WOAU43 AMMC 151744

IDY21020

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

SECURITE

HIGH SEAS WEATHER WARNING FOR METAREA 10

ISSUED BY THE AUSTRALIAN GOVERNMENT BUREAU OF METEOROLOGY

AT 1744UTC 15 JULY 2025



STORM FORCE WIND WARNING 3 FOR WESTERN, SOUTHERN, AND SOUTHEASTERN

AREAS



SITUATION AT 151800UTC

VIGOROUS FLOW ASSOCIATED WITH COLD FRONT 35S121E 45S125E. FORECAST

37S127E

43S131E TO LOW 973HPA DEVELOPING NEAR 47S130E AT 160000UTC, 37S132E

43S137E

49S137E TO LOW 964HPA NEAR 49S133E AT 160600UTC, 43S141E 46S142E

52S140E TO LOW

961HPA NEAR 51S135E AT 161200UTC, THEN 45S146E 50S145E 54S141E TO LOW

963HPA

NEAR 53S137E AT 161800UTC.



AREA AFFECTED

BOUNDED BY 35S131E 46S148E 53S148E 56S143E 48S123E 35S117E 35S131E.



FORECAST

NORTHERLY QUARTER WINDS 34/47 KNOTS WITHIN 180NM EAST OF COLD FRONT,

SHIFTING

SOUTHWESTERLY QUARTER WITHIN 120NM WEST OF COLD FRONT, TENDING

EASTERLY WITHIN

120NM SOUTH OF COLD FRONT BY 160600UTC, AND TURNING CLOCKWISE WITHIN

120NM OF

THE WESTERN SEMICIRCLE AND WITHIN 240NM OF THE EASTERN SEMICIRCLE OF

THE LOW

FROM 160000UTC. WINDS INCREASING TO 48/55 KNOTS WITHIN 120NM OF THE

NORTHERN

QUARTER OF LOW AFTER 160000UTC. VERY ROUGH TO HIGH SEAS, INCREASING

TO VERY

HIGH WITHIN STORM FORCE WINDS. 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 16 JULY 2025=