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 1100 UTC 17 November 2025 Part 1 Warnings Refer to latest warnings for details of the area affected. Melbourne Gale Warning 5. Melbourne Gale Warning 8. Melbourne Gale Warning 9. Melbourne Gale Warning 10. Part 2 Situation at 170600 UTC Low [1] 967hPa near 55S142E. Forecast low [1] 961hPa near 55S145E at 181200UTC. Developing low [2] 974hPa near 51S137E. Forecast 965hPa near 56S143E at 180900UTC, then exiting east. Low [3] 971hPa near 59S105E. Forecast low [3] 981hPa near 56S114E at 171800UTC, then weakening thereafter. Forecast trough developing near 56S102E 57S114E at 171800UTC, then 46S121E 51S134E at 181200UTC, mostly north of area. Forecast cold front approaching area from west near 40S070E 48S077E 55S080E 61S080E at 171200UTC, then near 50S090E 62S095E at 181200UTC. Part 3 Forecast Refer to latest warnings for boundary of affected area and type of weather system. Whole area, outside of warning areas: Westerly quarter winds shifting northwesterly quarter within 360nm east of cold front, southeasterly quarter southwest of trough, and turning clockwise within 540nm of low [1] in all quadrants except the southeast, within 240nm of lows [2] and [3]. Wind speeds 20/33 knots. Rough to very rough seas. Moderate to heavy swell. Rain areas, scattered showers and isolated thunderstorms mostly within 240nm of front and trough, and within 480nm of lows. Visibility reducing below 2nm in precipitation. Part 4 Ice edge Approximately 62S080E 63S090E 60S098E 62S110E 62S130E 60S150E 62S160E. 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 20:00 UTC Monday.