IDY21010 40:2:1:04:70S125E35045:01:00 SECURITE High Seas Weather Warning for METAREA 10 Issued by the Australian Government Bureau of Meteorology At 0015UTC 19 September 2026 STORM FORCE WARNING 2 FOR SOUTHEASTERN AND SOUTHERN AREAS SITUATION AT 190000UTC Vigorous flow associated with trough 49S152E 55S157E. Forecast 53S157E 54S161E at 190600UTC, then near 48S163E 53S167E at 191200UTC and east of area thereafter. AREA AFFECTED Bounded by 50S145E 57S148E 57S160E 42S162E 44S147E 50S145E. FORECAST Southwesterly quarter winds initially throughout the area, contracting to east of 155E after 191200UTC. Wind speeds 34/47 knots, increasing to 45/55 knots within 240nm north of trough. Winds easing below 48 knots throughout by 190900UTC, and easing below 34 knots throughout by 191500UTC. Very rough to high seas, rising to very high seas with storm force winds. 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 0700 UTC 19 September 2026