WOAU51 AMMC 281733

IDY21091

40:2:1:04:70S075E35060:01:00

SECURITE

HIGH SEAS WEATHER WARNING FOR METAREA 10

ISSUED BY THE AUSTRALIAN GOVERNMENT BUREAU OF METEOROLOGY

AT 1733UTC 28 JULY 2026



HURRICANE FORCE WIND WARNING 11 FOR WESTERN AND SOUTHERN AREAS



SITUATION AT 281800UTC

VIGOROUS CLOCKWISE FLOW WITH LOW 979HPA NEAR 49S082E. FORECAST LOW

971HPA NEAR

50S090E AT 290000UTC, LOW 966HPA NEAR 52S097E AT 290600UTC, LOW

962HPA NEAR

53S103E AT 291200UTC AND LOW 957HPA NEAR 55S109E AT 291800UTC.



AREA AFFECTED

BOUNDED BY 40S080E 41S099E 47S120E 57S119E 52S080E 40S080E.



FORECAST

CLOCKWISE WINDS 34/47 KNOTS WITHIN 480NM OF ALL QUADRANTS EXCEPT THE

SOUTHERN

QUADRANT, EXPANDING TO WITHIN 660NM BY 290000UTC. WINDS 48/63 KNOTS

WITHIN

420NM OF NORTHWEST QUADRANT OF LOW INITIALLY, EXPANDING TO WITHIN

480NM OF THE

NORTHWESTERN QUADRANT OF LOW BY 290000UTC AND INCREASING TO 60/70

KNOTS WITHIN

300NM OF THE LOW IN THE NORTHWESTERN QUADRANT FROM 290900UTC. VERY

ROUGH TO

HIGH SEAS, INCREASING TO VERY HIGH SEAS IN STORM FORCE WINDS, AND

RISING TO

PHENOMENAL SEAS IN HURRICANE 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 0100 UTC 29 JULY 2026=