WOAU20 AMMC 172358

IDY21090

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

SECURITE

HIGH SEAS WEATHER WARNING FOR METAREA 10

ISSUED BY THE AUSTRALIAN GOVERNMENT BUREAU OF METEOROLOGY

AT 2358UTC 17 SEPTEMBER 2025



STORM FORCE WIND WARNING 10 FOR SOUTHERN AREA



SITUATION AT 180000UTC

VIGOROUS FLOW ASSOCIATED WITH LOW 939HPA NEAR 58S131E. FORECAST LOW

938HPA NEAR

60S133E AT 180600UTC, LOW 941HPA NEAR 61S133E AT 181200UTC, LOW

943HPA NEAR

61S134E AT 181800UTC, AND LOW 947HPA NEAR 61S136E AT 190000UTC.



AREA AFFECTED

BOUNDED BY 53S126E 52S135E 57S144E 62S144E 60S120E 53S126E.



FORECAST

CLOCKWISE WINDS 34/47 KNOTS WITHIN 360NM OF LOW, INCREASING TO 48/63

KNOTS

WITHIN 180NM OF LOW IN NORTHEASTERN SEMICIRCLE UNTIL 180600UTC. VERY

ROUGH TO

HIGH SEAS, RISING TO VERY HIGH SEAS IN 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 0700 UTC 18 SEPTEMBER 2025=