IDY21020 40:2:1:04:55S075E35095:11:00 SECURITE High Seas Weather Warning for METAREA 10 Issued by the Australian Government Bureau of Meteorology, BNOC At 1804UTC 29 April 2017 GALE WARNING FOR WESTERN AREA 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. SITUATION AT 1800UTC Vigorous southwesterly flow developing by 300600UTC. AREA AFFECTED Bounded by 50S127E 48S127E 48S121E 50S117E 50S127E. FORECAST Southwesterly quarter winds 30/40 knots developing west of 120E by 300600UTC, extending to west of 124E by 301200UTC and west of 127E by 301800UTC. Winds decreasing below 34 knots west of 123E by 301800UTC. Rough to very rough seas. Moderate to heavy swell.