FQAU23 AMMC 050900

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 5 June 2026



Part 1 Warnings

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

system.



Melbourne Storm Force Wind Warning 2.

Melbourne Gale Warning 1.

Melbourne Gale Warning 4.

Melbourne Gale Warning 6.

Melbourne Gale Warning 11.



Part 2 Situation at 050600 UTC

Low 1015hPa near 28S106E. Forecast low 1018hPa near 28S108E at 060600UTC,

decaying thereafter.



Cold front [1] 36S080E 45S094E. Forecast cold front [1] 40S115E 50S126E at

061200UTC.



Warm front 45S094E 49S116E. Forecast warm front exiting south of area near

51S120E 50S140E at 060300UTC.



Cold front [2] 48S082E 50S087E. Forecast cold front [2] 45S117E 50S118E at

061200UTC.



Forecast cold front [3] entering from the west near 40S083E 50S092E at

060000UTC. Forecast cold front [3] 40S083E 50S092E at 061200UTC.



Trough near 13S092E 19S104E. Forecast slow moving.



Part 3 Forecast

Refer to latest warnings for details of the area affected.



South of line 32S080E 39S129E, outside warning area:

Westerly quarter winds, shifting northwesterly quarter east of cold fronts and

north of warm front, tending southwesterly quarter within 180nm west of cold

front [1] and within 600nm west of cold front [2]. Wind speeds 20/33 knots.

Rough to very rough seas. Moderate to heavy swell.



Remainder:

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

increasing to moderate to heavy swell south of line 31S101E 34S129E.



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

trough and within 120nm of cold fronts. 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.