IDY21020 40:3:1:04:55S075E35060:11:00 SECURITE High Seas Weather Warning for METAREA 10 Issued by the Australian Government Bureau of Meteorology, BNOC At 1206UTC 23 March 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 1200UTC Vigorous flow developing associated with an approaching cold front, forecast 45S079E 48S081E at 231800UTC, 42S083E 45S087E 48S087E at 240000UTC, 41S089E 45S093E 48S091E at 240600UTC and 40S091E 44S098E 47S097E at 241200UTC. AREA AFFECTED Bounded by 45S080E 41S084E 39S093E 44S100E 49S088E 49S080E 45S080E. FORECAST Northwest quarter winds 30/40 knots developing within 120nm east of cold front by 232100UTC. Southwesterly quarter winds 30/40 knots within 420nm west of cold front from 232100UTC, extending to within 600nm southwest of cold front by 240600UTC. Rough to very rough seas. Moderate swell.