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 20 OCTOBER 2026
PART 1 WARNINGS
NIL.
PART 2 SITUATION AT 201800 UTC
NO SIGNIFICANT FEATURES.
PART 3 FORECAST
EAST OF LINE 08S136E 11S138E 12S140E, SOUTH OF LINE 10S090E 12S096E,
AND WITHIN
60NM OF LINE 04S101E 08S105E:
SOUTHEASTERLY 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 WEST OF LINE EQ095E 07S106E 09S119E 12S119E.
ISOLATED SHOWERS AND THUNDERSTORMS MOSTLY NORTH OF 05S. 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 07:15 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 20 October 2026
Part 1 Warnings
Refer to latest warnings for boundary of affected area and type of weather
system.
Melbourne Gale Warning 4.
Part 2 Situation at 200600 UTC
Forecast trough west of area near 41S117E 43S129E at 210000UTC, trough 49S129E
49S141E at 211200UTC.
Part 3 Forecast
Refer to latest warnings for details of the area affected.
South of line 38S129E 50S155E, outside of warning areas:
Northwesterly quarter winds 20/33 knots shifting northerly quarter north of
trough. 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 37S129E 41S138E.
Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of
line 43S148E 48S160E, within 360nm of trough, and north of line 38S149E
38S170E. 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 20:00 UTC Tuesday.
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 20 October 2026
Part 1 Warnings
Refer to latest warnings for boundary of affected area and type of weather
system.
Melbourne Gale Warning 4.
Melbourne Final Gale Warning 5.
Part 2 Situation at 200600 UTC
Trough near 33S085E 39S097E 50S097E. Forecast trough 31S109E 38S118E to low
972hPa developing near 48S116E at 210600UTC, and 36S121E 40S124E to low 969hPa
near 50S121E at 211200UTC.
Part 3 Forecast
Refer to latest warnings for details of the area affected.
South of line 36S080E 30S108E 39S129E, outside of warning areas.
Northwesterly quarter winds, turning southwesterly quarter west of trough.
Clockwise winds within 240nm of low. 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 south of line 27S080E 23S103E 37S129E.
Rain areas, scattered showers and isolated thunderstorms mostly within 240nm of
low, and within 600nm east of trough and 240nm 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 20:00 UTC Tuesday.
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 20 October 2026
Part 1 Warnings
Nil.
Part 2 Situation at 200600 UTC
No significant features.
Part 3 Forecast
East of line 25S158E 13S158E 08S164E and also within 60nm of Vitiaz Strait:
Southeasterly quarter winds 15/25 knots, reaching 30 knots at times within
Vitiaz Strait. Moderate to rough seas. Low to moderate swell, low swell within
Vitiaz Strait.
Remainder:
Winds not exceeding 20 knots. Slight to moderate seas. Low swell, increasing to
low to moderate swell south of line EQ170E 13S155E.
Isolated showers and isolated thunderstorms throughout, increasing to scattered
north of line EQ149E 06S157E EQ167E and within 360nm of line 12S155E 25S155E.
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 20:00 UTC Tuesday.