IDY21020 40:2:1:04:70S100E35060:01:00 SECURITE High Seas Weather Warning for METAREA 10 Issued by the Australian Government Bureau of Meteorology, BNOC At 1745UTC 3 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 1800UTC Vigorous northwesterly flow developing. AREA AFFECTED Bounded by 49S080E 50S102E 62S102E 60S080E. FORECAST Northwest quarter winds 30/40 knots developing west of 88E after 040000UTC and extending throughout by 041200UTC. Rough to very rough seas. Moderate to heavy swell.