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 1100 UTC 27 June 2026
Part 1 Warnings
Nil.
Part 2 Situation at 270600 UTC
High 1033hPa near 42S146E. Forecast 1035hPa near 46S155E at 281200UTC.
Part 3 Forecast
West of line 32S137E 50S137E:
Northerly quarter winds 20/30 knots. Rough seas. Moderate swell.
Remainder:
Winds not exceeding 25 knots. Moderate to rough seas. Low to moderate swell,
increasing to moderate to heavy swell south of line 49S143E 48S160E.
Isolated showers throughout, becoming scattered west of 132E and east of the
New South Wales coast. 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 21:00 UTC Saturday.
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 1100 UTC 27 June 2026
Part 1 Warnings
Nil.
Part 2 Situation at 270600 UTC
Trough 04S157E 04S162E EQ170E. Forecast trough 02S157E 06S170E at 281200UTC.
Part 3 Forecast
Bounded by lines 09S142E 06S160E 08S170E and 25S142E 25S153E 19S170E, and
within Vitiaz Strait:
Southeasterly quarter winds 15/25 knots, reaching up to 30 knots at times
within the Vitiaz Strait. 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 east of 160E.
Scattered showers, rain areas and isolated thunderstorms mostly throughout the
area. Widespread showers within 300nm 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 21:00 UTC Saturday.
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 1100 UTC 27 June 2026
Part 1 Warnings
Refer to latest warnings for boundary of affected area and type of weather
system.
Melbourne Gale Warning 3.
Melbourne Storm Force Wind Warning 10.
Part 2 Situation at 270600 UTC
Low [1] 989hPa near 38S119E. Forecast low [1] 993hPa near 41S124E at 281200UTC.
Cold front [2] 38S078E 45S084E. Forecast cold front [2] 34S080E 40S092E 43S093E
to low [2] 993hPa developing near 44S091E at 271800UTC, and 32S087E 36S101E
40S106E 44S106E to low [2] 994hPa near 44S103E at 281200UTC.
Trough 45S084E 50S091E. Forecast trough from low [2] developing near 44S091E to
46S093E 50S101E at 271800UTC, and trough from low [2] near 44S103E to 50S114E
at 281200UTC.
Part 3 Forecast
Refer to latest warnings for details of the area affected.
South of line 37S080E 36S107E, outside warning areas:
Southwesterly quarter winds west of cold front and trough, shifting
northwesterly quarter east of cold front and trough. Winds shifting southerly
within 480nm west of trough and becoming clockwise 360nm of low [2] from
271800UTC. Wind speeds 20/33 knots. Rough to very rough seas. Moderate to heavy
swell.
East of line 30S108E 50S111E, outside of warning areas:
Clockwise winds about low [1]. Wind speeds 20/33 knots. Rough to very rough
seas. Moderate to heavy swell.
North of line 17S090E 17S104E:
Southeasterly quarter winds 20/30 knots. Rough to very rough seas. Low to
moderate swell.
Remainder:
Winds not exceeding 25 knots. Moderate to rough seas. Moderate to heavy swell,
abating to low east of line 12S117E 20S117E.
Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of
front and trough, and within 300nm of low [2] and 480nm of low [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 21:00 UTC Saturday.
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 1100 UTC 27 JUNE 2026
PART 1 WARNINGS
NIL.
PART 2 SITUATION AT 270600 UTC
SOUTHEASTERLY TRADE FLOW.
PART 3 FORECAST
SOUTH OF LINES 05S099E 07S108E, AND 08S139E 08S142E:
SOUTHEASTERLY QUARTER WINDS 15/25 KNOTS. MODERATE TO ROUGH SEAS. LOW
SWELL, LOW
TO MODERATE SWELL WEST OF 108E.
REMAINDER:
WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL,
INCREASING TO
LOW TO MODERATE WEST OF LINE EQ096E 09S119E 12S119E.
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 20:15 UTC SATURDAY.=