IDY21080 40:2:1:04:70S075E35060:01:00 SECURITE High Seas Weather Warning for METAREA 10 Issued by the Australian Government Bureau of Meteorology At 1159UTC 30 September 2025 GALE WARNING 9 FOR WESTERN AND SOUTHERN AREAS SITUATION AT 301200UTC Forecast developing trough near 50S075E 53S078E at 010300UTC, 48S075E 52S081E at 010600UTC, and 46S078E 50S086E at 011200UTC. AREA AFFECTED Bounded by 46S090E 50S090E 52S080E 45S080E 46S090E. FORECAST Westerly quarter winds 30/40 knots within 300nm of trough developing from 010300UTC. Rough to very rough seas. Moderate 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