WOAU42 AMMC 281749

IDY21010

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

SECURITE

HIGH SEAS WEATHER WARNING FOR METAREA 10

ISSUED BY THE AUSTRALIAN GOVERNMENT BUREAU OF METEOROLOGY

AT 1749UTC 28 AUGUST 2025



GALE WARNING 2 FOR WESTERN AND SOUTHEASTERN AREAS



SITUATION AT 281800UTC

VIGOROUS FLOW ASSOCIATED WITH COLD FRONT 32S134E 34S136E TO LOW

989HPA NEAR

42S137E. FORECAST COLD FRONT 31S139E 36S140E TO LOW 990HPA NEAR

41S140E AT

290000UTC, COLD FRONT 31S142E 38S143E TO LOW 988HPA NEAR 41S144E AT

290600UTC,

COLD FRONT 30S147E 36S151E TO LOW 991HPA NEAR 40S147E AT 291200UTC,

AND COLD

FRONT 30S153E 37S155E TO LOW 990HPA NEAR 41S154E AT 291800UTC.



AREA AFFECTED

BOUNDED BY 45S124E 37S123E 33S130E 30S132E 38S150E 42S152E 45S124E.



FORECAST

NORTHWESTERLY QUARTER WINDS 34/45 KNOTS WITHIN 120NM EAST OF FRONT,

SHIFTING

SOUTHWESTERLY QUARTER WITHIN 600NM WEST OF FRONT. CLOCKWISE WINDS

34/47 KNOTS

WITHIN 600NM OF LOW IN WESTERN AND NORTHERN QUADRANT, CONTRACTING TO

WITHIN

360NM OF LOW FROM 291200UTC. WINDS EASING BELOW 34 KNOTS EAST OF THE

FRONT BY

290600UTC. ROUGH TO VERY ROUGH SEAS RISING TO VERY ROUGH TO HIGH WEST

OF FRONT.

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 AUGUST 2025=