IDY21000 40:2:1:04:70S075E25090:01:00 SECURITE High Seas Weather Warning for METAREA 10 Issued by the Australian Government Bureau of Meteorology At 1755UTC 17 June 2025 GALE WARNING 1 FOR SOUTHERN AREA SITUATION AT 171800UTC Vigorous flow associated with a warm front 55S109E 55S119E at 171800UTC. Forecast low 960hPa developing near 58S110E to warm front 58S121E at 180000UTC, low 956hPa near 60S109E to warm front 61S123E at 180600UTC, low 955hPa near 63S123E to warm front south of ice edge near 63S112E 61S107E at 181200UTC, and low 954hPa south of ice edge near 61S103E at 181800UTC. AREA AFFECTED Bounded by 57S110E 57S118E 63S123E 63S108E 57S110E. FORECAST Easterly quarter winds south of warm front tending clockwise within 120nm of low. Wind speeds 30/40 knots within 120nm south of warm front. Expanding to within 120nm of the northeastern quarter of the low from 180000UTC. Winds easing below 34 knots by 181500UTC. 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 0100 UTC 18 June 2025