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 0003UTC 20 May 2026 STORM FORCE WIND WARNING 2 FOR WESTERN, SOUTHEASTERN, AND SOUTHERN AREAS SITUATION AT 200000UTC Vigorous flow associated with low 976hPa near 50S112E. Forecast 968hPa near 53S120E at 200600UTC, 961hPa near 54S120E at 201200UTC, 963hPa near 54S124E at 201800UTC, and 966hPa near 55S130E at 210000UTC. AREA AFFECTED Bounded by 49S138E 44S121E 45S105E 58S114E 58S136E 49S138E. FORECAST Clockwise winds initially within 540nm of low and expanding to all quadrants by 200600UTC. Wind speeds 35/45 knots, increasing to 40/50 knots within 180nm of low in northern quadrant from 201200UTC. Very rough to high seas, rising to very high 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 20 May 2026