WOAU09 AMMC 152303

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 2303UTC 15 AUGUST 2026

GALE WARNING 9 FOR WESTERN AND SOUTHERN AREAS

SITUATION AT 160000UTC

VIGOROUS FLOW ASSOCIATED WITH A FORECAST LOW 960HPA NEAR 56S072E AT

160600UTC,

LOW 956HPA NEAR 55S078E AT 161200UTC, LOW 951HPA NEAR 54S084E AT

161800UTC, LOW

948HPA NEAR 55S090E AT 170000UTC.

AREA AFFECTED

BOUNDED BY 40S080E 54S080E 55S098E 50S103E 42S096E 40S080E.

FORECAST

CLOCKWISE WINDS 34/47 KNOTS WITHIN 900NM OF LOW. 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 0600 UTC 16 AUGUST 2026=