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 2 August 2026
Part 1 Warnings
Nil.
Part 2 Situation at 020600 UTC
Southeasterly trade flow.
Trough near EQ159E 08S157E, forecast slow moving.
Part 3 Forecast
North of line EQ153E 08S157E 10S170E:
Winds not exceeding 20 knots. Slight to moderate seas. Low to moderate swell.
Remainder:
Southeasterly quarter winds. Wind speed 20/30 knots. Rough seas. Low to
moderate swell.
Scattered showers and isolated thunderstorms throughout area. Heavy at times
within 120nm of line 11S164E 09S156E 05S152E. 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 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 1100 UTC 2 August 2026
Part 1 Warnings
Refer to latest warnings for boundary of affected area and type of weather
system.
Melbourne Gale Warning 4.
Melbourne Gale Warning 6.
Part 2 Situation at 020600 UTC
Cold front 30S094E 50S110E. Forecast 46S118E 50S123E at 030000UTC and weakening
thereafter.
Trough [1] 13S091E 17S096E. Forecast 12S093E 17S098E at 031200UTC.
Trough [2] 17S111E 19S114E. Forecast 18S110E 21S112E at 031200UTC.
Trough [3] 41S088E 47S093E 50S093E. Forecast 39S096E 45S102E 50S102E at
031200UTC.
Forecast trough [4] 34S108E 39S110E at 022100UTC, then 44S115E 35S118E at
031200UTC.
Part 3 Forecast
Refer to latest warnings for details of the area affected.
South of line 30S080E 30S090E 24S093E 35S114E 34S124E 32S129E, outside of
warning areas:
Westerly quarter winds, shifting northwesterly quarter within 360nm east of
cold front and southwesterly quarter 120nm west of cold front north of 35S.
Westerly quarter winds west of trough [3], turning southwesterly by 030000UTC.
Winds becoming northwesterly within 300nm east of trough [3] from 021500UTC,
expanding to 540nm east of trough [3] by 031200UTC. Winds southwesterly quarter
within 120nm west of trough [4], expanding to 240nm west of trough [4] by
031200UTC and increasing northeasterly quarter winds within 240nm east of
trough [4] by 031200UTC. Wind speeds 20/33 knots. Rough to very rough seas.
Moderate to heavy swell.
West of line 30S096E 18S096E:
Southeasterly quarter winds 20/33 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 moderate to heavy swell south of line 18S097E 22S113E.
Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of
front and troughs [3] and [4]. Heavy at times within 90nm of troughs [1] and
[2]. 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 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 1100 UTC 2 August 2026
Part 1 Warnings
Nil.
Part 2 Situation at 020600 UTC
Low 1005hPa near 47S137E, forecast low 1015hPa near 44S146E at 031200UTC.
Trough [1] 40S131E 44S135E. Forecast 39S145E 44S146E at 031200UTC.
Trough [2] 36S135E 40S136E. Forecast weakening by 021200UTC.
Trough [3] 38S139E 44S141E. Forecast 39S141E 42S143E at 021500UTC and weakening
thereafter.
Cold front 48S152E 50S158E. Forecast 48S160E 47S158E at 021200UTC and moving
east thereafter.
Part 3 Forecast
South of line 34S129E 38S150E 44S151E 45S160E:
Northwesterly quarter winds, shifting northerly quarter within 180nm east of
trough [3], shifting westerly quarter within 240nm west and 120nm east of
trough [2] and 120nm north of cold front. Winds turning southwesterly quarter
within 180nm west of trough [1], expanding to 240nm west of trough [1] from
021500UTC and becoming westerly quarter within 240nm east of trough [1] from
021500UTC. Winds turning clockwise within 180nm of southwestern semicircle of
low until 021800UTC. Wind speeds 20/33 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 moderate to heavy swell south of line 30S129E
42S147E 38S164E and north of line 31S169E 27S162E.
Rain areas, scattered showers and isolated thunderstorms mostly within 240nm of
low and 120nm of troughs and front. 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 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 1100 UTC 2 AUGUST 2026
PART 1 WARNINGS
NIL.
PART 2 SITUATION AT 020600 UTC
SOUTHEASTERLY TRADE FLOW.
PART 3 FORECAST
SOUTH OF LINE 04S110E 01S130E 09S142E:
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
MODERATE SWELL SOUTH OF LINE EQ090E EQ095E 08S109E 09S119E.
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGHOUT MOST OF THE
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 20:15 UTC SUNDAY.=