IDY21000 40:2:1:04:55S075E35060:01:00 SECURITE High Seas Weather Warning for METAREA 10 Issued by the Australian Government Bureau of Meteorology At 0003UTC 20 May 2026 GALE WARNING 1 FOR WESTERN AREA SITUATION AT 200000UTC Vigorous flow associated with a trough 44S096E 48S093E. Forecast near 43S101E 48S099E at 200600UTC, then weakening. AREA AFFECTED Bounded by 46S088E 50S087E 45S100E 43S100E 46S088E. FORECAST Southwesterly quarter winds within 240nm west of trough. Wind speeds 30/40 knots. Winds easing below 34 knots throughout by 201200UTC. 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 0700 UTC 20 May 2026