IDY21090 40:2:1:04:70S100E35060:01:00 SECURITE High Seas Weather Warning for METAREA 10 Issued by the Australian Government Bureau of Meteorology At 0017UTC 19 September 2026 GALE WARNING 10 FOR SOUTHEASTERN, WESTERN AND SOUTHERN AREAS SITUATION AT 190000UTC Vigorous southwesterly flow. AREA AFFECTED Bounded by 52S096E 41S123E 44S139E 56S133E 62S122E 62S107E 52S096E. FORECAST Southwesterly quarter winds 30/40 knots initially west of line 49S102E 62S118E. Winds expanding to west of line 47S106E 62S128E by 190600UTC, west of line 43S115E 62S134E by 191200UTC and throughout by 191800UTC. 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 19 September 2026