FQAU23 AMMC 300900

IDY10220

SECURITE



High Seas Forecast for Western METAREA 10

12S TO 30S BETWEEN 90E AND 125E, AND 30S TO 50S BETWEEN 80E AND 129E



Issued by the Australian Government Bureau of Meteorology

For 24 hours commencing 1100 UTC 30 September 2026



Part 1 Warnings

Refer to latest warnings for boundary of affected area and type of weather

system.



Melbourne Gale Warning 9.

Melbourne Gale Warning 12.



Part 2 Situation at 300600 UTC

Cold front [1] 38S118E 44S126E 50S127E. Forecast moving east of area thereafter.



Forecast cold front [2] 48S080E 50S082E entering area at 301200UTC and 39S086E

43S096E 50S108E at 011200UTC.



Part 3 Forecast

Refer to latest warnings for details of the area affected.



South of line 35S080E 34S129E, outside warning areas:

Northwesterly quarter winds, shifting southwesterly quarter within 720nm west

of cold fronts. Wind speeds 20/33 knots. Rough to very rough seas. Moderate to

heavy swell.



Remainder:

Winds not exceeding 25 knots. Moderate to rough seas. Low to moderate swell,

increasing up to heavy swell south of line 41S080E 29S104E 29S114E.



Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of

fronts, and north of 16S. Visibility reducing below 2nm in precipitation.



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 MELBOURNE



The next routine forecast will be issued at 21:00 UTC Wednesday.