IDY10210
SECURITE
Updated 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 2300 UTC 30 November 2025
Part 1 Warnings
Nil.
Part 2 Situation at 301800 UTC
Trough [1] 25S154E 32S159E 36S160E. Forecast 25S159E 31S167E 35S169E at
020000UTC.
Cold front [1] 35S158E 38S160E 41S159E to low [1] 996hPa near 42S155E. Forecast
34S166E 41S170E to low 1000hPa near 42S161E at 011200UTC.
Cold front [2] 40S137E 41S150E. Forecast 28S157E 39S161E at 020000UTC.
Forecast cold front [3] entering area from west near 46S127E 50S133E at
011800UTC, then 46S129E 50S138E at 020000UTC.
Part 3 Forecast
North of line 25S156E 30S160E 42S146E 38S136E:
Southwesterly quarter winds within 320nm west of cold front [3] expanding to
within 480nm west of cold front [3] from 011800UTC. Wind speeds 20/33 knots.
Rough to very rough seas. Low to moderate swell.
West of line 36S160E 41S161E:
Northwesterly quarter winds within 120nm east of cold front [1], shifting
southeasterly quarter winds within 120nm west of cold front [1]. Wind speeds
20/33 knots. Rough to very rough seas. Low to moderate swell.
Within 360nm of cold front [3]:
Northwesterly quarter winds 20/30 knots. Rough seas. Low to moderate swell.
Remainder:
Winds not exceeding 25 knots. Moderate to rough seas. Low to moderate swell.
Rain areas, scattered showers and isolated thunderstorms mostly within 300nm
northeast of trough and cold front [3], and within 180nm of cold front [1] and
cold front [2] and 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 08:00 UTC Monday.
IDY10220
SECURITE
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 2300 UTC 30 November 2025
Part 1 Warnings
Refer to latest warnings for details of the area affected.
Melbourne Gale Warning 10.
Melbourne Gale Warning 11.
Melbourne Gale Warning 12.
Part 2 Situation at 301800 UTC
Cold front [1] 30S087E 37S099E 48S113E to low [1] 978hPa near 50S104E. Forecast
37S115E 46S129E to low south of area at 020000UTC.
Trough [1] 38S086E 45S091E 50S087E. Forecast 44S113E 48S117E at 020000UTC.
Forecast cold front [2] entering area from west near 43S074E 47S081E 50S077E at
010600UTC, then 41S089E 44S100E 46S101E 49S098E at 020000UTC.
Part 3 Forecast
Refer to latest warnings for boundary of affected area and type of weather
system:
South of line 38S080E 37S094E 42S129E, outside of warning area:
Northwesterly quarter winds, shifting westerly quarter within 300nm west of
cold front [1], shifting southwesterly quarter winds within 480nm west of
trough and west of cold front [2], and turning clockwise 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.
Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of
trough and cold front, and within 240nm 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 08:00 UTC Monday.
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 2300 UTC 30 November 2025
Part 1 Warnings
Nil.
Part 2 Situation at 301800 UTC
Trough [1] 21S149E 25S154E. Forecast 23S154E 25S157E at 010900UTC, then
weakening thereafter.
Trough [2] forecast developing near 21S148E 25S153E at 011500UTC, then near
20S150E 25S158E at 020000UTC.
Part 3 Forecast
South of line 20S148E 23S165E:
Northwesterly quarter winds shifting southwesterly quarter winds west of
trough. Wind speeds 15/25 knots developing from 011500UTC. Moderate to rough
seas. Low swell.
Remainder:
Winds not exceeding 20 knots. Slight to moderate seas. Low swell.
Rain areas, isolated showers and isolated thunderstorms throughout area, heavy
at times within 240nm east 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 08:00 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 2300 UTC 30 NOVEMBER 2025
PART 1 WARNINGS
NIL.
PART 2 SITUATION AT 301800 UTC
TROUGH [1] 12S138E 13S130E 15S126E. FORECAST 09S140E 11S122E AT
020000UTC.
TROUGH [2] FORECAST DEVELOPING NEAR 15S136E 18S141E AT 011200UTC,
THEN 14S137E
17S142E AT 020000UTC.
PART 3 FORECAST
SOUTH OF LINE 13S135E 16S142E:
SOUTHWESTERLY QUARTER WINDS 15/25 KNOTS DEVELOPING SOUTH OF TROUGH
[2] FROM
011500UTC. MODERATE TO ROUGH SEAS. LOW SWELL.
REMAINDER:
WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL,
INCREASING TO
LOW TO MODERATE SOUTH OF LINE 12S097E 09S102E 11S114E.
RAIN AREAS, SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGHOUT
AREA EXCEPT
SOUTH OF LINE 12S119E 07S105E 11S097E 10S090E. 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 MONDAY.=