WOAU43 AMMC 160559

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 0559UTC 16 SEPTEMBER 2025



GALE WARNING 3 FOR SOUTHEASTERN AND SOUTHERN AREAS



SITUATION AT 160600UTC

VIGOROUS FLOW ASSOCIATED WITH LOW 963HPA NEAR 50S141E. FORECAST LOW

969HPA NEAR

50S144E AT 161200UTC, LOW 968HPA NEAR 49S148E AT 161800UTC, LOW

973HPA NEAR

50S154E AT 170000UTC, AND LOW 974HPA NEAR 51S158E AT 170600UTC.



AREA AFFECTED

BOUNDED BY 38S139E 38S157E 50S161E 52S146E 52S134E 43S129E 38S139E.



FORECAST

CLOCKWISE WINDS 34/47 KNOTS WITHIN 660NM OF LOW IN NORTHERN

SEMICIRCLE. WINDS

EASING BELOW 34 KNOTS WEST OF 142E AFTER 170000UTC, AND WEST OF 146E

BY

170600UTC. VERY ROUGH TO HIGH SEAS. 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 16 SEPTEMBER 2025=