IDY10220
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Updated 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 23 October 2025
Part 1 Warnings
Refer to latest warnings for details of the area affected.
Melbourne Gale Warning 12.
Part 2 Situation at 230600 UTC
Cold front [1] 31S107E 36S111E to low 1008hPa near 39S109E. Forecast 29S122E
32S122E to low 1004hPa near 36S114E at 232100UTC and 27S125E 33S128E to low
1001hPa near 37S117E at 241200UTC.
Cold front [2] 45S080E 56S094E. Forecast 33S091E 42S097E 50S099E at 241200UTC.
Part 3 Forecast
Refer to latest warnings for boundary of affected area and type of weather
system.
Within area enclosed by 30S115E 30S108E 35S104E 40S108E 40S129E:
Northwest quarter winds east of front [1], shifting westerly quarter west of
front [1], and easterly quarter south of front [1] after 232100UTC. Clockwise
winds within 180nm of low. Wind speeds 20/33 knots. Moderate to rough seas. Low
to moderate swell.
Southwest of line 33S080E 33S090E 40S102E 50S107E, outside warning area:
Northwest quarter winds east of front [2] shifting westerly quarter west of
front [2]. Wind speeds 25/33 knots. Moderate to rough seas. Moderate to heavy
swell.
Remainder:
Winds not exceeding 25 knots. Slight to moderate seas. Low to moderate swell.
Rain areas, scattered showers and isolated thunderstorms mostly within 240nm of
fronts and 300nm of 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 20:00 UTC Thursday.
IDY10210
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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 23 October 2025
Part 1 Warnings
Refer to latest warnings for details of the area affected.
Melbourne Gale Warning 11.
Part 2 Situation at 230600 UTC
Ridge 38S153E 50S153E. East of area by 240000UTC.
Cold front 40S140E 50S145E. Forecast 37S163E 43S167E 50S164E at 241200UTC.
Part 3 Forecast
Refer to latest warnings for boundary of affected area and type of weather
system.
South of line 48S129E 38S150E 39S164E, outside warning area:
Southwest quarter winds east of ridge shifting northwest quarter east of front
and westerly quarter remainder to west. Wind speeds 20/33 knots. Moderate to
rough seas. Moderate to heavy swell.
Remainder:
Winds not exceeding 25 knots. Slight to moderate seas. Low to moderate swell.
Rain areas, scattered showers and isolated thunderstorms within 240nm of cold
front. 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 Thursday.
IDY10230
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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 23 October 2025
Part 1 Warnings
Nil.
Part 2 Situation at 230600 UTC
Trough 01S148E 10S159E, slow moving.
Part 3 Forecast
Whole area:
Winds not exceeding 20 knots. Slight to moderate seas. Low swell, increasing to
moderate southeast of line 21S170E 25S163E.
Rain areas, scattered showers and isolated thunderstorms mainly north of line
09S142E 19S160E 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 20:00 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 23 OCTOBER 2025
PART 1 WARNINGS
NIL.
PART 2 SITUATION AT 230600 UTC
NIL SIGNIFICANT FEATURES.
PART 3 FORECAST
WHOLE AREA:
WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL,
INCREASING TO
MODERATE WEST OF 105E SOUTH FROM INDONESIA.
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS MAINLY NORTH OF LINE
12S090E
12S114E 06S121E 09S142E. 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 19:15 UTC THURSDAY.=