IDY10250
SECURITE
High Seas Forecast for Southern METAREA 10
SOUTHERN AREA: 50S80E TO 50S160E TO ICE EDGE
Issued by the Australian Government Bureau of Meteorology
For 24 hours commencing 1100 UTC 20 September 2026
Part 1 Warnings
Refer to latest warnings for boundary of affected area and type of weather
system.
Melbourne Gale Warning 1.
Melbourne Gale Warning 6.
Melbourne Gale Warning 10.
Melbourne Gale Warning 11.
Part 2 Situation at 200600 UTC
Low 937hPa near 62S153E. Forecast 932hPa near 63S157E at 201800UTC, then
exiting east of area.
Cold front near 50S147E 56S157E. Forecast 50S154E 56S160E at 201200UTC, then
exiting east of area.
Trough near 52S080E 57S082E 63S080E. Forecast 55S130E 63S112E at 211200UTC.
Part 3 Forecast
Refer to latest warnings for details of the area affected.
Whole area, outside warning areas:
Westerly quarter winds, shifting southwesterly quarter west of front/trough,
northwesterly quarter east of front/trough and tuning clockwise within 480nm of
low. Wind speeds 20/33 knots. Rough to very rough seas. Moderate to heavy swell.
Rain areas, scattered showers and isolated thunderstorms mainly within 240nm of
front, trough, and low. Visibility reducing below 2nm in precipitation.
Part 4 Ice edge
Approximately 57S080E 58S090E 58S100E 62S130E 62S140E 61S150E 61S160E.
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 Sunday.
