IDY21030 40:2:1:04:70S125E35045:01:00 SECURITE High Seas Weather Warning for METAREA 10 Issued by the Australian Government Bureau of Meteorology, BNOC At 0726UTC 10 August 2020 GALE WARNING FOR SOUTHERN AND SOUTHEASTERN AREAS 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. SITUATION AT 0600UTC Vigorous westerly flow. AREA AFFECTED Bounded by 50S147E 54S147E 54S160E 49S160E 50S147E. FORECAST Westerly quarter winds 30/40 knots. Winds easing below 34 knots south of line 52S147E 54S157E by 101800UTC and throughout by 110600UTC. Rough to very rough seas. Moderate to heavy swell.