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 2300 UTC 11 January 2026
Part 1 Warnings
Refer to latest warnings for details of the area affected.
Nil.
Part 2 Situation at 111800 UTC
Trough near 25S154E 32S159E 35S166E. Forecast near 25S153E 30S158E 36S159E
38S165E at 130000UTC.
Part 3 Forecast
Whole area:
Winds not exceeding 25 knots. Moderate to rough seas. Low to moderate swell,
increasing to moderate to heavy south of line 47S129E 47S147E.
Rain areas, scattered showers and isolated thunderstorms mostly within 240nm of
trough. Heavy at times within 120nm 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 08:00 UTC Monday.
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 2300 UTC 11 January 2026
Part 1 Warnings
Nil.
Part 2 Situation at 111800 UTC
Low [1] 1007hPa near 12S114E. Forecast low [1] 1008hPa near 13S117E at
130000UTC.
Trough [1] near 25S114E 38S116E. Forecast trough [1] 30S120E 36S117E 39S119E at
121200UTC, then near 34S118E 40S125E at 130000UTC.
Trough [2] near 44S080E 50S088E. Forecast trough [2] weakening near at
121200UTC.
Trough [3] 35S078E to low [2] 1022hPa near 40S081E. Forecast trough [2] 33S080E
37S088E to low [2] 1020hPa near 42S090E at 130000UTC.
Forecast cold front entering area from west near 47S080E 50S083E at 121200UTC,
then near 46S090E 50S095E at 130000UTC.
Part 3 Forecast
East of line 25S109E 38S109E:
Southerly quarter winds shifting easterly quarter east of trough [1]. Wind
speeds 20/30 knots west of trough, decreasing below 25 knots east of trough
[1]. Moderate to rough seas. Low to moderate swell.
South of line 44S080E 50S104E:
Northwesterly quarter winds shifting westerly quarter west of front and within
360nm west of trough [2]. Wind speeds 20/33. 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 47S120E 47S129E.
Rain areas, scattered showers and isolated thunderstorms mostly within 420nm of
low [1] and trough [1], within 120nm of low [2], cold front, and troughs [2]
and [3], and north of line 12S098E 18S090E. 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 08:00 UTC Monday.
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 2300 UTC 11 January 2026
Part 1 Warnings
Nil.
Part 2 Situation at 111800 UTC
Monsoon trough 17S155E 21S150E to low [1] 996hPa near 20S146E. Forecast monsoon
trough 21S154E 22S149E to low [1] 1001hPa near 19S144E at 130000UTC.
Trough [2] 09S163E to Tropical Low (14U) 1003hPa near 17S161E to 22S157E.
Forecast trough [2] 11S164E 17S164E to Tropical Low (14U) 1003hPa near 20S161E
to 21S157E at 130000UTC.
Part 3 Forecast
West of line 08S142E 09S147E 15S156E 24S152E:
Northwesterly quarter winds shifting easterly quarter south of monsoon trough
and turning clockwise within 300nm of low [1]. Wind speeds 15/25 knots,
increasing to 20/33 knots north of 17S. Moderate to rough seas, rising to rough
to very rough north of 17S. Low swell, increasing to low to moderate east of
line 11S148E 21S145E.
Within 180nm of Tropical Low (14U):
Clockwise winds. Wind speeds 20/30 knots, decreasing below 20 knots in
southeastern quadrant of low. 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 10S.
Rain areas, scattered showers and isolated thunderstorms mostly throughout most
of area. Heavy at times within 120nm of Tropical Low (14U), within 180nm south
of monsoon 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 08:00 UTC Monday.
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 11 JANUARY 2026
PART 1 WARNINGS
NIL.
PART 2 SITUATION AT 111800 UTC
TROUGH 05S096E TO LOW 1007HPA NEAR 12S114E. FORECAST TROUGH 09S095E
08S102E TO
LOW 1009HPA NEAR 12S116E AT 121200UTC, THEN TROUGH 11S090E 07S098E TO
LOW
1008HPA NEAR 13S117E AT 130000UTC.
PART 3 FORECAST
REFER TO LATEST WARNINGS FOR BOUNDARY OF AFFECTED AREA AND TYPE OF
WEATHER
SYSTEM.
WITHIN 240NM OF LINE 03S106E 10S123E:
NORTHWESTERLY QUARTER WINDS. WIND SPEEDS 15/25 KNOTS. MODERATE TO
ROUGH SEAS.
LOW SWELL.
EAST OF LINE EQ132E 06S125E 12S125E:
WESTERLY QUARTER WINDS. WIND SPEEDS 15/25 KNOTS, INCREASING TO 20/30
KNOTS EAST
OF LINE 06S131E 12S140E UNTIL 121200UTC. MODERATE TO ROUGH SEAS. LOW
SWELL.
REMAINDER:
WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL.
RAIN AREAS, SCATTERED SHOWERS AND THUNDERSTORMS MOSTLY WITHIN 360NM
OF TROUGH,
WITHIN 480NM OF LOW, AND EAST OF 122E. HEAVY AT TIMES IN NORTHERN
QUADRANT 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 07:15 UTC MONDAY.=