WOAU15 AMMC 252352 IDY21040 40:2:1:04:70S100E35060:01:00 SECURITE High Seas Weather Warning for METAREA 10 Issued by the Australian Government Bureau of Meteorology At 2352UTC 25 September 2026 GALE WARNING 5 FOR SOUTHERN AREA SITUATION AT 260000UTC Vigorous westerly quarter winds developing. AREA AFFECTED Bounded by 62S103E 51S142E 50S160E 62S160E 62S103E. FORECAST Westerly quarter winds 30/40 knots developing south of 60S by 260600UTC, expanding to south of 54S by 261200UTC, and throughout area by 261500UTC. 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 26 September 2026