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 26 April 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 5.
Melbourne Gale Warning 8.
Melbourne Gale Warning 9.
Part 2 Situation at 261800 UTC
Cold front [1] 36S092E 41S114E 50S124E. Forecast cold front [1] 38S126E 43S133E
50S141E at 280000UTC.
Trough 16S105E to low 1010hPa near 24S108E to 30S113E. Forecast trough 23S111E
to low 1010hPa near 25S112E to 35S123E at 280000UTC.
Cold front [2] near 51S060E 53S072E. Forecast 43S084E 45S093E 50S103E at
280000UTC.
Warm front near 50S080E 53S072E. Forecast near 49S112E 50S112E at 280000UTC.
Part 3 Forecast
Refer to latest warnings for details of the area affected.
South of line 42S080E 40S100E 42S129E, outside warning areas:
Westerly quarter winds shifting northwesterly quarter within 720nm east of cold
front [1] and 900nm east of cold front [2]. Wind speeds 20/33 knots. Moderate
to 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 37S080E 35S096E 39S129E.
Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of
fronts/trough, 240nm of low, and north of line 34S080E 32S090E. 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 26 April 2026
Part 1 Warnings
Nil.
Part 2 Situation at 261800 UTC
Nil.
Part 3 Forecast
South of line 13S144E 21S159E 23S170E:
Southeasterly quarter winds 15/25 knots, reaching up to 30 knots at times.
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 south of line 16S151E 14S154E 21S170E.
Rain areas, scattered showers, and isolated thunderstorms 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 09:00 UTC Monday.
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 26 April 2026
Part 1 Warnings
Refer to latest warnings for boundary of affected area and type of weather
system.
Melbourne Gale Warning 4.
Part 2 Situation at 261800 UTC
Trough 42S151E 49S158E. Forecast trough 43S161E 49S168E at 270900UTC then
continuing east of area afterwards.
Cold front west of area near 36S092E 41S114E 50S124E. Forecast near 38S126E
43S133E 50S141E at 280000UTC.
Part 3 Forecast
Refer to latest warnings for details of the area affected.
South of line 42S129E 43S147E 50S160E, outside of warning area:
Northwesterly quarter winds shifting southwesterly quarter within 180nm west of
trough. Wind speeds 20/33 knots. Moderate to 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 39S129E 42S132E.
Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of
front, trough, and north of 34S. 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 26 APRIL 2026
PART 1 WARNINGS
NIL.
PART 2 SITUATION AT 261800 UTC
NIL.
PART 3 FORECAST
WHOLE OF AREA:
WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL,
INCREASING TO
LOW TO MODERATE SOUTH OF 10S090E 07S103E 09S118E.
RAIN AREAS, SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS 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 08:15 UTC MONDAY.=