IDY10250 SECURITE High Seas Forecast for Southern METAREA 10 SOUTHERN AREA: 50S80E TO 50S160E TO ICE EDGE Issued by the Australian Government Bureau of Meteorology For 24 hours commencing 2300 UTC 8 April 2026 Part 1 Warnings Refer to latest warnings for boundary of affected area and type of weather system. Melbourne Gale Warning 1. Melbourne Gale Warning 2. Melbourne Gale Warning 3. Melbourne Gale Warning 4. Part 2 Situation at 081800 UTC Cold front [1] near 50S136E to low 977hPa near 54S132E. Forecast near 50S156E 55S153E 60S146E 59S139E to low [1] 974hPa near 55S137E at 100000UTC. Trough [1] near 62S151E 63S146E 60S134E. Forecast near 64S149E 62S141E 59S137E at 100000UTC. Forecast trough [2] entering area from west near 51S081E 53S081E to low [2] 957hPa near 55S079E at 090300UTC, and near 60S099E 62S091E to low [2] 961hPa near 63S081E at 100000UTC. Forecast trough [3] developing near 57S124E 56S128E 56S132E at 091200UTC, and near 50S130E 54S136E at 100000UTC. Part 3 Forecast Refer to latest warnings for details of the area affected. West of line 50S093E 59S107E 65S107E, outside of warning area: Northwesterly quarter winds, shifting northerly quarter east of trough [2], shifting northeasterly south of trough [2], and turning clockwise within 180nm of low [2]. Wind speeds 25/33 knots. Rough to very rough seas. Moderate to heavy swell. East of line 50S110E 58S111E 65S132E, outside of warning area: Southwesterly quarter winds, shifting westerly quarter within 240nm east of trough [3], shifting northwesterly quarter within 300nm west of cold front, shifting northerly quarter east of cold front, shifting southeasterly south of trough [1], shifting southerly south of trough [3], and turning clockwise within 360nm of low [1]. Wind speeds 25/33 knots. Rough to very rough seas. Moderate to heavy swell. Rain areas, scattered showers and thunderstorms mostly within 180nm of troughs, 240nm of front, and within 300nm of lows. Visibility reducing below 2nm in precipitation. Part 4 Ice edge Approximately 64S080E 63S090E 62S100E 65S110E 65S120E 64S130E 64S140E 65S150E 65S160E. 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 Thursday.