FQAU23 AMMC 042100 IDY10220 SECURITE High Seas Forecast for Western METAREA 10 12S TO 30S BETWEEN 90E AND 125E, AND 30S TO 50S BETWEEN 80E AND 129E Issued by the Australian Government Bureau of Meteorology For 24 hours commencing 2300 UTC 4 August 2025 Part 1 Warnings Refer to latest warnings for details of the area affected. Melbourne Gale Warning 2. Melbourne Final Gale Warning 4. Melbourne Storm Force Wind Warning 8. Part 2 Situation at 041800 UTC Trough [1] 17S106E 14S094E to low 1007hPa near 09S092E, forecast 16S109E 16S094E to low 1008hPa near 12S092E at 060000UTC. Cold front [1] 36S122E 42S129E 50S130E, forecast 34S125E 37S129E at 050000UTC then east of area. Cold front [2] 46S101E 50S103E, forecast 45S126E 50S129E at 051800UTC then east of area. Trough [2] forecast entering area from west 29S073E 47S078E at 050600UTC then 30S081E 51S091E at 060000UTC. Cold front [3] forecast entering area from west 44S073E 51S080E at 051800UTC and 44S080E 50S083E at 060000UTC. Part 3 Forecast Refer to latest warnings for boundary of affected area and type of weather system. South of line 30S080E 42S107E 38S129E, outside warning areas: Westerly quarter winds, becoming northwesterly quarter within 360nm east of trough [2]. Wind speeds 20/33 knots. Rough to very rough seas. Moderate to heavy swell. North of line 21S090E 20S107E: Southeasterly quarter winds 20/30 knots south of trough [1]. Moderate to rough seas. Moderate to heavy swell. Remainder: Winds not exceeding 25 knots. Moderate to rough seas. Moderate to heavy swell.. Rain areas, scattered showers and isolated thunderstorms within 180nm of fronts and trough. Heavy at times within 180nm of trough [1]. Visibility reducing below 2nm in precipitation. 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. WEATHER MELBOURNE The next routine forecast will be issued at 09:00 UTC Tuesday.