IDY10210 SECURITE High Seas Forecast for South Eastern METAREA 10 SOUTH EASTERN AREA: COAST AT 25S TO 25S170E TO 29S170E TO 45S160E TO 50S160E TO 50S129E TO COAST AT 129E 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 12. Melbourne Gale Warning 11. Melbourne Gale Warning 2. Part 2 Situation at 191800 UTC Trough [1] near 27S159E to low [1] 991hPa near 41S156E to 45S157E. Forecast trough [1] near 37S163E to low [1] 1001hPa near 42S162E at 201200UTC then moving east of area. Trough [2] forecast near 25S160E to low [2] 1006hPa near 32S160E by 200000UTC. Forecast near 25S166E to low [2] 1004hPa near 33S162E to 37S165E at 210000UTC. Cold front forecast to enter area from the west near 44S129E 50S131E at 201200UTC, then near 43S132E 50S144E at 210000UTC. Part 3 Forecast Refer to latest warnings for details of the area affected. North of line 41S129E 44S146E: Winds not exceeding 25 knots. Moderate to rough seas. Low to moderate swell. Remainder, outside warning areas. Westerly quarter winds, shifting southerly quarter west of troughs, northerly quarter east of troughs and within 600nm east of cold front , and clockwise within 180nm of lows. Wind speeds 20/33 knots. Rough seas. Moderate to heavy swell. Rain areas, scattered showers and isolated thunderstorms throughout. Heavy at times within 240nm of troughs and lows. 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 Wednesday.