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 27 MAY 2026
PART 1 WARNINGS
NIL.
PART 2 SITUATION AT 271800 UTC
NIL SIGNIFICANT FEATURES.
PART 3 FORECAST
WHOLE AREA:
WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL,
INCREASING TO
LOW TO MODERATE SWELL WEST OF LINE EQ099E 06S105E 09S118E 12S119E.
RAIN AREAS, SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGHOUT
AREA,
EXCEPT SOUTH OF LINE 12S107E 07S116E 06S132E 12S142E. 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 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 27 May 2026
Part 1 Warnings
Refer to latest warnings for boundary of affected area and type of weather
system.
Melbourne Gale Warning 1.
Part 2 Situation at 270600 UTC
Cold front [1] 34S104E 43S112E to low [1] 998hPa near 49S112E. Forecast low [1]
996hPa near 49S116E at 271800UTC, and south of area thereafter. Forecast low
[2] 1000hPa developing near 39S117E at 272100UTC, and cold front [1] near
34S125E to low [2] 993hPa near 44S125E to 48S126E at 281200UTC.
Cold front [2] near 41S081E 47S091E 50S094E. Forecast 41S089E 46S103E 50S107E
at 281200UTC.
Trough [1] near 16S099E 21S100E 25S106E 31S110E. Forecast near 17S102E 20S104E
25S113E at 281200UTC.
Trough [2] west of area, forecast to enter near 32S080E 36S081E 37S080E at
271200UTC. Trough [2] near 28S087E 32S086E 35S086E at 281200UTC.
Trough [3] west of area, forecast to enter near 50S082E 47S080E at 280300UTC.
Trough [3] near 43S083E 48S091E 50S091E at 281200UTC.
Part 3 Forecast
Refer to latest warnings for details of the area affected.
South of line 34S129E 27S111E 40S108E 43S080E, outside of warning areas:
Southwesterly quarter winds, shifting northwesterly quarter east of cold front
[1], within 120nm east of cold front [2], and within 360nm east of trough [3].
Winds turning clockwise within 300nm of low [1] and within 180nm of low [2].
Wind speeds 20/30 knots. Rough seas. Moderate to heavy swell.
West of line 43S080E 42S084E 30S084E:
Southeasterly quarter winds 20/30 knots west of trough [2], shifting north
westerly quarter within 60nm west of trough [3]. Rough seas. Moderate to heavy
swell.
Remainder:
Winds not exceeding 25 knots. Slight to moderate seas. Low to moderate swell,
increasing to moderate to heavy south of line 17S090E 17S098E 25S108E.
Rain areas, scattered showers and isolated thunderstorms mainly within 120nm of
fronts, lows, and troughs. 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 Wednesday.
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 May 2026
Part 1 Warnings
Refer to latest warnings for boundary of affected area and type of weather
system.
Nil.
Part 2 Situation at 270600 UTC
Trough [1] near 34S152E 38S150E 40S146E. Forecast near 42S151E 45S147E at
281200UTC.
Trough [2] developing near 26S153E 30S153E 34S153E at 271200UTC. Forecast near
25S155E 29S155E to developing low 1003hPa near 31S153E to 40S152E at 281200UTC.
Part 3 Forecast
Refer to latest warnings for details of the area affected.
Within 180nm of line 29S162E 41S155E:
Northeasterly quarter winds 20/30 knots. Moderate to rough seas. Moderate swell.
West of line 46S129E 50S133E:
Northerly quarter winds 20/30 knots. Rough seas. Moderate swell.
Remainder:
Winds not exceeding 25 knots. Slight to moderate seas. Low to moderate swell,
increasing to heavy south of line 46S160E 50S152E.
Rain areas, scattered showers and isolated thunderstorms mostly west of line
26S165E 47S153E. Heavy at times within 60nm of line 32S158E 40S155E. 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 Wednesday.
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 May 2026
Part 1 Warnings
Nil.
Part 2 Situation at 270600 UTC
Trough forecast to develop near 22S152E 25S153E at 271200UTC. Forecast 21S153E
25S155E at 281200UTC.
Part 3 Forecast
South of line 25S161E 21S170E:
Northeasterly quarter winds 15/25 knots. Moderate to rough seas. Low to
moderate swell.
Within 180nm west of trough:
Northwesterly quarter winds 15/25 knots. 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 south of line 22S153E 19S170E.
Rain areas, scattered showers and isolated thunderstorms mainly north of line
10S142E 13S170E and south of line 18S147E 19S170E. 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 Wednesday.