WOAU19 AMMC 171758

IDY21080

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

SECURITE

HIGH SEAS WEATHER WARNING FOR METAREA 10

ISSUED BY THE AUSTRALIAN GOVERNMENT BUREAU OF METEOROLOGY

AT 1758UTC 17 JULY 2026



GALE WARNING 9 FOR WESTERN AREA



SITUATION AT 171800UTC

VIGOROUS CLOCKWISE FLOW FORECAST TO DEVELOP WITH LOW 995HPA NEAR

45S112E AT

180000UTC, 992HPA NEAR 45S115E AT 180600UTC, 990HPA NEAR 45S117E AT

181200UTC,

AND 989HPA NEAR 46S118E AT 181800UTC.



AREA AFFECTED

BOUNDED BY 44S109E 40S112E 41S121E 43S124E 46S126E 46S111E 47S107E

44S109E.



FORECAST

CLOCKWISE WINDS 30/40 KNOTS INITIALLY WITHIN 240NM OF THE NORTHWEST

QUADRANT OF

LOW, AND EXPANDING TO WITHIN 330NM OF NORTHERN SEMICIRCLE OF LOW FROM

180900UTC. ROUGH TO VERY ROUGH SEAS. LOW TO MODERATE 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 18 JULY 2026=