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 July 2026
Part 1 Warnings
Nil.
Part 2 Situation at 270600 UTC
Trough near 02S160E to low 1009hPa near 08S170E. Forecast trough near EQ161E to
low 1009hPa near 05S168E to 06S170E at 281200UTC.
Part 3 Forecast
North of line EQ155E 07S170E and south of line 20S149E 18S154E 25S163E:
Winds not exceeding 20 knots. Slight to moderate seas. Low to moderate swell.
Remainder:
Southeasterly quarter winds 15/25 knots. Moderate to rough seas. Low to
moderate swell.
Scattered showers and isolated thunderstorms throughout area. Heavy at times
within 120nm south 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.
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 July 2026
Part 1 Warnings
Refer to latest warnings for boundary of affected area and type of weather
system.
Melbourne Storm Force Wind Warning 5.
Melbourne Gale Warning 10.
Part 2 Situation at 270600 UTC
Cold front [1] near 39S130E to low [1] 1016hPa near 44S136E to warm front [1]
near 46S146E. Forecast cold front [1] near 48S147E to low [1] 995hPa near
50S152E to warm front [1] south of area near 52S155E 53S160E at 281200UTC.
Cold front [2] west of area, forecast to enter near 41S129E 45S132E to low [2]
985hPa near 48S129E to warm front [2] near 48S129E 49S130E at 271200UTC.
Forecast cold front [2] near 36S140E 40S143E to low 997hPa near 46S144E to warm
front near 48S147E at 281200UTC.
Part 3 Forecast
Refer to latest warnings for details of the area affected.
South of line 35S129E 35S154E 45S160E, outside warning areas:
Northwesterly quarter winds shifting southwesterly quarter within 240nm west of
cold front [1] and west of cold front [2]. Clockwise winds within 300nm of low
[1] and within 600nm of low [2]. 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 heavy swell south of line 31S129E 34S136E.
Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of
fronts and 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 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 1100 UTC 27 July 2026
Part 1 Warnings
Refer to latest warnings for boundary of affected area and type of weather
system.
Melbourne Storm Force Wind Warning 5.
Melbourne Gale Warning 9.
Part 2 Situation at 270600 UTC
Cold front [1] near 43S121E 46S126E to low [1] 984hPa near 49S125E. Forecast
cold front [1] and low [1] east of area thereafter.
Cold front [2] near 41S080E 50S093E. Forecast cold front [2] near 48S124E
50S128E at 281200UTC.
Cold front [3] west of area, forecast to enter near 45S080E 50S085E at
280000UTC, and cold front [3] forecast near 47S095E 50S099E at 281200UTC.
Low [2] 1014hPa near 31S086E. Forecast low [2] 1017hPa near 35S094E at
281200UTC.
Part 3 Forecast
Refer to latest warnings for details of the area affected.
South of line 42S080E 45S117E 38S120E 36S129E, outside warning areas:
Westerly quarter winds shifting northwesterly quarter within 480nm east of cold
fronts [2] and [3]. WInds becoming clockwise within 540nm of low [1]. 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 40S080E 42S092E 32S129E.
Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of
fronts, within 240nm of lows [2], and within 360nm 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 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 27 JULY 2026
PART 1 WARNINGS
NIL.
PART 2 SITUATION AT 270600 UTC
SOUTHEASTERLY TRADE FLOW.
PART 3 FORECAST
NORTH OF LINE 05S090E 05S111E:
WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL,
INCREASING TO
MODERATE WEST OF LINE EQ096E 12S122E.
REMAINDER:
SOUTHEASTERLY QUARTER WINDS 15/25 KNOTS. MODERATE TO ROUGH SEAS. LOW
SWELL,
INCREASING TO LOW TO MODERATE WEST OF LINE EQ096E 12S122E.
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGHOUT MOST OF THE
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 MONDAY.=