IDY21050 40:2:1:04:70S100E35060:01:00 SECURITE High Seas Weather Warning for METAREA 10 Issued by the Australian Government Bureau of Meteorology At 0556UTC 9 October 2026 GALE WARNING 6 FOR WESTERN AND SOUTHEASTERN AREAS SITUATION AT 090600UTC Vigorous flow associated with trough 36S120E 44S127E to low 967hPa near 48S123E. Forecast trough 37S127E 40S131E 45S132E to low 965hPa near 48S126E at 091200UTC, 37S134E 43S138E to low 965hPa near 49S131E at 091800UTC, 43S143E 46S144E to decaying low 967hPa near 51S134E at 100000UTC, and trough 43S145E 47S146E 50S141E at 100600UTC. AREA AFFECTED Bounded by 43S108E 37S117E 36S127E 44S148E 50S147E 49S108E 43S108E. FORECAST Westerly quarter winds 34/47 knots within 900nm southwest of trough turning northwesterly quarter within 180nm east of trough. Very rough to high seas. Moderate to heavy swell. 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. The next alert will be issued by 1300 UTC 09 October 2026