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 16 September 2019 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. Part 1 Warnings Refer to latest warnings for details of the area affected. Melbourne Storm Force Wind Warning 1. Melbourne Gale Warning 3. Part 2 Situation at 1800 UTC Refer to latest warnings for boundary of affected area and type of weather system. Trough 29S151E to low 1013 hPa near 31S155E to 35S160E. Forecast 25S153E 29S156E to low 1016 hPa near 32S154E to 34S154E 36S160E at 180000UTC. Cold front  35S160E 38S168E and moving to east of area by 171200UTC. Cold front  approaching from the west and forecast 48S128E 50S133E at 180000UTC. Part 3 Forecast Refer to latest warnings. South of a line 40S129E 45S161E, outside warning areas: Westerly quarter winds, tending northwesterly quarter within 900nm east of cold front. Wind speeds 20/30 knots increasing to 25/33 knots within 120nm of warning areas. Rough to very rough seas. Moderate to heavy swell. Within 240nm of low in the southern semicircle west of trough, outside warning areas: Southeasterly quarter winds, tending clockwise within 90nm of low. Wind speeds 15/25 knots increasing to 20/30 knots from 170000UTC. Winds increasing to 25/33 knots within 60nm of warning area. Moderate to rough seas. Moderate to heavy swell. Within 180nm northeast of trough: Northerly quarter winds 15/25 knots, reaching up to 30 knots from 170000UTC. Moderate to rough seas. Low to moderate swell. Remainder: Winds not exceeding 20 knots. Slight to moderate seas. Moderate to heavy swell south of 31S. Rain areas, scattered showers and isolated thunderstorms within 180nm of cold fronts and trough. Isolated showers remainder south of 40S. Visibility reducing below 2nm in precipitation. WEATHER MELBOURNE The next routine forecast will be issued at 09:00 UTC Tuesday.