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 August 2025
Part 1 Warnings
Nil.
Part 2 Situation at 301800 UTC
No significant features.
Part 3 Forecast
West of line 04S148E 10S158E 16S155E and line 18S148E 20S151E:
Southeasterly quarter winds 15 to 20 knots, increasing to 20 to 30 knots within
120nm of line 05S148E 10S147E. Slight to moderate seas. Low swell to moderate
swell.
Remainder of area:
Winds not exceeding 20 knots. Slight to moderate seas. Low to moderate swell .
Scattered showers and isolated thunderstorms mostly north of line 08S142E
11S158E 18S170E, and west of line 23S153E 25S156E. 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 Sunday.
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 August 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 9.
Melbourne Gale Warning 11.
Part 2 Situation at 301800 UTC
Trough [1] 29S161E 36S166E. Forecast 28S168E 31S173E 36S177E at 310600UTC, then
moving east of area thereafter.
Trough [2] 40S160E 45S162E 48S160E. Forecast moving east of area thereafter.
Cold front [1] 44S129E 47S136E 50S139E. Forecast 42S153E 44S161E 46S164E
49S164E at 311800UTC, then moving east of the area thereafter.
Cold front [2] forecast entering area from west near 45S123E 46S127E 48S129E
50S129E at 310300UTC. Forecast 43S145E 45S152E 48S154E 50S152E at 010000UTC.
Part 3 Forecast
Refer to latest warnings for boundary of affected area and type of weather
system.
Whole area, outside warning areas:
Westerly quarter winds tending northwesterly quarter within 360nm east of cold
fronts and within 120nm east of trough, shifting southwesterly quarter west of
cold fronts an troughs. Wind speeds 20/33 knots. Rough to very rough seas.
Moderate to heavy swell.
Rain areas, scattered showers and isolated thunderstorms within 240nm of cold
fronts, troughs 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 Sunday.
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 August 2025
Part 1 Warnings
Refer to latest warnings for details of the area affected.
Melbourne Gale Warning 10.
Melbourne Gale Warning 11.
Part 2 Situation at 301800 UTC
Cold front [1] 45S110E 46S116E 50S120E. Forecast 45S123E 46S127E 48S129E
50S129E at 310300UTC, then moving east of area thereafter.
Trough 32S086E 33S096E 36S102E 41S107E. Forecast 32S104E 35S111E 38S115E at
010000UTC.
Cold front [2] 40S079E 43S090E 48S097E 50S097E. Forecast 35S094E 36S106E
41S115E 46S117E at 010000UTC.
Warm front forecast entering area from west near 38S082E 40S080E at 311800UTC,
then 38S087E 43S080E at 010000UTC.
Part 3 Forecast
Refer to latest warnings for boundary of affected area and type of weather
system.
South of line 37S080E 35S112E 43S129E, outside warning areas:
Northwesterly quarter winds, shifting southwesterly quarter within 300nm of
cold front [1] and trough and west of cold front [2]. 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 mainly within 240nm of
cold fronts 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 Sunday.
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 AUGUST 2025
PART 1 WARNINGS
NIL.
PART 2 SITUATION AT 301800 UTC
NO SIGNIFICANT FEATURES.
PART 3 FORECAST
SOUTH OF LINE 08S142E 03S130E:
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 WEST OF LINE EQ098E 12S111E.
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS MAINLY NORTH OF LINE
08S093E
09S111E 05S111E 07S142E. 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 SUNDAY.=