WOAU48 AMMC 050538

IDY21070

40:2:1:04:70S100E35060:01:00

SECURITE

HIGH SEAS WEATHER WARNING FOR METAREA 10

ISSUED BY THE AUSTRALIAN GOVERNMENT BUREAU OF METEOROLOGY

AT 0538UTC 5 AUGUST 2025



STORM FORCE WIND WARNING 8 FOR WESTERN, SOUTHEASTERN AND SOUTHERN

AREAS



SITUATION AT 050600UTC

VIGOROUS FLOW ASSOCIATED WITH COLD FRONT 45S110E 57S118E 62S102E.

FORECAST

46S121E 56S126E 61S114E AT 051200UTC, 44S126E 56S130E 62S113E AT

051800UTC,

45S133E 58S135E 62S117E AT 060000UTC, AND 46S138E 57S142E TO

DEVELOPING LOW

951HPA NEAR 60S135E AT 060600UTC.



AREA AFFECTED

BOUNDED BY 49S080E 44S102E 44S137E 51S147E 59S149E 63S120E 61S080E

49S080E.



FORECAST

NORTHERLY QUARTER WINDS 30/40 KNOTS WITHIN 180NM EAST OF COLD,

SHIFTING

WESTERLY QUARTER WINDS 34/47 KNOTS WITHIN 1400NM WEST OF COLD FRONT.

NORTHERLY

WINDS EXPANDING TO WITHIN 360NM EAST OF COLD FRONT FROM 051800UTC.

WINDS

INCREASING TO 47/55 KNOTS WITHIN 60NM OF LINE 55S124E 56S129E FROM

051800UTC TO

060000UTC. WINDS INCREASING TO 47/55 KNOTS WITHIN 360NM OF DEVELOPING

LOW IN

NORTHERN QUADRANT. VERY ROUGH TO HIGH SEAS, RISING TO VERY HIGH IN

STORM FORCE

WINDS. MODERATE TO HEAVY SWELL.



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.





THE NEXT ALERT WILL BE ISSUED BY 1300 UTC 05 AUGUST 2025=