IDY21050 40:2:1:04:70S075E75100:01:00 SECURITE High Seas Weather Warning for METAREA 10 Issued by the Australian Government Bureau of Meteorology, BNOC At 1747UTC 3 August 2020 GALE WARNING FOR WESTERN AND SOUTHERN 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 1800UTC Vigorous flow associated with a low 960hPa near 60S100E. Forecast 960hPa near 61S106E at 040000UTC, 961hPa near 62S114E at 040600UTC, 965hPa near 63S121E at 041200UTC, and 968hPa near 64S130E at 041800UTC. AREA AFFECTED Bounded by 49S091E 47S108E 56S140E 63S134E 61S084E 49S091E. FORECAST Westerly winds 30/40 knots within 660nm of low in the northern semicircle, tending clockwise within 360nm of low until 040600UTC. Rough to very rough seas. Heavy swell.