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 17 June 2025
Part 1 Warnings
Refer to latest warnings for details of the area affected.
Melbourne Gale Warning 9.
Melbourne Final Gale Warning 10.
Part 2 Situation at 170600 UTC
Cold front near 35S157E 42S157E 48S153E. Forecast near 34S164E 43S164E 48S161E
at 180300UTC and exiting east thereafter.
Low 1004hPa near 43S151E. Forecast low 1002hPa near 49S158E at 181200UTC.
Trough forecast developing west of area near 41S127E 43S126E at 171800UTC.
Forecast near 44S137E 46S134E at 181200UTC.
Part 3 Forecast
Refer to latest warnings for boundary of affected area and type of weather
system.
South of line 41S142E 35S150E 40S164E, outside warning areas:
Northerly quarter winds within 240nm east of cold front, turning clockwise
within 300nm of low in northwestern quarter and shifting southwesterly quarter
within 300nm of low in the southwestern quarter. Wind speeds 25/33 knots. Rough
to very rough seas. Moderate to heavy swell.
West of line 47S138E 43S137E 39S129E:
Northwesterly quarter winds 20/30 knots within 90nm of trough. Rough seas.
Moderate swell.
Remainder:
Winds not exceeding 25 knots. Moderate to rough seas. Low to moderate swell
increasing to moderate to heavy swell north of line 40S139E 43S146E.
Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of
front/trough and 420nm 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 21:00 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 17 June 2025
Part 1 Warnings
Refer to latest warnings for details of the area affected.
Melbourne Storm Force Wind Warning 8.
Melbourne Gale Warning 3.
Melbourne Final Gale Warning 5.
Melbourne Gale Warning 12.
Part 2 Situation at 170600 UTC
Warm front near 48S113E 49S103E. Forecast exiting south near 52S108E 51S119E at
171200UTC.
Low 1005 near 34S103E. Forecast low 1006hPa near 33S116E at 180900UTC and
decaying thereafter.
Cold front [1] near 25S102E 31S106E. Forecast near 25S111E 29S114E 33S114E at
172100UTC, then decaying thereafter.
Cold front [2] near 38S088E 46S099E 50S099E. Forecast near 42S123E 50S123E at
181200UTC.
Cold front [3] forecast entering from west near 42S078E 50S081E at 180600UTC,
then near 40S083E 50S089E at 181200UTC.
Trough forecast developing near 41S127E 43S126E at 171800UTC, then exiting east
near 42S132E 45S130E at 180600UTC.
Part 3 Forecast
Refer to latest warnings for boundary of affected area and type of weather
system.
South of line 34S080E 25S098E 24S113E 42S121E 39S129E, outside warning areas:
Westerly quarter winds, shifting southwesterly quarter west of cold front [3]
and shifting northwesterly quarter within 120nm of trough, within 600nm
northwest of warm front and within 300nm east of cold front [1] and cold front
[2]. Clockwise winds within 600nm of low in the northwestern quarter. 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 24S109E 18S102E 18S090E.
Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of
fronts/trough and 240nm of low. Heavy at times within 120nm of cold front [1].
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 21:00 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 17 June 2025
Part 1 Warnings
Nil.
Part 2 Situation at 170600 UTC
Trough near 13S147E 16S150E. Forecast near 17S157E 15S153E 12S152E at 181200UTC.
Part 3 Forecast
South of line 10S170E 10S162E 14S156E 09S142E:
Southeasterly quarter winds 15/25 knots, increasing to 20/30 knots within 120nm
of line 12S143E 16S151E. 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 9S.
Rain areas, scattered showers and isolated thunderstorms throughout except
south of line 14S170E 15S160E. 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 21:00 UTC Tuesday.
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 1100 UTC 17 JUNE 2025
PART 1 WARNINGS
NIL.
PART 2 SITUATION AT 170600 UTC
TROUGH 07S105E 09S101E. FORECAST NEAR 07S101E 06S106E AT 181200UTC.
PART 3 FORECAST
SOUTH OF LINE 07S090E 11S099E:
SOUTHEASTERLY QUARTER WINDS 15/25 KNOTS. MODERATE TO ROUGH SEAS. LOW
TO
MODERATE SWELL.
SOUTH OF LINE 09S142E 07S130E:
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 SOUTH OF LINE 04S090E 11S101E.
RAIN AREAS, SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGHOUT
EXCEPT
SOUTH OF LINE 13S142E 04S118E 12S104E. HEAVY AT TIMES WITHIN 90NM 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 20:15 UTC TUESDAY.=