IDY21030 40:2:1:04:55S100E25060:01:00 SECURITE High Seas Weather Warning for METAREA 10 Issued by the Australian Government Bureau of Meteorology At 1147UTC 20 July 2025 GALE WARNING 4 FOR WESTERN AND SOUTHEASTERN AREAS SITUATION AT 201200UTC Vigorous flow associated with cold front near 30S116E 33S120E 39S125E. Forecast 30S124E 40S129E at 201800UTC, 31S130E 40S131E at 210000UTC, 31S133E 41S133E at 210600UTC and 32S137E 41S135E at 211200UTC. AREA AFFECTED Bounded by 37S117E 41S134E 41S141E 36S140E 31S133E 30S114E 37S117E. FORECAST Southwesterly quarter winds within 300nm west of front. Northerly quarter winds within 240nm east of front developing by 201800UTC. 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 1900 UTC 20 July 2025