IDY10220 SECURITE High Seas Forecast for Western METAREA 10 WESTERN AREA: COAST AT 129E TO 50S129E TO 50S80E TO 30S80E TO 30S90E TO 12S90E TO 12S125E TO COAST AT 125E Issued by the Australian Government Bureau of Meteorology For 24 hours commencing 1100 UTC 19 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 Gale Warning 3. Part 2 Situation at 0600 UTC Refer to latest warnings for boundary of affected area and type of weather system. Trough 34S122E 39S129E. East of area by 191800UTC. Cold front  47S072E 55S086E. Forecast 40S116E 49S128E at 201200UTC. Ridge developing from west, forecast 37S104E 61S107E at 201200UTC. Cold front  approaching from west, forecast 32S078E 44S090E 61S090E at 201200UTC. High 1035hPa near 37S097E. Forecast high 1035hPa near 37S104E at 201200UTC. Part 3 Forecast Refer to latest warnings. South of line 34S080E 43S101E 34S116E, outside warning area: Southwest quarter winds east of high longitude, shifting northwest quarter east of front  and westerly quarter remainder to west. Wind speeds 20/33 knots. Moderate to rough seas. Moderate to heavy swell. Within area enclosed by 21S117E 18S110E 27S110E 28S115E: Southeast quarter winds reaching 20/30 knots. Moderate to rough seas. Low to moderate swell. Remainder: Winds not exceeding 25 knots. Slight to moderate seas. Low to moderate swell. Rain areas, scattered showers and isolated thunderstorms within 240nm of cold fronts and trough. Scattered showers remainder west of front  south of 35S. Visibility reducing below 2nm in precipitation. WEATHER MELBOURNE The next routine forecast will be issued at 21:00 UTC Thursday.