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 24 July 2026
Part 1 Warnings
Refer to latest warnings for boundary of affected area and type of weather
system.
Melbourne Gale Warning 12.
Melbourne Gale Warning 3.
Part 2 Situation at 240600 UTC
Trough 37S097E 44S107E. Forecast trough 33S109E 36S112E 43S114E at 251200UTC.
Low 997hPa near 45S096E. Forecast low 1007hPa near 40S109E at 251200UTC
Part 3 Forecast
Refer to latest warnings for details of the area affected.
North of line 33S080E 33S090E and line 20S121E 20S097E:
Southeasterly quarter winds 20/30 knots. Rough seas. Low to moderate swell.
South of line 44S080E 33S107E 40S129E, outside warning areas:
Westerly quarter winds, turning northwesterly quarter within 180nm east of
trough. Winds southerly quarter within 360nm of southwest quadrant of low. Wind
speeds 20/33 knots. Rough to very rough seas. Moderate to heavy swell.
Remainder:
Winds not exceeding 25 knots. Moderate to rough seas. Moderate swell.
Rain areas, scattered showers and isolated thunderstorms mostly within 120nm of
low and 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 21:00 UTC Friday.
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 24 July 2026
Part 1 Warnings
Refer to latest warnings for boundary of affected area and type of weather
system.
Melbourne Gale Warning 2.
Melbourne Gale Warning 11.
Part 2 Situation at 240600 UTC
Warm front 41S145E 46S148E to low 997hPa near 48S146E. Forecast 35S161E 40S162E
to low 998hPa near 43S160E at 250000UTC and moving east of area thereafter.
Trough [1] 34S162E 37S165E. Forecast east of area by 241200UTC.
Trough [2] 28S165E 31S169E. Forecast 28S165E 31S169E at 241500UTC, then east of
area thereafter.
Part 3 Forecast
Refer to latest warnings for details of the area affected.
South of line 40S129E 36S150E 31S156E 30S169E, outside warning areas:
Southwesterly quarter winds, shifting northwesterly quarter within 120nm east
of warm front. Winds becoming westerly quarter winds west of 145E from
250000UTC. 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 heavy swell south of line 31S157E 27S163E 27S170E.
Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of
troughs and warm 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 Friday.
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 24 July 2026
Part 1 Warnings
Nil.
Part 2 Situation at 240600 UTC
Trough 08S170E 07S156E, forecast slow moving and weakening by 241200UTC.
Part 3 Forecast
West of line 06S154E 14S161E and within 240nm of Queensland coast:
Southeasterly quarter winds 15/25 knots. Moderate to rough seas. Low to
moderate swell.
In the Vitiaz Strait and within 120nm east of New Ireland:
Southerly quarter winds 20/30 knots. Rough seas. Low to moderate swell.
Remainder:
Winds not exceeding 20 knots. Slight to moderate seas. Low to moderate swell.
Rain areas, scattered showers and isolated thunderstorms mostly throughout
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 21:00 UTC Friday.
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 24 JULY 2026
PART 1 WARNINGS
NIL.
PART 2 SITUATION AT 240600 UTC
SOUTHEASTERLY TRADE FLOW.
PART 3 FORECAST
SOUTH OF LINE 01S090E 01S100E 10S113E 10S125E 04S132E 08S142E:
SOUTHEASTERLY QUARTER WINDS 20/30 KNOTS. ROUGH SEAS. LOW TO MODERATE
SWELL.
WITHIN 60NM OF EQ107E 05S112E:
SOUTHEASTERLY QUARTER WINDS 15/25 KNOTS. MODERATE TO ROUGH SEAS. LOW
SWELL.
REMAINDER:
WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL.
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS 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 20:15 UTC FRIDAY.=