40:2:1:04:55S075E50060:11:00 IDY21010 SECURITE HIGH SEAS WEATHER WARNING FOR METAREA 10 Issued by the Bureau of Meteorology National Meteorological and Oceanographic Centre AT 1315UTC 06 MAY 2013 GALE WARNING FOR WESTERN AREA PLEASE BE AWARE Wind gusts can be 40 percent stronger than the averages given here, and maximum waves may be up to twice the height. Situation Vigorous flow developing near a developing trough and low. Trough forecast from 18S105E to low 998 hPa near 36S111E to 43S112E at 070001UTC, from 18S108E to low 993 hPa near 38S113E to 44S120E at 070600UTC and from 28S113E to low 991 hPa near 39S114E to 43S120E at 071200UTC. Area Affected Bounded by 30S096E 28S105E 25S110E 28S114E 35S117E 37S113E 44S120E 40S100E 30S096E. Forecast Southerly quarter winds 30/40 knots developing west of trough after 062100UTC. Wind speeds increasing to 35/47 knots after 070900UTC. Winds shifting northerly quarter east of trough and increasing to 30/40 knots after 070001UTC. Rough to very rough seas. Moderate to heavy swell. WEATHER MELBOURNE