IDY21090 40:2:1:04:55S075E35060:01:00 SECURITE High Seas Weather Warning for METAREA 10 Issued by the Australian Government Bureau of Meteorology At 0559UTC 29 June 2026 GALE WARNING 10 FOR WESTERN AREA SITUATION AT 290600UTC Vigorous flow associated with low 997hPa near 40S111E. Forecast low 999hPa near 40S116E at 291200UTC, low 996hPa near 39S119E at 291800UTC, low 996hPa near 38S121E at 300000UTC, low 992hPa near 38S124E at 300600UTC. AREA AFFECTED Bounded by 37S120E 34S119E 32S113E 32S112E 38S104E 42S107E 37S120E. FORECAST Clockwise winds within 300nm of low in western semicircle. Winds expanding to within 480nm of low in western semicircle by 290900UTC. Winds shifting to within 540nm of low in northwestern quadrant of low by 291200UTC. Wind speeds 30/40 knots. 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 1200 UTC 29 June 2026