FQAU23 AMMC 140900

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 14 August 2026



Part 1 Warnings

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

system.



Melbourne Gale Warning 1.

Melbourne Gale Warning 4.

Melbourne Gale Warning 6.



Part 2 Situation at 140600 UTC

Cold front 32S088E 44S101E 50S104E. Forecast near 41S115E 50S125E at 151200UTC.



Trough [1] near 44S090E 50S094E. Forecast near 46S104E 50S103E at 141800UTC,

then moving south of area.



Forecast trough [2] entering area from west near 45S080E 50S084E at 141800UTC,

and near 32S084E 42S093E 50S096E at 151200UTC.



Part 3 Forecast

Refer to latest warnings for details of the area affected.



South of line 30S080E 31S100E 45S129E, outside of warning areas:

Westerly quarter winds, shifting northerly quarter east of cold front,

northwesterly quarter within 300nm west of cold front and east of trough [2],

southwesterly quarter west of trough [2]. Wind speeds 20/33 knots. Rough to

very rough seas. Moderate to heavy swell.



Remainder:

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

decreasing to low to moderate swell east of line 12S119E 22S114E.



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

front, troughs, and north of line 19S092E 13S097E 18S113E. 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 Friday.