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 12 April 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.
Melbourne Gale Warning 11.
Melbourne Gale Warning 12.
Part 2 Situation at 121800 UTC
Trough [1] 27S162E 35S168E, forecast 29S167E 39S173E at 130000UTC then east of
area.
Trough [2] 44S159E 50S153E, forecast 41S161E 43S168E at 131800UTC then east of
area.
Low 987hPa near 45S163E, forecast slow moving.
Cold front 43S114E 50S120E, forecast 40S137E 44S144E 50S145E at 140000UTC.
Part 3 Forecast
Refer to latest warnings for details of the area affected.
South of line 41S129E 42S138E 34S154E 37S165E, outside warning areas:
Southwesterly quarter winds, becoming northwesterly quarter within 240nm east
of cold front, shifting westerly quarter west of cold front. Wind speeds 25/33
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
front, 180nm of troughs, and within 360nm of low. 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 Monday.
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 12 April 2026
Part 1 Warnings
Refer to latest warnings for boundary of affected area and type of weather
system.
Melbourne Gale Warning 6.
Melbourne Hurricane Force Wind Warning 10.
Melbourne Gale Warning 11.
Part 2 Situation at 121800 UTC
Cold front [1] 43S114E 50S120E, forecast 43S128E 50S131E at 130900uTC then east
of area.
Cold front [2] 40S067E 46S081E to low 985hPa near 47S078E, forecast 41S102E
50S110E to low 976hPa near 50S104E at 140000UTC.
Trough [1] 11S098E 18S106E, forecast slow moving.
Trough [2] 52S089E 53S105E, forecast 48S112E 50S122E at 131500UTC then
weakening.
Part 3 Forecast
Refer to latest warnings for details of the area affected.
South of line 39S080E 41S129E, outside warning areas:
Northwesterly quarter winds within 300nm east of cold fronts, shifting westerly
quarter west of cold fronts and north of trough [2], and tending clockwise
within 420nm of low. Wind speeds 20/33 knots. 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 mostly within 240nm of
cold fronts, troughs and within 300nm of low. 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 Monday.
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 12 April 2026
Part 1 Warnings
Nil.
Part 2 Situation at 121800 UTC
Trough 11S148E to Ex-TC "Maila" 1005hPa near 12S150E to 18S161E, forecast
10S145E to Ex-TC "Maila" 1007hPa near 12S147E to 18S152E 19S159E 23S169E at
140000UTC.
Part 3 Forecast
Refer to latest warnings for details of the area affected.
North of line 03S142E 02S152E:
Westerly quarter winds 20/30 knots. Moderate to rough seas. Low to moderate
swell.
South of line 10S142E 10S153E 17S154E 21S166E:
Southeasterly quarter winds 15/25 knots south of trough, increasing to 20/30
knots north of 19S south of trough, and tending clockwise within 90nm of Ex-TC
"Maila". Moderate to 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 through most of area.
Heavy at times within 120nm of Ex-TC Maila, and within 60nm of line 09S154E
13S151E and line 20S160E 22S165E. 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 Monday.
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 12 APRIL 2026
PART 1 WARNINGS
NIL.
PART 2 SITUATION AT 121800 UTC
TROPICAL LOW (38U) 1009HPA NEAR 09S096E, FORECAST SLOW MOVING.
PART 3 FORECAST
NORTH OF NEW GUINEA:
NORTHWESTERLY QUARTER WINDS 20/30 KNOTS. MODERATE TO ROUGH SEAS. LOW
TO
MODERATE SWELL.
IN THE GULF OF CARPENTARIA:
SOUTHERLY QUARTER WINDS 20/30 KNOTS SOUTH OF 14S UNTIL 130600UTC.
MODERATE TO
ROUGH SEAS. LOW SWELL.
REMAINDER:
WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL,
INCREASING TO
LOW TO MODERATE SWELL SOUTH OF LINE 06S090E 07S095E 12S101E.
RAIN AREAS, SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS MAINLY NORTH
AND WEST
OF LINE 12S110E 03S124E 08S142E. 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 MONDAY.=