FQAU23 AMMC 022100

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 2 September 2025



Part 1 Warnings

Refer to latest warnings for details of the area affected.



Melbourne Gale Warning 1.

Melbourne Gale Warning 4.

Melbourne Gale Warning 12.



Part 2 Situation at 021800 UTC



Cold front [1] near 29S087E 35S094E to low [1] 1004hPa near 39S093E to warm

front near 41S094E 41S100E. Forecast cold front [1] near 29S099E 38S109E to low

[1] 987hPa near 48S105E to warm front near 49S108E 50S114E at 040000UTC.



Cold front [2] near 40S079E 48S083E 50S083E. Forecast cold front [2] near

36S084E 48S092E 50S094E at 031200UTC, then south of area thereafter.



Cold front [3] west of area, forecast near 39S080E 44S082E to low [2] 989hPa

near 48S080E at 030600UTC, cold front [3] near 34S088E 38S092E to low [2]

995hPa near 44S090E at 031800UTC, and just cold front [3] near 32S093E 36S097E

40S098E at 040000UTC.



Part 3 Forecast

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

system.



South of line 35S080E 31S096E 35S110E 46S119E 39S129E, outside warning areas:

Westerly quarter winds, shifting northwesterly within 540nm east of cold

fronts, turning southwesterly quarter within 300nm west of cold fronts,

shifting northerly quarter within 300nm north of warm front and turning

clockwise within 360nm of lows. Wind speeds 20/33 knots. Moderate to rough

seas. Moderate to heavy swell.



West of line 12S101E 15S098E 19S090E:

Southeasterly quarter winds 15/25 knots. Moderate to rough seas. Moderate swell.



Remainder:

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

increasing to moderate to heavy south of line 35S111E 33S129E.



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

low and 240nm 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 09:00 UTC Wednesday.