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 19 May 2026 Part 1 Warnings Refer to latest warnings for boundary of affected area and type of weather system. Melbourne Gale Warning 11. Melbourne Gale Warning 1. Melbourne Gale Warning 2. Part 2 Situation at 191800 UTC Cold front [1] 36S110E 48S114E to low [1] 978hPa near 51S108E. Forecast 52S150E 58S137E to low 966hPa near 55S130E at 210000UTC. Low [2] 985hPa near 56S140E. Forecast low 986hPa near 57S154E at 200900UTC then decaying. Cold front [2] forecast to enter area from the west near 50S083E 54S080E at 201500UTC, then near 50S086E 57S088E 59S080E at 210000UTC. Part 3 Forecast Refer to latest warnings for details of the area affected. South of line 60S093E 59S160E: Winds not exceeding 25 knots. Moderate to rough seas. Moderate to heavy swell. Remainder, outside warning areas: Westerly quarter winds, shifting northwesterly quarter within 600nm east of cold fronts, and turning clockwise within 300nm of lows. Wind speeds 20/33 knots. Rough to very rough seas. Moderate to heavy swell. Rain areas, scattered showers and isolated thunderstorms mostly within 120nm of trough/front and within 300nm of lows. Visibility reducing below 2nm in precipitation. Part 4 Ice edge Approximately 62S080E 62S100E 63S120E 64S130E 64S140E 63S160E. 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 Wednesday.