WOAU90 AMMC 180658
IDY21091
40:2:1:04:70S075E75100:01:00
SECURITE
High Seas Weather Warning for METAREA 10/11
Issued by the Australian Government Bureau of Meteorology
At 0658UTC 18 December 2025

FINAL GALE WARNING 11 FOR WESTERN AND NORTHERN AREAS

SITUATION AT 180600UTC
Vigorous clockwise flow associated with Tropical Low (03U) 1000hPa near
12.2S110.5E. Forecast low 1003hPa near 12.2S110.2E at 181200UTC, low 1003hPa
near 12.2S109.8E at 181800UTC, low 1000hPa near 12.1S109.4E at 190000UTC, and
low 1000hPa near 12.3S109.1E at 190600UTC.

AREA AFFECTED
Within 50nm of Tropical Low centre.

FORECAST
Clockwise winds 30/40 knots in northwestern quadrant of Tropical Low. Rough to
very rough seas. 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 TCWC Melbourne product IDW23200