WOAU09 AMMC 111933

IDY21080

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

SECURITE

HIGH SEAS WEATHER WARNING FOR METAREA 10

ISSUED BY THE AUSTRALIAN GOVERNMENT BUREAU OF METEOROLOGY

AT 1933UTC 11 SEPTEMBER 2026



GALE WARNING 9 FOR SOUTHERN AREA



SITUATION AT 111800UTC

VIGOROUS FLOW ASSOCIATED WITH LOW 950HPA NEAR 54S100E. FORECAST LOW

946HPA NEAR

57S104E AT 120000UTC, LOW 942HPA NEAR 58S106E AT 120600UTC, LOW

939HPA NEAR

59S108E AT 121200UTC, AND LOW 938HPA NEAR 60S109E AT 121800UTC.



AREA AFFECTED

BOUNDED BY 51S102E 55S116E 60S115E 58S097E 52S096E 51S102E.



FORECAST

CLOCKWISE WINDS 30/40 KNOTS INITIALLY WITHIN 180NM OF NORTHERN

SEMICIRCLE OF

LOW, EXPANDING TO WITHIN 240NM OF THE NORTHERN SEMICIRCLE FROM

120000UTC AND

FURTHER EXPANDING TO WITHIN 390NM OF THE NORTHERN SEMICIRCLE FROM

120600UTC.

ROUGH TO VERY ROUGH 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 0100 UTC 12 SEPTEMBER 2026=