IDY10220
SECURITE
Updated 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 1100 UTC 13 April 2026
Part 1 Warnings
Refer to latest warnings for boundary of affected area and type of weather
system.
Melbourne Hurricane Force Wind Warning 10.
Melbourne Gale Warning 11.
Part 2 Situation at 130600 UTC
Trough 12S099E 18S106E. Forecast slow moving.
Cold front [1] 40S123E 45S129E 50S131E. Forecast east of area thereafter.
Cold front [2] 40S080E 44S090E 48S094E to low 971hPa near 49S089E. Forecast
39S102E 41S110E 45S118E 50S120E to low 981hPa near 50S113E at 141200UTC
Cold front [3] forecast entering area near 45S076E 50S082E at 141200UTC.
Part 3 Forecast
Refer to latest warnings for details of the area affected.
South of line 46S080E 40S093E 42S129E, outside warning areas:
Northwesterly quarter winds, shifting southwesterly quarter within 840nm west
of cold fronts, and tending clockwise within 360nm of low. Wind speeds 20/33
knots. Rough seas. Moderate to heavy swell.
Remainder:
Winds not exceeding 25 knots. Slight to moderate seas. Low to moderate swell.
Rain areas, scattered showers and isolated thunderstorms mostly within 240nm of
cold fronts, trough, and within 300nm 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 21:00 UTC Monday.
