FQAU24 AMMC 130900

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 1100 UTC 13 AUGUST 2025



PART 1 WARNINGS

REFER TO LATEST WARNINGS FOR DETAILS OF THE AREA AFFECTED.



MELBOURNE GALE WARNING 2.

MELBOURNE GALE WARNING 3.



PART 2 SITUATION AT 130600 UTC

TROUGH [1] 53S160E 50S156E. FORECAST MOVING EAST OF AREA BY

131200UTC.



LOW [1] 1000HPA NEAR 54S146E. FORECAST LOW 996HPA NEAR 56S164E AT

132100UTC,

THEN EAST OF THE AREA THEREAFTER.



COLD FRONT [1] 43S117E 46S120E 50S120E TO LOW 981HPA NEAR 51S118E.

FORECAST

54S128E TO LOW 963HPA NEAR 57S127E AT 140000UTC, THEN WEAKENING.



FORECAST COLD FRONT [2] ENTERING AREA FROM THE NORTH NEAR 32S117E

37S119E TO

LOW [2] 982HPA NEAR 43S120E TO WARM FRONT 50S127E AT 131500UTC.

FORECAST

50S142E 55S144E 58S142E 58S138E TO LOW [2] 940HPA NEAR 56S135E TO

WARM FRONT

59S139E 59S150E 56S160E AT 141200UTC.



COLD FRONT [3] FORECAST ENTERING AREA FROM WEST NEAR 50S077E 54S075E

57S070E TO

LOW 968HPA NEAR 57S065E, THEN 50S104E 53S103E 57S099E TO LOW 965HPA

NEAR

58S094E AT 141200UTC.



PART 3 FORECAST

REFER TO LATEST WARNINGS FOR BOUNDARY OF AFFECTED AREA AND TYPE OF

WEATHER

SYSTEM.



WHOLE OF AREA, OUTSIDE OF WARNING AREAS:

NORTHWESTERLY QUARTER WINDS SHIFTING SOUTHWESTERLY QUARTER WINDS WEST

OF COLD

FRONTS AND WARM FRONT, WINDS BECOMING CIRCULAR WITHIN 180NM OF LOW

[1] AND [3]

INCREASING TO WITHIN 420NM OF LOW [2]. WIND SPEEDS 20/33 KNOTS. ROUGH

TO VERY

ROUGH SEAS. MODERATE TO HEAVY SWELL.



RAIN AREAS, SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS MAINLY

WITHIN 180NM OF

FRONTS AND LOWS [1] AND [3] INCREASING TO WITHIN 360NM OF LOW [2].

VISIBILITY

REDUCING BELOW 2NM IN PRECIPITATION.



PART 4 ICE EDGE

APPROXIMATELY 57S080E 58S090E 59S100E 60S110E 62S120E 62S130E 63S140E

62S150E

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 21:00 UTC WEDNESDAY.=