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 29 August 2026
Part 1 Warnings
Refer to latest warnings for boundary of affected area and type of weather
system.
Melbourne Gale Warning 5.
Part 2 Situation at 291800 UTC
Ridge near 39S134E 50S134E. Forecast ridge near 38S142E 50S142E at 310000UTC.
Forecast cold front approaching area from west near 34S111E 44S120E 50S121E at
310000UTC.
Part 3 Forecast
Refer to latest warnings for details of the area affected.
South of line 45S129E 43S140E 37S151E 41S154E 37S165E, outside of warning areas:
Westerly quarter winds tending northwesterly quarter west of ridge and shifting
northerly quarter within 720nm east of cold front. Wind speeds 20/33 knots.
Rough to very rough seas. Moderate to heavy swell.
Remainder:
Winds not exceeding 25 knots. Slight to moderate seas. Low to moderate swell,
increasing to moderate to heavy south of line 33S167E 39S152E.
Scattered showers throughout most of area. 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 29 August 2026
Part 1 Warnings
Refer to latest warnings for boundary of affected area and type of weather
system.
Melbourne Gale Warning 6.
Melbourne Gale Warning 7.
Melbourne Gale Warning 12.
Part 2 Situation at 291800 UTC
Cold front near 28S090E 48S107E to warm front [1] 51S128E 51S120E. Forecast
cold front 30S099E 52S117E to warm front [1] south of area near 52S132E at
300900UTC, then warm front [1] further south thereafter and just cold front
near 34S111E 44S120E 50S121E at 310000UTC.
Forecast warm front [2] developing near 45S087E 50S086E at 301500UTC, then warm
front [2] near 43S094E 50S097E at 310000UTC.
Trough [1] near 37S088E to low 994hPa near 47S095E. Forecast trough [1] 45S111E
to low 972hPa south of area near 53S116E at 310000UTC.
Forecast trough [2] entering area from west near 23S090E 31S096E at 300000UTC,
then trough [2] near 21S095E 34S110E at 310000UTC.
Trough [3] near 12S107E 15S114E. Forecast trough [3] near
Part 3 Forecast
Refer to latest warnings for details of the area affected.
South of line 39S080E 37S096E 27S095E 41S129E, outside warning areas:
Westerly quarter winds, shifting northerly quarter within 720nm east of cold
front, northwesterly quarter within 360nm north of warm front [1] and within
360nm east of warm front [2], and shifting southwesterly quarter within 240nm
west of cold front and trough [1]. Winds turning clockwise within 180nm of low.
Wind speeds 20/33 knots. Rough to very rough seas. Moderate to heavy swell.
Remainder:
Winds not exceeding 25 knots. Slight to moderate seas. Low to moderate swell,
increasing to moderate to heavy south of line 30S080E 30S095E.
Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of
all features. 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 29 August 2026
Part 1 Warnings
Nil.
Part 2 Situation at 291800 UTC
Trough near 03S155E 07S170E. Forecast trough near 07S155E 04S170E at 310000UTC.
Part 3 Forecast
North of line 07S156E 08S170E and south of line 25S161E 13S170E:
Winds not exceeding 20 knots. Slight to moderate seas. Low swell, increasing to
low to moderate south of 20S.
Remainder:
Southeasterly quarter winds tending southerly quarter north of 09S. Wind speeds
15/25 knots, reaching up to 30 knots at times west of line 04S148E 19S155E.
Moderate to rough seas. Low to moderate swell.
Rain areas, scattered showers and isolated thunderstorms throughout most of
area, becoming heavy at times within 360nm south 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.
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 29 AUGUST 2026
PART 1 WARNINGS
NIL.
PART 2 SITUATION AT 291800 UTC
TROUGH NEAR 03S090E EQ099E. FORECAST NEAR STATIONARY
PART 3 FORECAST
EAST OF LINE 02S124E 08S124E 18S140E:
SOUTHEASTERLY QUARTER WINDS 15/25 KNOTS. MODERATE TO ROUGH SEAS. LOW
SWELL.
REMAINDER:
SOUTHEASTERLY QUARTER WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO
MODERATE SEAS.
LOW SWELL, INCREASING TO MODERATE SOUTH OF LINE EQ090E EQ097E 07S105E
09S116E.
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS MAINLY WITHIN 180NM OF
TROUGH AND
SOUTH OF LINE 10S090E 10S107E. 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.=