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 25 November 2025
Part 1 Warnings
Refer to latest warnings for details of the area affected.
Melbourne Gale Warning 4.
Part 2 Situation at 250600 UTC
Trough [1] 42S129E to low 983hPa near 46S143E. Forecast 39S131E 47S148E to low
970hPa south area near 51S149E at 251800UTC, and just trough 38S141E 44S154E
50S154E at 261200UTC.
Trough [2] initially west of area near 32S125E 42S129E. Forecast trough [2]
32S137E 39S141E at 251800UTC, and trough [2] 31S153E 36S160E 45S160E at
261200UTC.
Part 3 Forecast
Refer to latest warnings for boundary of affected area and type of weather
system.
Westerly quarter winds shifting southwesterly quarter west of trough [1], and
within 300nm west of trough [2] until 260000UTC. Becoming northwesterly quarter
east of trough [1], and east or north of trough [2] after 260000UTC. Clockwise
winds within 240nm of low. Wind speeds 20/33 knots. Moderate to rough seas. Low
to moderate swell, increasing to moderate to heavy swell west of 148E.
Remainder:
Winds not exceeding 25 knots. Moderate to rough seas. Low to moderate swell.
Rain areas, scattered showers and isolated thunderstorms mostly within 240nm of
troughs and 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 Tuesday.
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 25 November 2025
Part 1 Warnings
Nil.
Part 2 Situation at 250600 UTC
Trough 04S152E 11S170E, forecast slow moving.
Part 3 Forecast
Within 240nm north of trough:
Northwesterly quarter winds. Wind speeds 15/25 knots initially, easing below 20
knots from 250600UTC. Moderate to rough seas. Low to moderate swell.
Remainder:
Winds not exceeding 20 knots. Slight to moderate seas. Low swell, increasing to
low to moderate south of line 20S170E 24S164E.
Rain areas, scattered showers and isolated thunderstorms mostly within 480nm of
trough and north of line 10S. Heavy within 300nm north of 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 Tuesday.
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 25 November 2025
Part 1 Warnings
Refer to latest warnings for details of the area affected.
Melbourne Gale Warning 4.
Part 2 Situation at 250600 UTC
Trough 32S125E 42S129E. Forecast trough east of area near 32S137E 38S137E at
251800UTC.
Cold front 30S090E 34S104E 41S110E to low [1] 995hPa near 47S103E. Forecast
cold front 29S090E 29S120E 40S122E to low [1] 1007hPa near 43S110E at 261200UTC.
Low [2] 1002hPa near 43S108E. Forecast low [2] 1004hPa near 41S117E at
261200UTC.
Forecast low [3] 985hPa west of area near 46S073E at 260000UTC, and low [3]
973hPa near 50S078E at 261200UTC.
Part 3 Forecast
Refer to latest warnings for boundary of affected area and type of weather
system.
East of 122E, south of Australia, outside warning areas:
Southerly quarter winds shifting southwesterly quarter west of trough tending
westerly quarter east of trough. Wind speeds 20/33 knots. Rough to very rough
seas. Moderate to heavy swell.
Bounded by area 39S102E 50S097E 39S120E 39S102E:
Southwesterly quarter winds shifting northeasterly quarter east or south of
cold front. Clockwise winds within 120nm of lows. Wind speeds 20/33 knots.
Moderate to rough seas. Low to moderate swell.
South of line 38S080E 38S089E:
Northwesterly quarter winds shifting clockwise about low [3]. Wind speeds 20/30
knots. Moderate to rough seas. Heavy swell.
East of line 21S111E 28S111E:
Southerly quarter winds 20/30 knots. Moderate to rough seas. Low to moderate
swell.
Remainder:
Winds not exceeding 25 knots. Moderate to rough seas. Low to moderate swell,
increasing to moderate to heavy south of line 30S.
Rain areas, scattered showers and isolated thunderstorms mostly within 120nm of
fronts and troughs, 60nm of lows [1] and [2], and 300nm of low [3]. 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 Tuesday.
40:2:1:31:11:01:00
IDY10240
SECURITE
UPDATED 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 25 NOVEMBER 2025
PART 1 WARNINGS
NIL
PART 2 SITUATION AT 250600 UTC
EX-TROPICAL CYCLONE "FINA" 995HPA NEAR 14.7S127.4E. FORECAST
EX-TROPICAL
CYCLONE 1006HPA NEAR 15.5S126.5E AT 260000UTC.
TROUGH NEAR 05S090E 06S103E 12S115E. FORECAST TROUGH 04S090E 04S103E
12S124E AT
261200UTC.
PART 3 FORECAST
SOUTH OF 12S AND WEST OF DARWIN, OUTSIDE WARNING AREAS:
WESTERLY QUARTER WINDS TURNING CLOCKWISE WITHIN 240NM OF EX-TROPICAL
CYCLONE
"FINA". WIND SPEEDS 20/33 KNOTS. ROUGH TO VERY ROUGH SEAS. MODERATE
TO HEAVY
SWELL.
NORTH OF 2S, WEST OF INDONESIA:
WESTERLY QUARTER WINDS 15/25 KNOTS. 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 THROUGHOUT
AREA,
BECOMING SCATTERED WITHIN 120NM OF TROUGH, NORTH OF 06S. HEAVY WITHIN
120NM OF
EX-TROPICAL CYCLONE FINA. 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 TUESDAY.=