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 18 September 2026 Part 1 Warnings Refer to latest warnings for boundary of affected area and type of weather system. Melbourne Storm Force Warning 2. Melbourne Gale Warning 10. Part 2 Situation at 181800 UTC Cold front [1] near 45S145E 50S153E. Forecast near 39S171E 50S173E at 191500UTC and exiting east thereafter. Forecast cold front [2] entering from west near 38S110E 50S129E at 190900UTC, then near 37S126E 41S134E 50S142E at 200000UTC. Part 3 Forecast Refer to latest warnings for details of the area affected. South of line 34S129E 38S145E 34S170E, outside warning areas: Westerly quarter winds, shifting northwesterly quarter within 660nm east of cold front [2], turning southwesterly quarter west of cold front [2] and within 480nm west of cold front [1]. Wind speeds 25/33 knots. Rough to very rough seas. Moderate swell, increasing up to heavy swell south of line 46S129E 35S166E. Remainder: Winds not exceeding 25 knots. Moderate to rough seas. Moderate to heavy swell. Rain areas, isolated showers and isolated thunderstorms mainly within 240nm of fronts. 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 Saturday.