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 7 October 2025 Part 1 Warnings Refer to latest warnings for details of the area affected. Melbourne Gale Warning 3. Melbourne Gale Warning 4. FINAL Melbourne Gale Warning 2. Part 2 Situation at 071800 UTC Trough [1] near 32S157E 37S153E. Forecast near 35S170E 40S165E at 081500UTC then east of area afterwards. Low [1] 1004hPa developing near 38S152E at 081500UTC, forecast 1004hPa near 41S158E at 090000UTC Trough [2] near 42S118E 50S128E. Forecast 43S144E 50S149E at 090000UTC. Cold front 35S130E 46S144E 50S166E. Forecast 48S160E 52S167E at 081500UTC then east of area afterwards. Part 3 Forecast Refer to latest warnings for boundary of affected area and type of weather system. Within 240nm of line 30S150E 41S162E: Northwesterly quarter winds reaching 20/30 knots from 080900UTC. Moderate to rough seas. Low to moderate swell, increasing to moderate to heavy swell south of line 41S154E 41S163E. South of line 33S129E 34S137E 39S150E 44S161E, outside warning areas: Northwesterly quarter winds. Wind speeds 20/33 knots. Rough seas. Moderate to heavy swell. Remainder: Winds not exceeding 25 knots. Slight to moderate seas. Low to moderate swell, increasing to moderate to heavy swell south of lines 31S129E 33S135E and 41S154E 41S163E. Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of front, low, trough [1], and increasing to within 360nm of trough [2]. 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 08:00 UTC Wednesday.