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 18 June 2026
Part 1 Warnings
Refer to latest warnings for boundary of affected area and type of weather
system.
Final Melbourne Gale Warning 5.
Part 2 Situation at 181800 UTC
Trough [1] near 33S135E 43S142E. Forecast trough [1] near 37S145E 38S150E
43S161E at 200000UTC.
Trough [2] near 35S150E 47S156E. Forecast trough [2] near 28S154E 42S162E at
200000UTC.
Cold front near 43S142E 50S156E. Forecast cold front near 44S156E 50S162E at
191200UTC, then east of area thereafter.
Part 3 Forecast
Refer to latest warnings for details of the area affected.
South of line 31S129E 30S156E 37S165E, outside warning area:
Northwesterly quarter winds shifting southwesterly quarter west of front and
southerly quarter within 420nm south of trough [1]. Wind speeds 20/30 knots.
Rough seas. Moderate swell increasing to heavy south of line 31S129E 40S144E
44S146E 43S151E 46S160E.
Remainder:
Winds not exceeding 25 knots. Moderate to rough seas. Low to moderate swell.
Rain areas, scattered showers and isolated thunderstorms mainly within 180nm of
cold front, and troughs. 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 Friday.