WOAU51 AMMC 311811

IDY21091

40:2:1:04:70S075E25090:01:00

SECURITE

HIGH SEAS WEATHER WARNING FOR METAREA 10

ISSUED BY THE AUSTRALIAN GOVERNMENT BUREAU OF METEOROLOGY

AT 1811UTC 31 JULY 2026



GALE WARNING 11 FOR SOUTHERN AREA



SITUATION AT 311800UTC

VIGOROUS FLOW ASSOCIATED WITH LOW 961HPA NEAR 63S132E. FORECAST LOW

967HPA NEAR

63S135E AT 010000UTC, LOW 972HPA NEAR 63S137E AT 010600UTC, LOW

975HPA NEAR

63S140E AT 010900UTC, AND LOW WEAKENING THEREAFTER.



AREA AFFECTED

BOUNDED BY 57S126E 55S134E 56S146E 60S149E 63S132E 61S123E 57S126E.



FORECAST

CLOCKWISE WINDS ABOUT LOW. WIND SPEEDS 34/47 KNOTS WITHIN 660NM IN

ALL

QUADRANTS OF LOW EXCEPT THE SOUTHERN QUADRANT. WINDS EASING BELOW 34

KNOTS

THROUGHOUT WHOLE AREA BY 010900UTC. 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 0100 UTC 01 AUGUST 2026=