IDY21030 40:2:1:04:70S075E35060:01:00 SECURITE High Seas Weather Warning for METAREA 10 Issued by the Australian Government Bureau of Meteorology At 1158UTC 30 September 2025 GALE WIND WARNING 4 FOR WESTERN AND SOUTHERN AREAS SITUATION AT 301200UTC Vigorous flow associated with low 975hPa near 53S110E. Forecast low 972hPa near 54S115E at 301800UTC, and weakening low 969hPa near 56S117E at 010000UTC. AREA AFFECTED Bounded by 46S111E 54S102E 54S124E 49S120E 46S111E. FORECAST Clockwise winds within 520nm of low in northern quadrant, contracting to within 360nm in the northern quadrant at 301800UTC. Wind speeds 34/47 knots, easing below 34 knots throughout whole area by 010300UTC. 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 1900 UTC 30 September 2025