IDY21020 40:2:1:04:70S075E25090:01:00 SECURITE High Seas Weather Warning for METAREA 10 Issued by the Australian Government Bureau of Meteorology At 2359UTC 26 February 2026 GALE WARNING 3 FOR SOUTHERN AREA SITUATION AT 270000UTC Forecast developing cold front near 56S155E 59S155E 62S152E at 271200UTC, 55S167E 60S164E 62S159E near 271800UTC, and 55S172E 58S175E 61S168E at 280000UTC. AREA AFFECTED Bounded by 55S160E 61S160E 62S153E 62S144E 55S151E 55S160E. FORECAST Westerly quarter winds 30/40 knots within 300nm west of cold front developing from 271200UTC, extending to within 660nm west of trough from 280000UTC. 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 27 February 2026