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 15 June 2026
Part 1 Warnings
Refer to latest warnings for boundary of affected area and type of weather
system.
Melbourne Gale Warning 5.
Part 2 Situation at 150600 UTC
Cold front near 29S074E 41S085E 50S090E. Forecast cold front near 41S095E
50S108E at 161200UTC.
Low [1] 1011hPa near 34S128E. Forecast low [1] 1009hPa near 37S131E at
161200UTC, just east of area.
Forecast low [2] 1015hPa near 30S082E at 160300UTC, entering from the north,
then low [2] 1015hPa near 32S084E at 161200UTC.
Forecast trough near 43S074E 49S077E at 160300UTC, entering from the west, then
45S080E 50S087E at 161200UTC.
Part 3 Forecast
Refer to latest warnings for details of the area affected.
South of line 34S080E 42S099E 50S113E, outside of warnings:
Northwesterly quarter winds shifting westerly quarter west of cold front, then
shifting northwesterly quarter within 180nm east of trough. Wind speeds 25/33
knots. Rough to very rough seas. Moderate to heavy swell.
East of line 33S118E 40S118E 44S129E:
Southeasterly quarter winds. Winds 20/30 knots. Rough to very rough seas.
Moderate to heavy swell.
WIthin 90nm west of line 35S085E 30S082E:
Southeasterly quarter winds. Winds 20/30 knots. Rough to very rough seas.
Moderate to heavy swell.
Within 240nm of line 16S110E 20S094E:
Southeasterly quarter winds 20/30 knots. Rough to very rough seas. Moderate
swell.
Remainder:
Winds not exceeding 25 knots. Moderate to rough seas. Low to moderate swell,
increasing to moderate to heavy east of line 24S111E 37S111E 50S123E.
Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of
cold front, lows, and north of line 18S089E 13S118E. Isolated showers
elsewhere. 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 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 1100 UTC 15 June 2026
Part 1 Warnings
Nil
Part 2 Situation at 150600 UTC
Cold front near 41S132E 50S138E. Forecast cold front near 43S155E 47S162E
50S165E at 160300UTC, exiting east of area.
Forecast warm front developing near 39S143E 39S136E 38S132E at 151200UTC, then
near 41S148E 41S142E 36S129E at 161200UTC.
Low [1] 1011hPa near 34S128E, just west of area. Forecast low [1] 1009hPa near
37S131E at 161200UTC.
Part 3 Forecast
South of line 49S129E 41S145E 41S162E:
Westerly quarter winds, shifting northwesterly east of cold front. Wind speed
25/33 knots. Rough to very rough seas. Moderate to heavy swell.
Between line 37S129E 40S139E 39S142E and line 49S129E 41S145E:
Southeasterly quarter winds 20/30 knots developing within 300nm south of warm
front after 160000UTC. 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, south of line 37S166E 41S155E.
Rain areas, scattered showers and isolated thunderstorms mainly within 240nm of
warm front, 180nm of cold front and 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 21:00 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 1100 UTC 15 June 2026
Part 1 Warnings
Nil.
Part 2 Situation at 150600 UTC
Trough 03S162E 10S169E 17S171E. Forecast trough near 01S161E 09S172E 15S176E at
161200UTC.
Part 3 Forecast
South of line 09S142E 13S170E:
Southeasterly quarter winds, wind speed 20/30 knots. Rough seas. Low to
moderate swell, increasing to heavy east of line 23S167E 13S168E.
Remainder:
Winds not exceeding 20 knots. Moderate seas. Low swell, increasing to low to
moderate swell south of 04S152E 01S164E 01S170E.
Scattered showers and isolated thunderstorms throughout area. Heavy at times
within 120nm east 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 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 1100 UTC 15 JUNE 2026
PART 1 WARNINGS
NIL.
PART 2 SITUATION AT 150600 UTC
SOUTHEASTERLY TRADE FLOW PREVAILS ACROSS THE REGION.
PART 3 FORECAST
EAST OF LINE 03S133E 12S128E 15S130E:
SOUTHEASTERLY QUARTER WINDS 15/25 KNOTS. MODERATE TO ROUGH SEAS. LOW
SWELL.
REMAINDER:
WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL,
INCREASING TO
LOW TO MODERATE SOUTH OF LINE EQ090E EQ099E 07S105E 10S123E 08S130E.
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 20:15 UTC MONDAY.=