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 2300 UTC 17 January 2025
Part 1 Warnings
Ocean Wind Warning for Tropical Cyclone
Melbourne Gale Warning 4.
Part 2 Situation at 1800 UTC
Trough [1] 14S125E to tropical low [1] (11U) 995hPa near 19S120E. Forecast
trough 15S124E 20S118E to 11U 990hPa near 19S116E at 190000UTC.
Cold front [1] 37S125E 50S125E. Forecast cold front 41S129E 50S130E at
180000UTC, and east of area thereafter.
Cold front [2] 44S097E 47S098E to low [2] 979hPa near 49S096E to warm front
47S100E 43S099E. Forecast cold front [2] 43S110E 49S115E to low [2] 976hPa near
50S113E to warm front 50S118E at 181200UTC, then warm front and low [2] south
of area thereafter and just cold front [2] 44S116E 50S124E 50S124E at 190000UTC.
Trough [2] 41S080E 42S089E 42S098E. Forecast trough 35S080E 42S090E 45S099E at
190000UTC.
Part 3 Forecast
Refer to latest warnings.
Within 420nm of 11U, outside warning areas:
Clockwise winds 20/33 knots. Rough seas. Low to moderate swell
East of line 20S106E 28S107E 34S114E: Southeasterly quarter winds 20/30 knots.
Rough seas. Low to moderate swell.
South of line 31S080E 46S129E, outside warning areas:
Westerly quarter winds shifting northerly quarter east of cold front [1] and
within 180nm east of warm front, turning northwesterly quarter within 360nm
east of cold front [2] and east of trough [2], and turning clockwise within
240nm of low [2]. Wind speeds 20/33 knots. Rough to very 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 26S088E 23S097E 29S115E 43S129E.
Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of
fronts, troughs and low [2], and within 240nm of 11U. Heavy at times within
180nm of 11U and trough [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 08:00 UTC Saturday.
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 2300 UTC 17 January 2025
Part 1 Warnings
Melbourne Gale Warning 4.
Part 2 Situation at 1800 UTC
Low [1] 1000hPa near 29S157E. Forecast low [1] 1003hPa near 27S155E at
181800UTC, and weakening thereafter.
Low [2] 1002hPa near 31S171E. Forecast low [2] 1001hPa near 32S172E at
180600UTC, and east of area thereafter.
Cold front approaching area from west near 37S125E 50S125E. Forecast cold front
46S134E 50S135E at 180600UTC, and south of area thereafter.
Trough 36S154E 40S162E 44S165E 47S165E. Forecast trough 33S163E 41S164E 46S169E
at 190000UTC.
Part 3 Forecast
Refer to latest warnings.
East of line 33S152E 36S150E 47S160E:
Southerly quarter flow 20/30 knots shifting easterly quarter below 25 knots
east of trough. Rough seas. Low to moderate swell.
Within 420nm of low [1]:
Clockwise winds 20/30 knots in southern semicircle, easing below 25 knots from
181800UTC. Rough seas. Low to moderate swell.
Within 240nm of low [2]:
Clockwise winds 20/30 knots in southern semicircle, easing below 25 knots from
180600UTC. Rough seas. Low to moderate swell.
North of line 42S141E 41S148E:
Northeasterly quarter winds 20/30 knots, easing below 25 knots from 181800UTC.
Rough seas. Low to moderate swell.
West of line 42S135E 50S142E, outside warning areas:
Northerly quarter winds 20/33 within 300nm east of front, shifting westerly
quarter 20/33 knots west of front. Winds easing below 25 knots from 180600UTC.
Remainder:
Winds not exceeding 25 knots. Slight to moderate seas. Low to moderate swell,
increasing to moderate to heavy south of line 44S143E 44S156E.
Rain areas, scattered showers and isolated thunderstorms within 360nm of lows,
and within 180nm of front and trough. Heavy at times within 120nm of low [2].
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 Saturday.
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 17 January 2025
Part 1 Warnings
Nil.
Part 2 Situation at 1800 UTC
Trough 19S153E 22S155E 25S160E. Forecast 17S157E 23S158E 25S164E at 190000UTC.
Part 3 Forecast
North of line 01S152E 04S170E:
Easterly quarter winds 15/25 knots. Moderate to rough seas. Low to moderate
swell.
South of line 23S151E 18S160E 22S170E:
Northwesterly quarter winds 15/25 knots east of trough tending variable below
20 knots west of trough. Moderate to rough seas. Low to moderate swell.
Remainder:
Winds not exceeding 20 knots. Slight to moderate seas. Low swell.
Rain areas, scattered showers and isolated thunderstorms throughout most of
area, except east of line 12S163E 20S163E 25S168E. 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 Saturday.
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 17 JANUARY 2025
PART 1 WARNINGS
NIL.
PART 2 SITUATION AT 1800 UTC
TROUGH 07S090E TO LOW 1007HPA NEAR 07S096E TO 10S102E. FORECAST
TROUGH 03S092E
TO LOW 1006HPA NEAR 08S098E TO 10S104E AT 190000UTC.
PART 3 FORECAST
WEST OF LINE EQ107E 12S123E:
WESTERLY QUARTER WINDS TENDING NORTHWESTERLY QUARTER NORTH OF TROUGH,
SHIFTING
SOUTHEASTERLY QUARTER SOUTH OF TROUGH AND TURNING CLOCKWISE WITHIN
180NM OF
LOW. WIND SPEEDS 15/25 KNOTS, EASING BELOW 20 KNOTS SOUTH OF TROUGH.
MODERATE
TO ROUGH SEAS. LOW SWELL, INCREASING TO LOW TO MODERATE SWELL SOUTH
OF LINE
EQ093E 06S106E 09S119E.
REMAINDER:
WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL.
RAIN AREAS, SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGHOUT
MOST OF
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 07:15 UTC SATURDAY.=