FQAU24 AMMC 282100 IDY10250 SECURITE HIGH SEAS FORECAST FOR SOUTHERN METAREA 10 SOUTHERN AREA: 50S80E TO 50S160E TO ICE EDGE ISSUED BY THE AUSTRALIAN GOVERNMENT BUREAU OF METEOROLOGY FOR 24 HOURS COMMENCING 2300 UTC 28 AUGUST 2025 PART 1 WARNINGS REFER TO LATEST WARNINGS FOR DETAILS OF THE AREA AFFECTED. MELBOURNE GALE WARNING 3. MELBOURNE GALE WARNING 5. MELBOURNE GALE WARNING 7. PART 2 SITUATION AT 281800 UTC COLD FRONT 50S102E 50S102E 55S108E. FORECAST NEAR 50S114E 54S124E AT 291200UTC, WEAKENING THEREAFTER. WARM FRONT 55S116E 59S111E 60S104E. FORECAST NEAR 58S137E 62S130E 63S123E AT 300000UTC. TROUGH FORECAST TO DEVELOP NEAR 51S130E 55S130E AT 290900UTC. FORECAST NEAR 50S145E 56S141E AT 300000UTC. LOW 951HPA NEAR 60S088E. FORECAST LOW 956HPA NEAR 61S105E AT 300000UTC. PART 3 FORECAST REFER TO LATEST WARNINGS FOR BOUNDARY OF AFFECTED AREA AND TYPE OF WEATHER SYSTEM. WHOLE AREA, OUTSIDE WARNING AREAS: WESTERLY QUARTER WINDS, SHIFTING NORTHWESTERLY QUARTER WITHIN 420NM EAST OF COLD FRONT AND WITHIN 120NM EAST OF TROUGH, AND WITHIN 120NM NORTH OF WARM FRONT. WINDS SHIFTING NORTHEASTERLY QUARTER SOUTH OF WARM FRONT, AND TURNING WITHIN 600NM OF LOW. WIND SPEEDS 20/33 KNOTS. MODERATE TO ROUGH SEAS. MODERATE TO HEAVY SWELL. RAIN AREAS, SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS MAINLY WITHIN 240NM OF COLD FRONT AND TROUGH, AND WITHIN 420NM OF LOW. VISIBILITY REDUCING BELOW 2NM IN PRECIPITATION. PART 4 ICE EDGE APPROXIMATELY 57S080E 58S090E 59S100E 62S120E 62S130E 63S140E 62S160E. 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 09:00 UTC FRIDAY.=