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 30 June 2025
Part 1 Warnings
Nil.
Part 2 Situation at 301800 UTC
Cold front [1] 29S113E to low [1] 1007hPa near 36S116E. Forecast cold front [1]
36S127E 40S128E to low [1] 1010hPa near 43S124E at 011200UTC and moving east of
area thereafter.
Cold front [2] near 30S091E low [2] 1010hPa near 40S096E. Forecast cold front
[2] 29S105E 32S107E to low [2] 1008hPa near 35S104E at 020000UTC.
Cold front [3] west of region near 43S069E 50S078E, then near 48S092E 50S096E
at 020000UTC.
Trough near 25S090E 28S113E. Forecast slow moving.
Part 3 Forecast
Refer to latest warnings for boundary of affected area and type of weather
system.
South of line 30S089E 29S107E 34S129E, outside warning areas:
Northwesterly quarter winds shifting southerly quarter west fronts [1] and [2],
shifting and turning clockwise within 240nm of low [1] and 480nm of low [2].
Wind speeds 25/33 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
trough and fronts, and within 360nm of 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 Tuesday.
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 30 June 2025
Part 1 Warnings
Melbourne Storm Force Wind Warning 5.
Melbourne Gale Warning 7.
Part 2 Situation at 301800 UTC
Forecast trough [1] 30S154E to low 1003hPa near 32S154E. Forecast trough [1]
near 25S160E low 987hPa near 33S153E at 020000UTC.
Trough [2] near 37S155E 31S163E 25S167E . Forecast trough [1] near 33S153E
25S160E at 020000UTC.
Trough [2] near 39S147E 39S155E. Forecast trough [2] near 25S166E 32S167E
36S159E 39S149E at 020000UTC.
Part 3 Forecast
East of line 41S148E 25S148E, outside warning areas:
Easterly quarter winds shifting northeasterly quarter east of trough [1],
shifting westerly quarter west of trough [1], and turning clockwise within
240nm of low. Wind speeds 25/33 knots. Rough to very rough seas. Low to
moderate swell, heavy at times within 240nm of low [1].
South of 49S:
Westerly quarter winds 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 heavy south of line 46S129E 47S160E.
Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of
troughs and within 360nm of lows. Heavy at times within 180nm of lows and
trough [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 09:00 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 2300 UTC 30 June 2025
Part 1 Warnings
Melbourne Gale Warning 7.
Part 2 Situation at 301800 UTC
Trough near 09S150E 21S159E 25S160E. Forecast trough near 10S154E 25S167E at
020000UTC.
Part 3 Forecast
South of line 06S142E 19S162E 13S170E, outside warning areas:
Southeasterly quarter winds west of trough shifting northeasterly quarter east
of trough Wind speeds 15/25 knots, increasing to 20/30 knots west of line
11S146E 16S152E, and increasing further to 25/33 knots south of line 21S157E
22S170E. Moderate to rough seas, rising to very rough at times. Low to moderate
swell.
Remainder:
Winds not exceeding 20 knots. Slight to moderate seas. Low swell, increasing to
low to moderate south of line 10S.
Rain areas, scattered showers and isolated thunderstorms mostly within 240nm of
trough and north of 13S. 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 09:00 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 2300 UTC 30 JUNE 2025
PART 1 WARNINGS
NIL.
PART 2 SITUATION AT 301800 UTC
TROUGH NEAR 10S096E 09S115E 00N125E 09S142E. FORECAST NEAR
STATIONARY.
PART 3 FORECAST
SOUTH OF TROUGH:
SOUTHEASTERLY QUARTER WINDS 15/25 KNOTS, INCREASING TO 20 TO 30 KNOTS
SOUTH OF
LINE 08S130E 09S137E. MODERATE TO ROUGH SEAS. LOW SWELL, INCREASING
TO LOW TO
MODERATE SOUTH OF LINE 08S126E 08S131E.
REMAINDER:
WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL,
INCREASING TO
LOW TO MODERATE WEST OF LINE EQ097E 09S115E.
RAIN AREAS, SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS MOSTLY
WITHIN 360NM 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 08:15 UTC TUESDAY.=