Bulletinset for METAREA 10 Edition date (UTC): 2025-12-10 06:22:37 ============================ HIGH SEAS FORECAST SOUTH-EASTERN ============================ FQAU22 AMMC 092000 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 9 December 2025 Part 1 Warnings Nil. Part 2 Situation at 091800 UTC Cold front 49S134E 50S138E. Forecast 45S159E 50S164E at 110000UTC. Trough forecast to develop near 34S152E 36S156E at 101500UTC, slow moving. Part 3 Forecast South of line 47S129E 43S139E 42S162E: Westerly quarter winds, shifting northwesterly quarter within 240nm east of cold front and southwesterly quarter within 240nm west of cold front. 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. Rain areas, scattered showers and isolated thunderstorms mostly within 120nm of trough and 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 Wednesday. ============================ HIGH SEAS FORECAST NORTH-EASTERN ============================ FQAU20 AMMC 092000 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 9 December 2025 Part 1 Warnings Nil. Part 2 Situation at 091800 UTC Trough near 09S151E 05S161E 08S170E. Forecast 05S151E 11S170E at 110000UTC. Part 3 Forecast West of line 16S161E 23S167E: Southeasterly 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 25S162E 20S170E. Rain areas, isolated showers and isolated thunderstorms throughout. 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 Wednesday. ============================ HIGH SEAS FORECAST WESTERN ============================ FQAU23 AMMC 092000 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 9 December 2025 Part 1 Warnings Refer to latest warnings for details of the area affected. Melbourne Gale Warning 11. Part 2 Situation at 091800 UTC Warm front [1] forecast to enter area near 48S082E 50S080E at 101500UTC, 48S090E 50S088E at 110000UTC. Trough 31S081E 38S089E 45S105E. Forecast 35S098E 37S100E 38S104E at 110000UTC. Cold front forecast to develop near 40S100E 43S105E 45S106E at 100600UTC, 44S118E 50S124E at 110000UTC Warm front forecast to develop near 47S110E to developing low 997hPa near 45S106E at 100600UTC, 51S120E to low 988hPa near 49S112E at 101500UTC and south of area thereafter. Part 3 Forecast Refer to latest warnings for details of the area affected. South of 40S080E 38S098E 45S129E, outside warning areas: Westerly quarter winds, shifting northwesterly quarter east of cold front and northeasterly quarter south of warm fronts. 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. Rain areas, scattered showers and isolated thunderstorms mostly within 120nm of fronts, low and within 60nm 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 Wednesday. ============================ HIGH SEAS FORECAST NORTHERN ============================ FQAU21 AMMC 091915 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 9 DECEMBER 2025 PART 1 WARNINGS NIL. PART 2 SITUATION AT 091800 UTC TROUGH NEAR 05S090E 04S102E. FORECAST EQ096E 07S102E AT 110000UTC. PART 3 FORECAST WITHIN 60NM OF LINE 03S100E 01S092E: WESTERLY 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, SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS MAINLY THROUGHOUT EXCEPT SOUTH OF LINE 08S092E 08S111E. HEAVY AT TIMES WITHIN 60NM 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 07:15 UTC WEDNESDAY.=