IDY10230
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Updated 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 15 January 2026
Part 1 Warnings
Nil.
Part 2 Situation at 151800 UTC
Trough 23S155E to Tropical Low (14U) 998hPa near 19S161E to monsoon trough
18S163E 17S169E. Forecast trough 21S154E to Tropical Low (14U) 998hPa near
16S160E to monsoon trough 17S170E at 170000UTC.
Part 3 Forecast
Within area bounded by 08S170E 17S170E 22S160E 13S147E 04S144E EQ150E 08S170E:
Northwesterly quarter winds 15/25 knots, tending southwesterly quarter within
480nm north of trough, shifting northeasterly south of trough and monsoon
trough, and turning clockwise within 180nm of Tropical Low (14U). Moderate to
rough seas. Low swell.
Remainder:
Winds not exceeding 20 knots. Slight to moderate seas. Low swell.
Rain areas, scattered showers and isolated thunderstorms mostly north of
troughs. Heavy at times within 400nm in northern quadrant of Tropical Low
(14U). 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 Friday.
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 2300 UTC 15 January 2026
Part 1 Warnings
Refer to latest warnings for details of the area affected.
Melbourne Gale Warning 11.
Part 2 Situation at 151800 UTC
Tropical low (15U) 1000hPa near 15S112E. Forecast tropical low (15U) 1000hPa
near 16S110E at 170000UTC.
Cold front 36S090E 40S101E 50S110E. Forecast 45S120E 50S125E at 170000UTC.
Forecast trough developing near 31S119E to low 1000hPa near 35S119E to 38S116E
at 161500UTC, then 33S123E to low 999hPa near 38S120E to 39S119E 43S119E at
170000UTC.
Forecast warm front entering from west near 49S081E 52S076E at 160600UTC, then
near 47S100E 50S099E at 170000UTC.
Part 3 Forecast
South of line 39S080E 36S100E 47S129E:
Northwesterly quarter winds cold front, shifting southwesterly quarter within
900nm west of cold front, tending northwesterly quarter within 720nm east of
warm front, and shifting westerly quarter west of warm front. Wind speeds 20/33
knots. Rough to very rough seas. Moderate to heavy swell.
Within 180nm of Tropical Low (15U):
Clockwise winds 20/30 knots. Rough seas. Moderate swell.
North of line 40S117E 40S127E:
Northeasterly quarter winds 20/30 knots developing after 160000UTC. Rough seas.
Low to moderate swell.
East of line 28S113E 23S108E:
Southeasterly quarter winds 20/30 knots. Rough seas. 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 180nm of
fronts, and within 180nm of tropical low (15U). Heavy at times within 60nm of
tropical low (15U). 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 Friday.
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 15 January 2026
Part 1 Warnings
Refer to latest warnings for details of the area affected.
Melbourne Gale Warning 10.
Part 2 Situation at 151800 UTC
Trough 35S153E to low 1000hPa near 35.5S150.5E. Forecast 30S161E to low 1003hPa
near 32S157E to 32S152E at 170000UTC.
Part 3 Forecast
Refer to latest warnings for boundary of affected area and type of weather
system.
Within area enclosed by 41S142E 41S152E 37S159E 30S160E 30S153E 36S136E
41S142E, outside warning areas:
Southeasterly quarter winds tending northwesterly within within 180nm south of
trough, tending northerly quarter of of trough, and turning clockwise within
120nm of low. Wind speeds 20/33 knots. Rough to very 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 180nm of
trough and within 300nm of low. Heavy at times within 180nm of low and within
120nm south 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 Friday.
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 15 JANUARY 2026
PART 1 WARNINGS
NIL.
PART 2 SITUATION AT 151800 UTC
TROUGH 11S090E 09S095E 11S110E. FORECAST 10S090E 06S095E 09S103E AT
170000UTC.
PART 3 FORECAST
SOUTH OF LINE 04S107E 04S142E:
WESTERLY QUARTER WINDS 15/25 KNOTS, INCREASING UP TO 30 KNOTS SOUTH
OF LINE
05S138E 05S120E. MODERATE TO ROUGH SEAS. LOW SWELL INCREASING TO LOW
TO
MODERATE SWELL SOUTH OF LINE 10S106E 10S119E.
REMAINDER:
WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL.
RAIN AREAS, SCATTERED SHOWERS AND THUNDERSTORMS THROUGHOUT AREA.
HEAVY AT TIMES
WITHIN 120NM OF THE TOP END. 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 FRIDAY.=