IDW23100
40:2:2:24:17S107E400:11:00
SECURITE
UPDATED
OCEAN WIND WARNING FOR METAREA 10
Issued by the Australian Bureau of Meteorology
Tropical Cyclone Warning Centre
at 1855 UTC 25 MARCH 2025
GALE WARNING
Please be aware, wind gusts can be a further 40 percent stronger than the
averages given here, and maximum waves may be up to twice the height.
SITUATION
At 1800 UTC Tropical Cyclone Courtney was centred within 30 nautical miles of
latitude seventeen decimal two south (17.2S)
longitude one hundred and seven decimal three east (107.3E)
Recent movement : west southwest at 9 knots
Maximum winds : 40 knots
Central pressure: 990 hPa
AREA AFFECTED
Within 30 nautical miles in NE quadrant
and within 70 nautical miles in SE quadrant
and within 90 nautical miles in SW quadrant
and within 40 nautical miles in NW quadrant.
FORECAST
Maximum winds to 40 knots near the centre increasing to 45 knots by 1800 UTC 26
March.
Winds above 34 knots 30 nautical miles in NE quadrant
and within 70 nautical miles in SE quadrant
and within 90 nautical miles in SW quadrant
and within 40 nautical miles in NW quadrant. with rough seas and moderate
swell.
Forecast positions
At 0600 UTC 26 March: Within 50 nautical miles of 17.4 south 105.1 east
Central pressure 990 hPa.
Winds to 40 knots near centre.
At 1800 UTC 26 March: Within 65 nautical miles of 17.1 south 103.0 east
Central pressure 987 hPa.
Winds to 45 knots near centre.
REMARKS
All ships in the area please send weather reports every three hours.
Regular weather observing ships use normal channels.
Other ships please use email to tcwc@bom.gov.au.
Next warning will be issued by 0100 UTC 26 March 2025.
AUSTRALIAN BUREAU OF METEOROLOGY
TROPICAL CYCLONE WARNING CENTRE
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 25 March 2025
Part 1 Warnings
Gale Warning issued by TCWC Melbourne for Tropical Cyclone "Courtney".
Melbourne Gale Warning 3.
Melbourne Gale Warning 4.
Melbourne Gale Warning 5.
Part 2 Situation at 1800 UTC
Trough [1] near 12S105E to Tropical Cyclone "Courtney" 993hPa near 18S107E to
Monsoon Trough near 18S107E to Tropical Low (28U) 1002hPa near 16S122E.
Forecast trough [1] near 12S101E to Tropical Cyclone "Courtney" 985hPa 18S100E
to Monsoon Trough 12S127E to tropical low (28U) 1003hPa near 15S120E to monsoon
trough near 18S100E
Trough [2] near 27S065E 37S080E 42S084E. Forecast trough near 27S065E 37S080E
42S084E at 270000UTC.
Cold Front [1] near 39S086E 50S087E. Forecast cold front [1] near 46S102E
50S105E.
Part 3 Forecast
Refer to latest warnings.
Within 180nm of Tropical Cyclone "Courtney", outside warning area:
Clockwise winds 20/33 knots. Moderate to rough seas. Low to moderate swell.
South of line 40S080E 39S096E 46S129E, outside warning areas
Northwesterly quarter winds, shifting southwesterly west of cold front. Wind
speeds 25/33 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 swell south of line 35S079E 50S125E.
Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of
front/troughs, 240nm of tropical lows and monsoon troughs, and east of line
12S115E 19S115E. Heavy at times within 90nm of Tropical Cyclone "Courtney" and
150nm of line 16S120E 10S133E. 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 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 2300 UTC 25 March 2025
Part 1 Warnings
Nil.
Part 2 Situation at 1800 UTC
Nil significant features.
Part 3 Forecast
Winds not exceeding 20 knots. Slight to moderate seas. Low swell.
Rain areas, scattered showers and isolated thunderstorms through most of area.
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 Wednesday.
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 25 March 2025
Part 1 Warnings
Nil.
Part 2 Situation at 1800 UTC
Cold front forecast entering area near 47S129E 50S129E at 260000UTC and near
48S159E 50S159E at 270000UTC.
Part 3 Forecast
South of line 46S129E 46S144E 42S148E 42S156E 45S160E:
Westerly quarter winds 15/25 knots reaching up to 30 knots at times. Moderate
to 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 swell south of line 50S140E 44S147E 46S160E.
Rain areas, scattered showers and isolated thunderstorms mostly within 120nm
cold front and north of line 32S153E 33S170E. 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 Wednesday.
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 25 MARCH 2025
PART 1 WARNINGS
NIL.
PART 2 SITUATION AT 1800 UTC
TROUGH NEAR 16S120E 10S133E. FORECAST NEAR 09S090E 12S101E AT
270000UTC.
PART 3 FORECAST
SOUTH OF LINE 05S100E 05S104E 11S127E:
WESTERLY QUARTER WINDS 15/25 KNOTS, REACHING UP TO 30 KNOTS AT TIMES
SOUTH OF
LINE 09S103E 09S110E. 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 SWELL SOUTH OF LINE 09S090E 05S100E 08S112E.
RAIN AREAS, SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGHOUT
MOST OF
AREA. HEAVY AT TIMES WITHIN 90NM OF LINE 15S117E 10S133E. 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 WEDNESDAY.=