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 30 June 2026
Part 1 Warnings
Refer to latest warnings for boundary of affected area and type of weather
system.
Melbourne Storm Force Wind Warning 2.
Melbourne Gale Warning 3.
Part 2 Situation at 300600 UTC
Cold front [1] 26S122E 34S127E to low [1] 994hPa near 39S125E. East of area by
301800UTC.
Cold front [2] 42S117E 50S126E 55S127E. Forecast 50S135E 57S138E at 011200UTC.
Cold front [3] 40S101E 50S111E. Forecast 32S128E 39S135E to low [3] 973hPa near
47S131E at 011200UTC.
Part 3 Forecast
Refer to latest warnings for details of the area affected.
South of line 42S080E 44S090E 35S100E 31S115E, outside warning areas:
North of 40S:
Northwest quarter winds east of front [1], shifting southwest quarter remainder
to west and clockwise within 240nm of low [1].
South of 40S:
Northwest quarter winds east of fronts [2] and [3], shifting southwest quarter
within 720nm west of front [3] and westerly quarter remainder to west.
Clockwise winds within 360nm of low [3].
Wind speeds 20/33 knots. Moderate to rough seas. Moderate to heavy swell.
Remainder:
Winds not exceeding 25 knots. Slight to moderate seas. Low to moderate swell.
Rain areas, scattered showers and isolated thunderstorms mostly within 240nm of
fronts and within 300nm 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 21:00 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 1100 UTC 30 June 2026
Part 1 Warnings
Melbourne Storm Force Wind Warning 2.
Part 2 Situation at 300600 UTC
Trough 38S149E 47S151E 50S138E. Forecast 37S150E 50S160E at 011200UTC.
Cold front [1] 26S122E 34S127E to low [1] 994hPa near 39S125E. Forecast 34S141E
46S139E at 011200UTC.
Cold front [2] approaching from west, forecast 32S128E 39S135E to low [2]
973hPa near 47S131E at 011200UTC.
Part 3 Forecast
South of line 31S129E 29S154E 43S161E, outside warning area:
Northerly quarter winds east of trough, shifting northwest quarter east of
front [2] and westerly quarter remainder to west. Clockwise winds within 240nm
of low [1] and within 360nm of low [2]. Wind speeds reaching 20/33 knots.
Moderate to rough seas. Moderate swell.
Remainder:
Winds not exceeding 25 knots. Slight to moderate seas. Low to moderate swell.
Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of
trough, 240nm of fronts and 300nm 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 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 30 June 2026
Part 1 Warnings
Nil.
Part 2 Situation at 300600 UTC
Trough near EQ153E 03S161E 02S170E. Forecast EQ150E 04S160E 03S170E at
011200UTC.
Part 3 Forecast
Between line 16S145E 16S155E 25S159E and line 03S142E 10S164E 10S170E:
Southeast quarter winds 15/25 knots. Moderate to rough seas. Low to moderate
swell.
Remainder:
Winds not exceeding 20 knots. Slight to moderate seas. Low swell.
Rain areas, scattered showers, and isolated thunderstorms mostly north of line
06S142E 13S164E 13S170E. Scattered showers within 120nm of Queensland coast.
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 30 JUNE 2026
PART 1 WARNINGS
NIL.
PART 2 SITUATION AT 300600 UTC
EAST TO SOUTHEASTERLY FLOW.
PART 3 FORECAST
SOUTH OF LINE 12S090E 08S102E 12S106E:
SOUTHEASTERLY WINDS 15/25 KNOTS. MODERATE SEAS, OCCASIONALLY ROUGH.
LOW TO
MODERATE SWELL.
WHOLE AREA:
WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL,
INCREASING TO
MODERATE WEST OF 110E, SOUTH FROM INDONESIA.
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS MAINLY NORTH OF 05S.
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.=