IDY10210
SECURITE
Updated 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 23 April 2026
Part 1 Warnings
Refer to latest warnings for boundary of affected area and type of weather
system.
Melbourne Gale Warning 1.
Part 2 Situation at 231800 UTC
Cold front [1] 40S131E 47S132E to low 975hPa near 49S129E to warm front
53S134E. Forecast to move south of area by 240000UTC.
Trough [1] near 26S159E 31S155E. Forecast near 25S155E 31S153E at 250000UTC.
Cold front [2] forecast to enter area near 37S123E 48S132E 48S127E at
241200UTC, then near 37S129E 50S140E at 250000UTC.
Trough [2] forecast to develop near 34S131E 41S135E 44S143E at 241200UTC, then
near 32S132E 44S140E 47S148E at 250000UTC.
Part 3 Forecast
Refer to latest warnings for details of the area affected.
South of line 43S129E 42S144E 48S160E, outside warning area:
Northwesterly quarter winds 20/33 knots. Moderate to rough seas. Moderate to
heavy swell.
North of line 30S154E 28S167E:
Southeasterly quarter winds 20/30 knots. Rough seas. Low to moderate swell.
Remainder:
Winds not exceeding 25 knots. Slight to moderate seas. Low to moderate swell,
increasing to moderate to heavy south of line 38S129E 42S140E.
Rain areas, scattered showers and isolated thunderstorms mostly within 240nm of
fronts, low and troughs. 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 Friday.
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 23 April 2026
Part 1 Warnings
Refer to latest warnings for boundary of affected area and type of weather
system.
Melbourne Storm Force Wind Warning 2.
Melbourne Gale Warning 1.
Melbourne Gale Warning 3.
Part 2 Situation at 231800 UTC
Cold front [1] 37S111E 45S118E to low 988hPa near 49S116E. Forecast 37S123E
48S132E to low 1000hPa near 48S127E at 241200UTC then moving east of area.
Cold front [2] near 44S080E 50S089E. Forecast near 39S095E 50S116E at 250000UTC.
Trough [1] near 12S104E 16S108E. Forecast near 12S101E 19S105E at 250000UTC.
Trough [2] forecast to enter area from the west near 46S079E 50S083E at
241200UTC, then near 44S092E 50S098E at 250000UTC.
Part 3 Forecast
Refer to latest warnings for details of the area affected.
South of line 41S129E 35S118E 39S080E, outside warning areas:
Westerly quarter winds, shifting northwesterly quarter winds within 500nm east
of cold front [1] and cold front [2], and turning clockwise within 180nm of
low. 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.
Rain areas, scattered showers and isolated thunderstorms mostly within 240nm of
fronts/troughs, and within 300nm of lows. Heavy at times within 120nm of trough
[1]. 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 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 2300 UTC 23 April 2026
Part 1 Warnings
Nil.
Part 2 Situation at 231800 UTC
Trough near 09S158E 16S163E 18S168E. Forecast 10S158E 17S162E 20S169E at
250000UTC.
Part 3 Forecast
South of line 07S142E 18S170E:
Southeast quarter winds 15/25 knots, reaching 30 knots west of line 09S148E
16S150E and north of line 17S160E 25S170E. Moderate to rough seas. Low to
moderate swell.
Remainder:
Winds not exceeding 20 knots. Slight to moderate seas. Low swell, rising to low
to moderate south of line 09S154E 14S164E.
Rain areas, scattered showers, and isolated thunderstorms throughout area.
Heavy at times within 90nm 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 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 2300 UTC 23 APRIL 2026
PART 1 WARNINGS
NIL.
PART 2 SITUATION AT 231800 UTC
TROUGH NEAR 06S104E 12S104E. FORECAST NEAR 05S098E 12S101E AT
250000UTC.
PART 3 FORECAST
SOUTH OF LINE 10S116E 08S132E 09S142E:
SOUTHEASTERLY QUARTER WINDS 15/25 KNOTS. MODERATE TO ROUGH SEAS. LOW
SWELL,
INCREASING TO LOW TO MODERATE WEST OF 120E.
REMAINDER:
WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL,
INCREASING TO
LOW TO MODERATE SOUTH OF 01S/INDONESIA AND WEST OF 121E.
RAIN AREAS, SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGHOUT
AREA. HEAVY
AT TIMES WITHIN 60NM OF LINE 08S129E 10S142E. 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 FRIDAY.=