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 19 January 2026
Part 1 Warnings
Refer to latest warnings for details of the area affected.
Melbourne Gale Warning 2.
Melbourne Gale Warning 3.
Part 2 Situation at 190600 UTC
Trough [1] 29S086E to low 1002hPa near 36S088E to trough [1] 41S097E. Forecast
29S089E to low 1006hPa near 34S091E to trough [1] 40S097E 201200UTC.
Trough [2] near 13S094E 15S100E. Forecast slow moving.
Forecast cold front approaching area from west near 46S080E 50S085E at
200600UTC. Forecast near 43S080E 50S090E at 201200UTC.
Part 3 Forecast
Refer to latest warnings for boundary of affected area and type of weather
system.
East of line 28S110E 36S114E:
Southeasterly quarter winds. Wind speeds 20/30 knots. Moderate to rough seas.
Moderate to heavy swell.
West of line 30S090E 40S098E, outside warning areas:
Southerly quarter winds west of trough [1] turning clockwise within 120nm of
low. Wind speeds 20/33 knots within 480nm west of trough [1], decreasing below
25 knots elsewhere. Moderate to rough seas. Moderate to heavy swell.
South of line 41S080E 47S116E, outside warning areas:
Northwesterly quarter winds 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 moderate to heavy south of 26S.
Rain areas, scattered showers and isolated thunderstorms mostly within 360nm of
front and low, within 180nm of troughs, and east of line 12S120E 17S123E. Heavy
at times within 120nm of trough [2], low and east of line 12S120E 17S123E.
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 Monday.
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 19 January 2026
Part 1 Warnings
Refer to latest warnings for details of the area affected.
Melbourne Gale Warning 4.
Part 2 Situation at 190600 UTC
Trough [1] near 35S168E to low 1002hPa near 36S164E to trough [1] near 34S161E.
Forecast trough [1] 40S163E to low 995hPa near 37S160E to trough [1] near
34S161E at 201200UTC.
Trough [2] near 25S160E 29S167E. Forecast trough [2] near 25S163E 31S169E at
201200UTC.
Cold front near 45S129E 50S131E. Forecast near 45S142E 50S147E at 201200UTC.
Part 3 Forecast
Refer to latest warnings for boundary of affected area and type of weather
system.
North of line 27S153E 27S164E:
Southeasterly quarter winds. Wind speeds 20/30 knots. Rough seas. Low to
moderate swell.
East of line 34S156E 42S158E, outside warning areas:
Southeasterly quarter winds turning clockwise within 360nm of low in southern
semicircle. 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 moderate to heavy west of line 38S129E 50S136E.
Rain areas, scattered showers and isolated thunderstorms mostly within 240nm of
front, troughs and low. Heavy at times within 180nm of troughs 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 20:00 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 1100 UTC 19 January 2026
Part 1 Warnings
Nil.
Part 2 Situation at 190600 UTC
Trough 15S145E to Tropical Low (14U) 993hPa near 17S158E to 25S160E. Forecast
trough 11S152E 20S162E to Tropical Low (14U) 992hPa near 24S163E to 25S163E at
201200UTC.
Part 3 Forecast
South of line EQ142E 03S154E 13S170E:
Northwesterly quarter winds shifting southeasterly south of trough and turning
clockwise within 660nm of low. Wind speeds 15/25 knots, increasing to 20/30
knots within 120nm of line 23S151E 24S162E, within 360nm east of trough, and
within 360nm of low in northeastern semicircle. Moderate to rough seas. Low
swell, increasing to low to moderate east of line 12S149E 25S155E.
Remainder:
Winds not exceeding 20 knots. Slight to moderate seas. Low swell.
Rain areas, scattered showers and isolated thunderstorms throughout most of
area. Heavy at times within 240nm north of trough 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 20:00 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 1100 UTC 19 JANUARY 2026
PART 1 WARNINGS
NIL.
PART 2 SITUATION AT 190600 UTC
TROUGH [1] 11S125E TO TROPICAL LOW (16U) 997HPA NEAR 13S128E TO
TROUGH [1] NEAR
14S129E . FORECAST TROUGH [1] 11S122E TO TROPICAL LOW (16U) 1000HPA
NEAR
12S126E TO TROUGH [2] NEAR 14S127E AT 201200UTC.
TROUGH [2] NEAR 07S095E 11S099E 11S103E. FORECAST TROUGH [2] NEAR
07S098E
12S106E AT 201200UTC.
PART 3 FORECAST
SOUTH OF LINE EQ090E 05S109E 04S132E EQ138E:
NORTHWESTERLY QUARTER WINDS TENDING WESTERLY QUARTER BETWEEN 110E AND
125E,
TURNING CLOCKWISE WITHIN 120NM OF TROPICAL LOW (16U). WIND SPEEDS
15/25 KNOTS,
INCREASING TO 20/30 KNOTS WITHIN 180NM NORTH OF TROUGH [2] AND WITHIN
60NM OF
LINE 07S128E 11S142E. MODERATE TO ROUGH SEAS. LOW SWELL, INCREASING
TO LOW TO
MODERATE WEST OF LINE 08S113E 11S124E.
REMAINDER:
WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL,
INCREASING TO
LOW TO MODERATE WEST OF 100E.
RAIN AREAS, SCATTERED SHOWERS AND THUNDERSTORMS THROUGHOUT MOST OF
AREA. HEAVY
AT TIMES WITHIN 180NM OF TROPICAL LOW (16U) IN WESTERN SEMICIRCLE AND
WITHIN
180NM OF 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 19:15 UTC MONDAY.=