WOAU09 AMMC 281734

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 1734UTC 28 JULY 2026



GALE WARNING 9 FOR WESTERN AND SOUTHERN AREAS



SITUATION AT 281800UTC

VIGOROUS FLOW ASSOCIATED WITH COLD FRONT NEAR 52S107E 58S108E AND LOW

955HPA

NEAR 61S094E. FORECAST JUST LOW 952HPA NEAR 60S097E AT 290000UTC, LOW

955HPA

NEAR 60S101E AT 290600UTC, AND WEAKENING THEREAFTER.



AREA AFFECTED

BOUNDED BY 50S089E 49S109E 56S114E 62S111E 60S080E 53S083E 50S089E.



FORECAST

NORTHWESTERLY QUARTER WINDS WITHIN 120NM EAST OF COLD FRONT, TENDING

CLOCKWISE

WITHIN 420NM OF THE LOW IN THE NORTHERN QUADRANT, CONTRACTING TO

WITHIN 180NM

OF THE LOW BY 290000UTC. WIND SPEEDS 30/40 KNOTS, EASING EAST OF COLD

FRONT BY

290000UTC, AND EASING THROUGHOUT AREA BY 290600UTC. 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 29 JULY 2026=