IDY21070 40:2:1:04:70S100E35060:01:00 SECURITE High Seas Weather Warning for METAREA 10 Issued by the Australian Government Bureau of Meteorology At 1804UTC 17 November 2025 GALE WIND WARNING 8 FOR WESTERN, SOUTHEASTERN, AND SOUTHERN AREAS SITUATION AT 171800UTC Vigorous flow associated with trough 44S151E 48S152E to low 965hPa near 50S148E at 1. Forecast trough 44S157E 49S158E to low 963hPa near 51S154E at 180000UTC, then just low 965hPa near 53S157E at 180600UTC, low 966hPa near 55S162E at 181200UTC, and then east of area thereafter. AREA AFFECTED Bounded by 44S160E 43S144E 48S131E 50S130E 53S134E 52S139E 52S160E 44S160E. FORECAST Southwesterly quarter winds 30/47 knots within 540nm west of trough, and shifting northwesterly quarter 30/40 knots within 180nm east of trough, and also turning clockwise winds 30/47 knots within 60nm of northern semicircle of low. Wind speeds Rough seas, rising to very rough to high seas west of trough and within 120nm of northern semicircle of low. Low to moderate 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 0100 UTC 18 November 2025