FQAU23 AMMC 282000

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 28 October 2026



Part 1 Warnings

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

system.



Melbourne Gale Warning 11.



Part 2 Situation at 281800 UTC

Cold front [1] near 43S081E 50S090E. Forecast cold front [1] near 43S111E

50S121E at 300000UTC.



Cold front [2] near 41S103E to low [1] 1006hPa near 46S109E to warm front near

49S121E. Low 999hPa near 50S122E to warm front near 50S129E at 290600UTC and

south of area thereafter. Forecast cold front [2] near 45S121E 50S128E at

300000UTC.



Low [2] 1009hPa forecast to develop near 34S102E at 291200UTC. Forecast low [2]

1008hPa near 33S104E at 300000UTC.



Trough near 27S090E 41S103E. Forecast trough near 17S090E 24S102E 33S105E at

300000UTC.



Low [3] 1006hPa forecast to develop near 32S127E at 291500UTC. Forecast low

1006hPa near 36S129E at 300000UTC.



Part 3 Forecast

Refer to latest warnings for details of the area affected.



South of line 39S080E 46S129E:

Westerly quarter winds shifting northwesterly quarter within 420nm east of cold

fronts, shifting southwesterly quarter west of cold front [1]. Winds tending

clockwise within 180nm of low [1]. Wind speeds 20/30 knots. Rough seas.

Moderate to heavy swell.



Within 660nm of trough and low [2]:

Southerly quarter winds within 660nm west of trough, shifting northwesterly

quarter winds within 360nm east of trough, and turning clockwise within 360nm

of low [2]. Wind speeds 20/30 knots. Rough seas. Moderate swell.





Remainder, outside warning areas:

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

increasing to heavy swell south of line 40S087E 39S094E 41S100E.



Rain areas, scattered showers and isolated thunderstorms mostly within 240nm of

fronts and lows. 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 08:00 UTC Thursday.