IDY10230
SECURITE
High Seas Forecast for North Eastern METAREA 10
NORTHEASTERN AREA: EQUATOR TO 25S, 142E TO 170E
Issued by the Australian Government Bureau of Meteorology
For 24 hours commencing 1100 UTC 5 December 2025
Part 1 Warnings
Nil.
Part 2 Situation at 050600 UTC
Trough near 10S142E 18S170E. Forecast near stationary.
Part 3 Forecast
South of line 10S142E 16S160E 16S170E:
Southeasterly quarter winds 15/25 knots. Moderate to rough seas. Low swell,
increasing to low to moderate east of 160E
Remainder:
Winds not exceeding 20 knots. Slight to moderate seas. Low swell.
Rain areas, isolated showers and isolated thunderstorms mostly within 240nm of
trough, and north of 10S. 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 Friday.
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 5 December 2025
Part 1 Warnings
Refer to latest warnings for details of the area affected.
Melbourne Gale Warning 3.
Part 2 Situation at 050600 UTC
Cold front [1] near 41S100E 50S100E. Forecast cold front [1] 45S126E 50S121E at
061200UTC.
Cold front [2] near 46S084E 50S087E. Forecast cold front [2] 50S108E 46S106E
061200UTC.
Cold front [3] near 39S124E 41S129E. Forecast leaving area by 060000UTC.
Part 3 Forecast
Refer to latest warnings for details of the area affected.
South of 38S, outside warning areas:
Westerly quarter winds shifting northwesterly quarter within 540nm east of cold
front [1], cold front [2] and cold front [3]. Wind speeds 20/33 knots. Rough to
very rough seas. Moderate swell, increasing to moderate to heavy east of 112E.
Remainder:
Winds not exceeding 25 knots. Moderate to rough seas. Low to moderate swell,
increasing to heavy east of line 116E.
Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of
fronts. 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 Friday.
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 1100 UTC 5 December 2025
Part 1 Warnings
Refer to latest warnings for details of the area affected.
Melbourne Gale Warning 1.
Melbourne Gale Warning 3.
Part 2 Situation at 050600 UTC
Cold front near 41S129E 45S136E 50S138E. Forecast cold front near 47S159E
50S159E at 060600UTC then leaving area.
Part 3 Forecast
Refer to latest warnings for details of the area affected.
West of line 38S147E 47S160E, outside of warning areas:
Westerly quarter winds shifting northerly quarter within 240nm east of cold
front, wind speeds 20/33 knots. Rough to very rough seas. Moderate to heavy
swell.
South of line 27S154E 37S165E and north of line 38S147E 47S160E:
Northwesterly quarter winds. Winds not exceeding 25 knots initially, increasing
to 20/30 knots from 051800UTC. Rough to very rough seas. Low to moderate 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
low, fronts and trough. 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 Friday.
40:2:1:31:11:01:00
IDY10240
SECURITE
HIGH SEAS FORECAST FOR NORTHERN METAREA 8/10/11
NORTHERN AREA: EQUATOR TO 12S, 90E TO 142E AND SOUTHWARD TO COAST,
125E TO 142E
ISSUED BY THE AUSTRALIAN GOVERNMENT BUREAU OF METEOROLOGY
FOR 24 HOURS COMMENCING 1100 UTC 5 DECEMBER 2025
PART 1 WARNINGS
NIL.
PART 2 SITUATION AT 050600 UTC
TROUGH NEAR 09S090E 06S099E 09S142E. FORECAST SLOW MOVING.
PART 3 FORECAST
REMAINDER:
WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL.
RAIN AREAS, SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS MOSTLY NORTH
OF
TROUGH, WITHIN 300NM SOUTH OF TROUGH. HEAVY AT TIMES WITHIN 240NM OF
LOW IN
SOUTHERN QUADRANT. 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 19:15 UTC FRIDAY.=