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 11 June 2026
Part 1 Warnings
Refer to latest warnings for boundary of affected area and type of weather
system.
Melbourne Gale Warning 1.
Melbourne Gale Warning 2.
Part 2 Situation at 111800 UTC
Weakening low [1] 994 hPa near 49S127E, then decaying south of area.
Cold front [1] near 35S120E to low [2] 1003 hPa near 40S124E. Forecast east of
area from 120600UTC.
Cold front [2] near 39S096E to low [3] 991 hPa near 46S100E. Forecast 37S109E
50S109E to low [3] 987 hPa near 54S105E at 121200UTC and weakening near 42S119E
to low [3] 984 hPa near 55S108E at 130000UTC.
Cold front [3] approaching from the west near 42S071E 47S081E to low [4] 986
hPa near 50S079E. Forecast 38S095E 48S099E to low [3] 980 hPa near 50S095E at
121200UTC
and 35S102E 46S112E to low 977 hPa near 49S105E at 130000UTC.
Slow moving trough near 14S101E 26S113E, weakening by 121200UTC.
Part 3 Forecast
Refer to latest warnings for details of the area affected.
South of line 39S080E 35S087E 32S129E, outside of warnings:
Westerly quarter winds shifting northerly quarter within 360nm east of cold
fronts. Winds turning clockwise within 240nm of lows. 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 moderate to heavy swell south of line 34S097E
25S101E 23S114E.
Rain areas, scattered showers and isolated thunderstorms mostly within 240nm of
cold fronts 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 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 11 June 2026
Part 1 Warnings
Nil.
Part 2 Situation at 111800 UTC
Low 1011hPa near 02S160E. Forecast low 1008hPa near 06S166E at 130000UTC.
Part 3 Forecast
South of line 04S142E 15S162E 15S170E:
Southeasterly quarter winds. Wind speeds 15/25 knots. Moderate to rough seas.
Low to moderate swell.
Remainder:
Winds not exceeding 20 knots. Slight to moderate seas. Low swell north of line
14S144E EQ167E, increasing to low to moderate swell elsewhere.
Isolated showers throughout area. Isolated thunderstorms north of 04S142E
15S162E 15S170E. Heavy precipitation at times within 180nm 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 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 2300 UTC 11 June 2026
Part 1 Warnings
Melbourne Gale Warning 2.
Part 2 Situation at 111800 UTC
Low [1] 994hPa near 49S127E. Forecast low [1] 993hPa near 51S130E at 120600UTC
and decaying thereafter.
Cold front west of area, forecast to enter near 34S123E to low [2] 995 hPa near
41S130E at 120000UTC, forecast cold front 33S132E to low [2] 980 hPa near
49S136E at 121200UTC and cold front 35S137E 45S145E to low [2] 975 hPa near
53S139E 130000UTC.
Part 3 Forecast
Refer to latest warnings for details of the area affected.
South of line 32S129E 32S135E 45S160E, outside warning areas:
Northerly quarter winds, shifting southwesterly quarter west of cold front.
Winds turning clockwise within 120nm of low [1] and within 240nm of low [2].
Wind speed 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.
Rain areas, scattered showers and isolated thunderstorms mostly within 420nm of
cold front and lows. 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 11 JUNE 2026
PART 1 WARNINGS
NIL.
PART 2 SITUATION AT 111800 UTC
SOUTHEASTERLY TRADE FLOW PREVAILS ACROSS THE REGION.
PART 3 FORECAST
SOUTH OF LINES 04S090E 07S096E 12S099E AND 12S120E 04S126E 04S142E:
SOUTHEASTERLY QUARTER WINDS 15/25 KNOTS. MODERATE TO ROUGH SEAS. LOW
SWELL,
TENDING LOW TO MODERATE SWELL WEST OF LINE EQ099E 10S122E 12S122E.
REMAINDER:
WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL,
INCREASING TO
LOW TO MODERATE WEST OF LINE EQ099E 10S122E 12S122E.
RAIN AREAS, SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGHOUT.
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.=