FQAU23 AMMC 280900 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 1100 UTC 28 July 2026 Part 1 Warnings Refer to latest warnings for boundary of affected area and type of weather system. Melbourne Storm Force Wind Warning 11. Melbourne Gale Warning 9. Part 2 Situation at 280600 UTC Cold front [1] 48S109E 50S116E. Forecast 48S126E 50S129E at 281800UTC, east of area thereafter. Cold front [2] 45S086E 50S092E. Forecast 48S109E 50S116E at 291200UTC. Cold front [3] forecast to enter from the west near 41S070E 45S080E to low 978hPa near 49S081E at 281800UTC. Low 973hPa 50S090E at 290000UTC, then east of area thereafter, and just Cold front [3] near 39S102E 45S104E 50S103E at 281200UTC. Trough 26S088E 35S094E 40S096E. Forecast 27S101E 34S101E 38S102E at 291200UTC. Part 3 Forecast Refer to latest warnings for details of the area affected. South of line 36S080E 45S129E, outside warning areas: Westerly quarter winds shifting northwesterly quarter east of cold front [1], and within 480nm east of cold front [3] and [2]. Winds shifting southwesterly quarter west of cold front [3] and becoming clockwise within 360nm of low. Wind speeds 20/33 knots. Rough to very rough seas. Moderate to heavy swell. Remainder: Winds not exceeding 25 knots. Moderate to rough seas. Low to moderate swell, increasing to moderate to heavy swell south of line 37S118E 32S129E. Rain areas, scattered showers and isolated thunderstorms mostly within 120nm of fronts, trough and within 300nm of low. 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 21:00 UTC Tuesday.