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 8 August 2026
Part 1 Warnings
Refer to latest warnings for boundary of affected area and type of weather
system.
Melbourne Gale Warning 3.
Melbourne Gale Warning 9.
Part 2 Situation at 081800 UTC
Cold front [1] 31S133E to low [1] 993hPa near 38S132E, forecast 27S153E 37S153E
to low [1] 991hPa near 41S148E an 100000UTC.
Cold front [2] 41S132E 50S133E, forecast 38S143E 45S148E to low [2] 993hPa near
47S148E at 100000UTC.
Trough 25S167E 31S169E, becoming low [3] 1014hPa near 27S169E at 090000UTC,
then moving east of area by 091200UTC.
Part 3 Forecast
Refer to latest warnings for details of the area affected.
West of 146E, outside warning areas:
Northerly quarter winds, shifting southwesterly quarter west of cold front [1]
and within 360nm west of cold front [2], and turning clockwise within 240nm of
lows. Wind speeds 20/33 knots. Rough to very rough seas. Moderate to heavy
swell.
Between 147E and line 26S155E 38S163E 50S153E, outside warning area:
Northerly quarter winds turning clockwise within 240nm of lows. Rough to very
rough seas. Moderate to heavy swell.
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
cold fronts/trough, and within 300nm of lows. 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 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 8 August 2026
Part 1 Warnings
Refer to latest warnings for boundary of affected area and type of weather
system.
Melbourne Storm Force Wind Warning 8.
Melbourne Gale Warning 3.
Melbourne Gale Warning 5.
Part 2 Situation at 081800 UTC
Cold front [1] 41S117E 47S124E 50S126E, forecast 41S121E 46S129E 50S129E at
090000UTC, then weakening.
Cold front [2] 41S080E to low 992hPa near 50S099E to warm front 47S106E,
forecast just cold front 39S098E 44S107E 50S112E at 090600UTC with low and warm
front moving south of area, and then cold front 31S113E 41S123E 50S128E at
100000UTC.
Ridge developing near 43S080E 45S089E at 090600UTC, forecast 40S080E 41S103E at
100000UTC.
Part 3 Forecast
Refer to latest warnings for details of the area affected.
South of 31S, outside of warning areas:
Westerly quarter winds, shifting southwesterly quarter southwest of cold
fronts, shifting northwesterly quarter south of warm front, east of cold front
[1] and within 540nm east of cold front [2], shifting southeasterly quarter
north of ridge, and turning clockwise within 180nm of low. Wind speeds 25/33
knots. Rough to very rough seas. Moderate to heavy swell.
Within 120nm of line 16S090E 21S114E:
Southeasterly quarter winds 20/30 knots, easing below 25 knots by 090600UTC.
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
cold front [1], within 180nm east and within 660nm west of cold front [2],
within 120nm of warm front, and west of 113E. 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.
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 8 August 2026
Part 1 Warnings
Nil.
Part 2 Situation at 081800 UTC
Trough [1] 04S159E 05S170E, forecast 05S155E to low 1009hPa near 05S170E at
100000UTC.
Trough [2] 22S166E 25S167E, forecast 21S169E 25S169E at 090000UTC, then moving
east of area.
Part 3 Forecast
East of line 07S170E 12S166E:
Southeasterly 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, increasing to
low to moderate swell east of 158E.
Rain areas, scattered showers and isolated thunderstorms mostly north of line
12S170E 16S163E 16S155E 09S142E and east of trough [2]. Isolated showers
elsewhere. 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 8 AUGUST 2026
PART 1 WARNINGS
NIL.
PART 2 SITUATION AT 081800 UTC
TROUGH EQ102E 02S090E, FORECAST NEAR STATIONARY.
PART 3 FORECAST
WEST OF LINE 06S107E 12S107E:
SOUTHEASTERLY QUARTER WINDS 15/25 KNOTS. MODERATE TO ROUGH SEAS.
MODERATE SWELL.
REMAINDER:
WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL,
INCREASING TO
LOW TO MODERATE WEST OF LINE EQ098E 07S106E 09S120E 12S121E.
RAIN AREAS, SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS MOSTLY WEST
OF 110E.
ISOLATED SHOWERS ELSEWHERE. 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.=