Australian Government Bureau of Meteorology Head Office (Bureau National Operations Centre) Gale Warning 8 For Western Area Issued at 10:20 PM EST on Friday 18 September 2026 ================================================================================ 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. ================================================================================ Weather Situation Vigorous flow associated with low 998hPa near 35S112E. Forecast low 998hPa near 37S114E at 181800UTC, developing trough 35S115E to weakening low 998hPa near 39S116E at 190000UTC, trough near 35S119E 37S119E 40S120E at 190600UTC and trough 35S122E 40S124E at 191200UTC. 1900 UTC 18 September 2026