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 15 March 2026
Part 1 Warnings
Nil.
Part 2 Situation at 151800 UTC
Trough [1] near 48S129E 50S131E. Forecast trough [1] near 46S148E 50S151E at
170000UTC.
Low forecast to develop 1011hPa near 38S149E to trough [2] near 39S151E at
160600UTC. Forecast trough [2] near 36S151E 42S157E to low 1004hPa near 44S158E
to 44S161E at 170000UTC.
Part 3 Forecast
South of line 44S129E 43S149E 50S156E:
Westerly quarter winds, shifting northwesterly quarter east within 600nm of
trough. Wind speeds 20/33 knots. Moderate to rough seas. Moderate to heavy
swell.
Within 180nm of line 35S151E 44S161E:
Northwesterly quarter winds 20/30 knots developing by 160600UTC. Rough seas.
Low to moderate swell.
Remainder:
Winds not exceeding 25 knots. Slight to moderate seas. Low to moderate swell.
Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of
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 08:00 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 15 March 2026
Part 1 Warnings
Nil.
Part 2 Situation at 151800 UTC
Trough near 05S151E 11S156E to low 1006hPa near 13S158E to trough near 18S168E
20S170E. Forecast slow moving.
Part 3 Forecast
South of line 13S144E 10S159E 20S170E:
Southeasterly quarter winds, turning clockwise within 240nm of low. Wind speeds
20/30 knots. Moderate to rough seas. Low to moderate swell.
Remainder:
Winds not exceeding 20 knots. Slight to moderate seas. Low swell.
Rain areas, scattered showers, and isolated thunderstorms throughout area.
Heavy at times within 120nm of line 20S170E 11S157E 15S145E. 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 08:00 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 15 March 2026
Part 1 Warnings
Refer to latest warnings for boundary of affected area and type of weather
system.
Melbourne Gale Warning 6.
Part 2 Situation at 151800 UTC
Cold front near 49S080E 50S082E. Forecast near 43S107E 48S119E 50S121E at
170000UTC.
Trough near 30S084E 35S086E 38S084E to low 1012hPa near 36S080E. Forecast
trough near 28S088E 30S089E to low 1014hPa near 31S089E at 170000UTC.
Part 3 Forecast
Refer to latest warnings for details of the area affected
West of line 34S080E 39S083E:
Southeasterly quarter winds 20/30 knots. Rough seas. Low to moderate swell.
South of line 45S080E 44S129E, outside warning area:
Westerly quarter winds shifting northwesterly quarter winds within 600nm east
of front. Wind speeds 20/33 knots. Rough to very 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
front, 180nm of trough and 240nm 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 08:00 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 15 MARCH 2026
PART 1 WARNINGS
NIL.
PART 2 SITUATION AT 151800 UTC
TROUGH NEAR 10S109E 12S097E. FORECAST NEAR 10S108E 11S099E 12S095E AT
170000UTC.
PART 3 FORECAST
WHOLE AREA:
WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL.
RAIN AREAS, SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGHOUT
MOST OF
AREA, PARTICULARLY 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 07:15 UTC MONDAY.=