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 9 July 2026
Part 1 Warnings
Nil.
Part 2 Situation at 090600 UTC
High 1031hPa near 41S152E. Forecast 1026hPa near 42S158E at 101200UTC.
Cold front forecast to enter area from the west 39S129E to low [1] 1003hPa near
42S130E at 100300UTC, then 34S129E to low 995hPa near 45S135E at 101200UTC.
Low [2] 999hPa forecast to enter area from the west near 48S129E at 091500UTC,
then moving south of area 994hPa near 51S131E at 100000UTC.
Part 3 Forecast
South of line 35S129E 50S150E:
Northwesterly quarter winds, shifting westerly west of cold front, and turning
clockwise within 120nm of low [1] and within 300nm of low [2]. Wind speeds
20/30 knots. Rough seas. Moderate swell.
Remainder:
Winds not exceeding 25 knots. Slight to moderate seas. Low to moderate swell,
increasing to moderate to heavy swell east of line 25S158E 38S158E.
Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of
front and within 240nm of 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 21:00 UTC Thursday.
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 9 July 2026
Part 1 Warnings
Refer to latest warnings for boundary of affected area and type of weather
system.
Melbourne Storm Force Wind Warning 10.
Melbourne Gale Warning 7.
Part 2 Situation at 090600 UTC
Cold front [1] 40S121E to low [1] 1001hPa near 47S125E. Forecast near 37S120E
43S128E to low [1] 999hPa near 48S129E at 091500UTC, then low moving east of
area and just cold front [1] near 33S125E 39S129E at 100600UTC, and then moving
east of area.
Cold front [2] near 43S094E 50S101E. Forecast near 35S122E 45S127E 50S126E at
101200UTC.
Trough [1] 25S093E to low [2] 1015hPa near 33S102E to 36S110E. Forecast 22S100E
to low 1018hPa near 27S103E to 31S108E at 101200UTC.
Warm front forecast to enter area from the west near 46S084E 50S080E by
091200UTC, then near 46S111E 50S110E at 101200UTC.
Part 3 Forecast
Refer to latest warnings for details of the area affected.
South of line 41S080E 40S102E 33S129E, outside warning areas:
Westerly quarter winds, shifting northwesterly quarter within 180nm east of
cold fronts [1] and [2], becoming southwesterly quarter within 720nm west of
cold front [2], and turning clockwise within 120nm of low [1]. Wind speeds
20/33 knots. Rough to very rough seas. Moderate to heavy swell.
West of line 24S100E 35S111E:
Southeasterly quarter winds 20/33 knots within 420nm southwest of trough.
Moderate to 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 38S080E 38S089E.
Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of
fronts, trough, lows, and north of line 19S090E 19S095E. Heavy at times within
90nm of low [2]. 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 Thursday.
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 9 July 2026
Part 1 Warnings
Nil.
Part 2 Situation at 090600 UTC
Trough near 05S149E 10S152E. Forecast near 06S158E 11S155E at 101200UTC.
Part 3 Forecast
West of line 06S153E 14S162E:
Southeasterly quarter winds 20/30 knots. Rough seas. Low to moderate swell.
Remainder:
Winds not exceeding 20 knots. Slight to moderate seas. Low to moderate swell.
Scattered showers and thunderstorms mostly north of 14S. Heavy at times within
120nm west 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 Thursday.
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 9 JULY 2026
PART 1 WARNINGS
NIL.
PART 2 SITUATION AT 090600 UTC
SOUTHEASTERLY TRADE WINDS.
PART 3 FORECAST
WHOLE AREA:
WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL,
INCREASING TO
LOW TO MODERATE WEST OF LINE EQ098E 06S105E 09S120E.
SCATTERED SHOWERS AND THUNDERSTORMS POSSIBLE 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 THURSDAY.=