IDY10220 SECURITE High Seas Forecast for Western Metarea 10 WESTERN AREA: 12/30S 90/125E, 30/50S 80/129E Issued by the Australian Government Bureau of Meteorology, BNOC For 24 hours commencing 2300 UTC 30 August 2016 PLEASE BE AWARE Wind gusts can be a further 40 percent stronger than the averages given here, and maximum waves may be up to twice the height. Part 1 Warnings Melbourne Gale Warning 2 issued 301805UTC: Area bounded by 50S080E 33S080E 38S097E 50S117E 50S080E. Part 2 Situation at 1800 UTC Refer to latest warnings. Ridge  29S090E to high 1026 hPa near 32S096E to 23S109E 23S115E. Forecast 28S090E to high 1026 hPa near 32S099E to 22S111E 22S117E at 310600UTC and 27S090E to high 1028 hPa near 32S102E to 27S117E at 311800UTC. Ridge  from high 1026 hPa near 32S096E to 43S109E 50S114E. Forecast from high 1026 hPa near 32S099E to 44S116E 50S123E at 310600UTC and from high 1028 hPa near 32S102E to 37S113E 44S122E 46S129E at 311800UTC. Trough  26S109E 37S116E 45S120E 50S126E. Forecast 33S118E 43S121E 46S129E at 310600UTC and 32S126E 37S123E 43S123E at 311800UTC. Trough  48S077E 50S082E. Forecast 43S080E 50S093E at 310600UTC and 36S080E 43S092E 50S100E at 311800UTC. Cold front 33S080E 42S091E 50S099E. Forecast 30S080E 38S094E 45S103E 50S107E at 310600UTC and 30S085E 41S104E 50S117E at 311800UTC. Part 3 Forecast Refer to latest warnings. Within 120nm of ridges and 180nm of high: Variable winds below 20 knots. Slight to moderate seas. Moderate swell. Remainder north of ridge : Variable below 20 knots northeast of a line 12S102E 16S106E 21S116E, northeast of 12S102E 20S121E after 311200UTC. SE quarter winds 10/20 knots remainder reaching 25 knots at times. Slight to moderate seas. Moderate swell decreasing to low east of 115E. Remainder south of ridge  and northeast of ridge : N quarter winds 15/25 knots within 240nm east of trough  north from 40S until 310600UTC. Variable winds below 20 knots remainder east of trough . S quarter winds 15/25 knots west of trough  increasing to 20/30 knots within 180nm west of trough  between 30S and 38S until 311200UTC. Slight to moderate seas east of trough . Moderate to rough seas west of trough . Moderate swell. Remainder south of ridge  and southwest of ridge  outside warning area: NW quarter winds east of cold front tending W quarter between cold front and trough  and SW quarter west of trough . Wind speeds 15/25 knots within 180nm of ridges increasing to 20/33 knots elsewhere outside warning area but easing to 15/25 knots again north of 35S after 311200UTC. Moderate to rough seas. Moderate swell increasing to heavy southwest of cold front. Areas of rain, scattered showers and isolated thunderstorms within 180nm of cold fronts and troughs. Visibility reducing to below 2nm in precipitation. WEATHER MELBOURNE The next routine forecast will be issued at 09:00 UTC Wednesday.