IDY10220
SECURITE
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 27 November 2025
Part 1 Warnings
Refer to latest warnings for details of the area affected.
Melbourne Gale Warning 6.
Part 2 Situation at 270600 UTC
Trough 38S118E 42S126E. Forecast trough east of area near 33S131E 40S136E at
280600UTC.
Cold front 33S086E 46S096E 50S095E. Forecast cold front 39S110E 43S116E 50S115E
at 281200UTC.
Low 979hPa near 50S084E. Forecast low 979hPa south of area near 52S095E at
280000UTC.
Part 3 Forecast
Refer to latest warnings for boundary of affected area and type of weather
system.
East of line 21S111E 30S111E:
Southerly quarter winds 20/30 knots. Rough seas. Moderate to low swell.
East of line 32S117E 40S115E:
Westerly quarter winds shifting southwesterly quarter west of trough. Wind
speeds 20/30 knots. Rough seas. Moderate to heavy swell.
South of line 38S080E 40S107E, outside of warning area:
Northwesterly quarter winds, shifting westerly quarter west of cold front. 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.
Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of
front, trough and 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 20:00 UTC Thursday.
