IDY21010 40:2:1:04:70S075E35060:01:00 SECURITE High Seas Weather Warning for METAREA 10 Issued by the Australian Government Bureau of Meteorology, BNOC At 1223UTC 12 August 2020 GALE WARNING FOR SOUTHERN AREA 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 1200UTC Vigorous clockwise flow developing around a low forecast 981hPa near 56S080E at 130000UTC, 980hPa near 57S083E at 130600UTC, 979hPa near 57S086E at 131200UTC. AREA AFFECTED Bounded by 55S080E 56S088E 58S087E 57S080E 55S080E. FORECAST Clockwise winds 30/40 knots in the northern semicircle of low from 130000UTC. Rough to very rough seas. Moderate swell.