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 2300 UTC 3 DECEMBER 2025
PART 1 WARNINGS
NIL.
PART 2 SITUATION AT 031800 UTC
TROUGH NEAR 06S090E 08S131E 10S142E. FORECAST SLOW MOVING.
PART 3 FORECAST
SOUTH OF LINE 13S142E 13S137E:
EASTERLY QUARTER WINDS 15/25 KNOTS. MODERATE TO ROUGH SEAS. LOW
SWELL.
REMAINDER:
WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL.
RAIN AREAS, SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGHOUT,
HEAVY AT
TIMES WITHIN 60NM OF LINE 09S096E 09S091E. 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 07:15 UTC THURSDAY.=
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 3 December 2025
Part 1 Warnings
Refer to latest warnings for details of the area affected.
Melbourne Gale Warning 1.
Part 2 Situation at 030600 UTC
Cold front entering from west of area near 47S129E to low 978hPa near 50S134E
at 031800UTC. Forecast near 45S145E 52S148E to low south of area at 041200UTC.
Forecast trough developing near 42S149E 43S154E 46S157E at 041200UTC.
Part 3 Forecast
Refer to latest warnings for details of the area affected.
South of line 40S129E 39S154E 42S162E outside of warning areas:
Westerly quarter winds shifting northwesterly quarter east of front and trough,
southwesterly quarter west of front and trough, and clockwise within 180nm of
low. 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 and within 360nm 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 20:00 UTC Wednesday.
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 3 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 030600 UTC
Cold front [1] near 43S093E 48S099E 50S099E. Forecast near 40S119E 44S126E to
low [1] 984hPa near 48S123E at 041200UTC.
Cold front [2] near 42S114E 45S120E to low [2] 982hPa near 49S124E. Forecast
42S123E 44S126E to low [2] 981hPa near 49S129E at 031200UTC, then exiting east
of the area.
Forecast warm front entering area from west near 43S085E 46S079E at 040000UTC.
Part 3 Forecast
Refer to latest warnings for boundary of affected area and type of weather
system:
South of line 50S082E 42S096E 38S111E 39S129E, outside warning areas:
Westerly quarter winds shifting northwesterly quarter east of cold fronts,
southwesterly quarter west of cold fronts and clockwise within 180nm of lows.
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,
increasing to moderate to heavy south of line 35S102E 35S129E.
Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of
fronts and within 240nm of lows. 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 Wednesday.
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 3 December 2025
Part 1 Warnings
Nil.
Part 2 Situation at 030600 UTC
Trough near 16S145E 17S158E 23S170E. Forecast near 12S145E 14S158E 18S170E at
041200UTC.
Part 3 Forecast
South of line 13S144E 19S170E:
Southeasterly quarter winds. Wind speeds below 20 knots north of trough,
increasing to 15/25 knots south of trough. Moderate to rough seas. Low to
moderate swell.
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 13S. 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 Wednesday.