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 10 July 2025
Part 1 Warnings
Refer to latest warnings for details of the area affected.
Melbourne Gale Warning 2.
Melbourne Gale Warning 9.
Melbourne Gale Warning 11.
Part 2 Situation at 101800 UTC
Cold front [1] 33S095E to low 989hPa near 42S101E. Forecast 35S118E to low
977hPa near 52S132E at 120000UTC.
Cold front [2] forecast to enter area near 42S080E 50S087E by 111200UTC and
then near 37S088E 50S098E at 120000UTC.
Part 3 Forecast
Refer to latest warnings for boundary of affected area and type of weather
system.
South of line 30S, outside warning areas:
Westerly quarter winds shifting northwesterly quarter within 600nm east of cold
front [1] and within 180nm of cold front [2], shifting southwesterly quarter
within 800nm west of cold front [1], and turning clockwise within 300nm 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. Moderate to heavy swell.
Rain areas, scattered showers and isolated thunderstorms, mostly within 180nm
of fronts, within 240nm 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 09:00 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 2300 UTC 10 July 2025
Part 1 Warnings
Refer to latest warnings for details of the area affected.
Melbourne Gale Warning 2.
Melbourne Gale Warning 7.
Melbourne Gale Warning 10.
Part 2 Situation at 101800 UTC
Cold front [1] 28S163E 35S164E to low 988hPa near 44S160E . Forecast cold front
east of area near 28S172E 36S170E to low 982hPa near 46S164E at 111200UTC and
then just low 983hPa east of area near 47S162E at 120000UTC.
Cold front [2] near 37S140E 50S140E. Forecast near 46S151E 50S149E at 110900UTC
and then moving south of area.
Trough near 38S140E 50S140E. Forecast near 44S153E 50S149E at 110600UTC and
decaying thereafter.
Part 3 Forecast
Refer to latest warnings for boundary of affected area and type of weather
system.
Whole area except north of line 31S154E 29S161E 29S170E, outside warning areas:
Westerly quarter winds, turning northwesterly quarter east of cold fronts,
southwesterly quarter west of cold fronts, and turning clockwise within 360nm
of low. Wind speed 20/33 knots. Rough to very rough seas. Low to moderate
swell, increasing to moderate to heavy swell west of line 38S148E 50S151E.
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 fronts, trough 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 09:00 UTC Friday.
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 10 July 2025
Part 1 Warnings
Nil.
Part 2 Situation at 101800 UTC
Southeasterly trade flow.
Part 3 Forecast
Area enclosed by lines 08S142E 08S170E and 22S150E 16S170E:
Southeasterly quarter winds 15/25 knots, increasing to 20/30 knots within 270nm
of coastline north of Cairns. Moderate to rough seas. Low swell increasing to
low to moderate south of 22S.
Within 120nm of line 11S153E 11S170E:
Southeasterly 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 mostly 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 09:00 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 2300 UTC 10 JULY 2025
PART 1 WARNINGS
NIL.
PART 2 SITUATION AT 101800 UTC
SOUTHEASTERLY TRADE FLOW.
PART 3 FORECAST
SOUTH OF LINE 09S142E 02S127E 05S117E:
SOUTHEASTERLY QUARTER WINDS 15/25 KNOTS. MODERATE TO ROUGH SEAS. LOW
SWELL.
REMAINDER:
WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL,
INCREASING TO
LOW TO MODERATE SWELL WEST OF LINE EQ099E 07S107E 09S120E 12S119E.
RAIN AREAS, SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGHOUT
AREA,
EXCEPT SOUTH OF LINE 13S142E 07S127E 10S105E. 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 08:15 UTC FRIDAY.=