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 22 December 2025
Part 1 Warnings
Refer to latest warnings for details of the area affected.
Melbourne Gale Warning 12.
Part 2 Situation at 221800 UTC
Trough near 41S149E 44S154E. Forecast near 40S158E 43S161E to low [1] 990hPa
near 46S159E at 230600UTC, then exiting east of area.
Trough [2] near 32S154E 37S166E. Forecast near 27S153E 33S168E at 240000UTC.
Forecast cold front entering from west of area near 45S129E 48S135E 50S135E at
230000UTC, near 42S161E 47S158E 50S152E to developing low [2] 982hPa near
49S148E at 240000UTC.
Part 3 Forecast
Refer to latest warnings for boundary of affected area and type of weather
system.
South of line 41S163E 32S154E 38S144E 40S129E, outside warning areas:
Westerly quarter winds shifting northwesterly east of cold front/troughs,
southwesterly quarter west of cold front, southerly quarter south of troughs,
and clockwise within 120nm of lows. 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 swell to moderate
swell, increasing to moderate to heavy south of line 33S129E 38S142E.
Rain areas, scattered showers and isolated thunderstorms mostly within 120nm
front and troughs, heavy at times within 60nm of trough [2]. 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 Tuesday.
