IDY21040 40:2:1:04:70S100E35060:01:00 SECURITE High Seas Weather Warning for METAREA 10 Issued by the Australian Government Bureau of Meteorology At 1800UTC 17 November 2025 GALE WARNING 5 FOR WESTERN, SOUTHEASTERN AND SOUTHERN AREAS SITUATION AT 171800UTC Vigorous southwesterly flow. AREA AFFECTED Bounded by 57S108E 56S103E 54S104E 49S109E 40S127E 44S149E 47S149E 57S108E. FORECAST Southwesterly quarter winds 34/47 knots east of line 47S104E 57S104E. Winds easing below 34 knots west of longitudes 110E by 180000UTC, and west of 114E by 180600UTC. 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 18 November 2025