IDY21040 40:2:1:04:55S100E25060:01:00 SECURITE High Seas Weather Warning for METAREA 10 Issued by the Australian Government Bureau of Meteorology At 0552UTC 9 April 2026 GALE WARNING 5 FOR SOUTHEASTERN AREA SITUATION AT 090600UTC Vigorous westerly flow developing. AREA AFFECTED Bounded by 37S134E 37S137E 39S146E 41S144E 40S134E 37S134E. FORECAST Westerly quarter winds 30/40 knots developing west of 140E after 091500UTC, contracting to east of 140E at 100000UTC, and contracting to 146E by 100600UTC. Rough to very rough seas. Low to 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 1300 UTC 09 April 2026