WOAU03 AMMC 281749 IDY21020 40:2:1:04:70S075E35060:01:00 SECURITE High Seas Weather Warning for METAREA 10 Issued by the Australian Government Bureau of Meteorology At 1749UTC 28 August 2025 GALE WARNING 3 FOR WESTERN AND SOUTHERN AREAS SITUATION AT 281800UTC Vigorous flow developing associated with cold front 46S097E 51S103E 62S103E to low 951hPa near 60S088E. Then forecast low 950hPa near 61S093E at 290000UTC, low 950hPa near 61S096E at 290600UTC, low 953hPa near 61S099E at 291200UTC, and low 965hPa near 61S104E at 291800UTC. AREA AFFECTED Bounded by 42S090E 46S099E 55S111E 59S111E 61S080E 47S080E 42S090E. FORECAST Northwesterly quarter winds 30/40 knots within 240nm east of front until 282100UTC. Clockwise winds 34/47 knots within 600nm of low in the northern semicircle. Rough to very rough seas rising to very rough to high within 360nm of low. 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 0100 UTC 29 August 2025