FQAU23 AMMC 112100

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 2300 UTC 11 September 2026



Part 1 Warnings

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

system.



Melbourne Gale Warning 10.

Melbourne Gale Warning 11.

Melbourne Gale Warning 12.



Part 2 Situation at 111800 UTC

Trough near 33S115E 45S114E 51S118E. Forecast east of area near 34S139E 43S133E

at 130000UTC.



Cold front 38S080E 43S098E 50S107E. Forecast near 35S105E 40S116E 50S128E at

130000UTC.



Part 3 Forecast

Refer to latest warnings for details of the area affected.



South of line 35S080E 32S115E 32S129E 47S129E, outside warning areas:

Northerly quarter winds, shifting northwesterly quarter west of trough, and

westerly quarter west of cold front. Winds 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 south of line 26S090E 32S104E.



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

front and trough. 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 09:00 UTC Saturday.