IDY21090 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 19 March 2026 GALE WARNING 10 FOR SOUTHERN AND WESTERN AREAS SITUATION AT 191200UTC Vigorous southwesterly flow developing. AREA AFFECTED Bounded by 51S081E 46S093E 50S099E 55S087E 51S081E. FORECAST Southwesterly quarter winds 30/40 knots developing throughout area from 200000UTC. 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. The next alert will be issued by 1900 UTC 19 March 2026