FQAU22 AMMC 172100

IDY10210

SECURITE



High Seas Forecast for South Eastern METAREA 10

SOUTH EASTERN AREA: COAST AT 25S TO 25S170E TO 29S170E TO 45S160E TO 50S160E TO

50S129E TO COAST AT 129E



Issued by the Australian Government Bureau of Meteorology

For 24 hours commencing 2300 UTC 17 September 2025



Part 1 Warnings

Refer to latest warnings for details of the area affected.



Melbourne Hurricane Force Wind Warning 10.

Melbourne Gale Warning 11.

Melbourne Gale Warning 12.



Part 2 Situation at 171800 UTC

Cold front [1] near 36S129E 45S140E 50S140E. Forecast near 40S141E 50S152E at

181200UTC, then near 43S152E 46S156E 50S157E at 190000UTC.



Forecast cold front [2] entering area from west near 36S126E 39S129E to low

991hPa near 42S130E at 181800UTC, then near 36S132E 40S136E to low 990hPa near

42S135E at 190000UTC.



Forecast cold front [3] entering area from west near 41S123E 48S131E 50S131E at

180300UTC, then near 45S139E 50S145E at 190000UTC.



Trough [1] near 31S158E 36S166E. Forecast weakening near 29S160E 30S170E at

181800UTC.



Trough [2] forecast entering area from west near 45S127E 50S133E at 181800UTC,

then near 44S136E 50S136E at 190000UTC.



Part 3 Forecast

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

system.



South of line 32S129E 44S161E, outside warning areas:

Westerly quarter winds shifting northerly quarter within 480nm east of front

[1], northwesterly quarter within 360nm east of front [3], and southwesterly

quarter within 480nm west of front [2] and trough [1]. Winds turning clockwise

within 120nm of low. Wind 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 to moderate to heavy south of line 35S166E 38S153E.



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

fronts and troughs, and within 240nm of low. Heavy at times within 120nm of

low. 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 Thursday.