E at 311200UTC. Forecast trough near 47S139E 50S146E at 011200UTC. Part 3 Forecast West of line 36S157E 44S147E 47S155E: Southwesterly quarter winds 20/30 knots. Rough seas. Moderate to heavy swell. South of line 46S129E 48S136E: Northwesterly quarter winds west of trough 20/30 knots. Rough seas. Moderate to heavy swell. Remainder: Winds not exceeding 25 knots. Moderate to rough seas. Low to moderate swell. Rain areas, scattered showers and isolated thunderstorms mostly within 120nm of trough, west of line 36S157E 44S147E 47S155E and within 60nm of Australian mainland coastline. 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. ============================ HIGH SEAS FORECAST NORTH-EASTERN ============================ FQAU20 AMMC 310800 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 31 December 2025 Part 1 Warnings Nil. Part 2 Situation at 310600 UTC Trough near 06S158E 13S170E. Forecast trough near 08S163E 11S170E at 011200UTC. Part 3 Forecast West of line 17S149E 20S149E: Northeasterly quarter winds 15/25 knots. Moderate to rough seas. Low swell. Remainder: Winds not exceeding 20 knots. Slight to moderate seas. Low swell, increasing to low to moderate south of line 22S153E 16S156E 10S163E 20S170E. Rain areas, scattered showers and isolated thunderstorms mostly north of line 22S150E 13S154E 10S164E 19S170E. Heavy at times west of line 17S150E 19S151E 21S149E and within 180nm north 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 Wednesday. ============================ HIGH SEAS FORECAST NORTHERN ============================ FQAU21 AMMC 310715 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 31 DECEMBER 2025 PART 1 WARNINGS NIL. PART 2 SITUATION AT 310600 UTC MONSOON TROUGH 04S095E TO TROPICAL LOW (10U) 1002HPA NEAR 09S104E TO MONSOON TROUGH NEAR 12S107E . FORECAST MONSOON TROUGH 09S095E 11S105E TO TROPICAL LOW (10U) 1003HPA NEAR 12S107E AT 011200UTC. PART 3 FORECAST WEST OF LINE EQ099E 10S110E 12S110E: NORTHWESTERLY QUARTER WINDS NORTHERLY SHIFTING SOUTHWESTERLY QUARTER SOUTH OF TROUGH AND TURNING CLOCKWISE WITHIN 180NM OF TROPICAL LOW (10U). WIND SPEEDS 15/25 KNOTS, INCREASING TO 20/30 KNOTS WITHIN 120NM OF TROPICAL LOW (10U). MODERATE TO ROUGH SEAS. LOW TO MODERATE SWELL. SOUTH OF LINE 12S122E 10S125E 10S128E 13S131E: WESTERLY QUARTER WINDS 15/25 KNOTS. MODERATE TO ROUGH SEAS. LOW SWELL. REMAINDER: WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL, INCREASING TO LOW TO MODERATE WEST OF LINE 07S112E 12S118E. RAIN AREAS, SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGHOUT WHOLE AREA. HEAVY AT TIMES WITHIN 180NM OF LOW (10U) AND LINE 07S090E 02S096E 05S116E. 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.=