WOAU19 AMMC 301122

IDY21080

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

SECURITE

HIGH SEAS WEATHER WARNING FOR METAREA 10

ISSUED BY THE AUSTRALIAN GOVERNMENT BUREAU OF METEOROLOGY

AT 1122UTC 30 SEPTEMBER 2026



STORM FORCE WIND WARNING 9 FOR SOUTHERN AND WESTERN AREAS



SITUATION AT 301200UTC

VIGOROUS FLOW ASSOCIATED WITH COLD FRONT 47S079E 54S089E WITH LOW

951HPA NEAR

56S083E. FORECAST 44S079E 53S093E TO LOW 938HPA NEAR 58S089E AT

301800UTC,

42S082E 54S102E TO LOW 924HPA NEAR 60S093E AT 010000UTC, 39S081E

55S110E TO LOW

916HPA NEAR 60S097E AT 010600UTC, AND COLD FRONT 39S087E 54S115E TO

LOW 1000HPA

NEAR 62S100E AT 011200UTC.



AREA AFFECTED

BOUNDED BY 40S080E 38S092E 48S128E 54S129E 54S115E 61S112E 60S080E

40S080E.



FORECAST

NORTHWESTERLY QUARTER WINDS WITHIN 900NM EAST OF COLD FRONT.

SOUTHWESTERLY

QUARTER WINDS WEST OF COLD FRONT, AND CLOCKWISE WINDS WITHIN 240NM OF

NORTHWESTERN SEMICIRCLE OF LOW, EXPANDING TO WITHIN 660NM IN

NORTHWESTERN

SEMICIRCLE OF LOW AT 301800UTC, AND FURTHER EXPANDING TO WITHIN

1200NM OF LOW

IN NORTHWESTERN QUADRANT AND WITHIN 660NM OF LOW IN ALL OTHER

QUADRANTS BY

010600UTC. WIND SPEEDS 34/47 KNOTS, INCREASING TO 45/55 KNOTS WITHIN

240NM OF

LOW BY 302100UTC. VERY ROUGH TO HIGH SEAS, REACHING UP TO VERY HIGH

SEAS 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 1900 UTC 30 SEPTEMBER 2026=