IDY21080 40:2:1:04:70S125E35045:01:00 SECURITE High Seas Weather Warning for METAREA 10 Issued by the Australian Government Bureau of Meteorology At 0549UTC 20 July 2026 FINAL GALE WARNING 9 FOR SOUTHERN AREA SITUATION AT 200600UTC Vigorous flow associated with trough near 49S147E 54S146E, and decaying near 52S150E 54S150E at 200900UTC. AREA AFFECTED Bounded by 50S141E 50S150E 52S152E 54S150E 53S143E 50S141E. FORECAST Westerly quarter winds within 240nm west of trough shifting northwesterly quarter within 240nm east of trough. Wind speeds 30/40 knots. Winds easing below 34 knots by 201200UTC. 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. No further alerts will be issued for this event.