FQAU24 AMMC 220800

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 22 DECEMBER 2025



PART 1 WARNINGS

REFER TO LATEST WARNINGS FOR DETAILS OF THE AREA AFFECTED.



MELBOURNE GALE WARNING 1

MELBOURNE GALE WARNING 11

MELBOURNE GALE WARNING 12



PART 2 SITUATION AT 220600 UTC

COLD FRONT 50S112E 55S114E TO LOW [1] 976HPA NEAR 57S111E. FORECAST

COLD FRONT

50S134E TO LOW [1] 979HPA NEAR 52S132E AT 230000UTC, AND THEN FRONT

MOVING

NORTH OF AREA, THEN JUST LOW 976HPA NEAR 50S143E AT 231200UTC.



LOW [2] 977HPA NORTH OF AREA NEAR 48S159E 52S153E TO TROUGH [1] NEAR

52S153E.

FORECAST TROUGH [1] NEAR 55S160E TO LOW [2] 978HPA NEAR 58S154E TO

58S150E AT

230900UTC AND DECAYING THEREAFTER.



TROUGH [2] FORECAST TO ENTER AREA FROM THE WEST NEAR 53S080E 57S081E,

THEN NEAR

52S089E 58S090E AT 231200UTC.



PART 3 FORECAST

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

WEATHER

SYSTEM.



NORTH OF LINE 58S080E 56S118E 50S140E, OUTSIDE WARNING AREAS:

WESTERLY QUARTER WINDS SHIFTING NORTHWESTERLY QUARTER WITHIN 300NM

EAST OF COLD

FRONT, WITHIN 240NM OF TROUGH, AND TURNING CLOCKWISE WITHIN 180NM OF

LOW [1].

WIND SPEEDS 20 TO 33 KNOTS. ROUGH TO VERY ROUGH SEAS. MODERATE TO

HEAVY SWELL.



EAST OF LINE 50S153E 60S153E, OUTSIDE WARNING AREAS:

NORTHEASTERLY QUARTER WINDS SHIFTING NORTHWESTERLY QUARTER NORTH OF

TROUGH AND

TURNING CLOCKWISE WITHIN 180NM OF LOW [2]. WIND SPEEDS 20/33 KNOTS.

ROUGH TO

VERY ROUGH SEAS. MODERATE TO HEAVY SWELL.



REMAINDER:

WINDS NOT EXCEEDING 25 KNOTS. SLIGHT TO MODERATE SEAS. MODERATE TO

HEAVY SWELL.



RAIN AREAS, SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS MOSTLY

WITHIN 180NM OF

FRONT AND TROUGHS, AND WITHIN 240NM OF LOWS. VISIBILITY REDUCING

BELOW 2NM IN

PRECIPITATION.



PART 4 ICE EDGE

APPROXIMATELY 64S080E 64S090E 63S100E 63S120E 64S130E 62S141E 62S149E

65S160E



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 MONDAY.=