Bulletinset for METAREA 10 Edition date (UTC): 2026-01-10 19:42:18 ============================ TROPICAL CYCLONE GALE WARNING BRISBANE ============================ WTAU01 ABRF 101900 IDQ20008 SECURITE OCEAN WIND WARNING FOR METAREA 10 Issued by the Australian Bureau of Meteorology Tropical Cyclone Warning Centre at 1900 UTC 10 JANUARY 2026 GALE WARNING FOR NORTH EASTERN AREA SITUATION At 1800 UTC Tropical Cyclone Koji was centred within 30 nautical miles of latitude nineteen decimal zero south (19.0S) longitude one hundred and forty seven decimal nine east (147.9E) Recent movement : south at 10 knots Maximum winds : 45 knots Central pressure: 986 hPa The tropical cyclone is expected to cross the coast within the next six hours and weaken. AREA AFFECTED Within 80 nautical miles in NE quadrant and within 120 nautical miles in SE quadrant and within 20 nautical miles in SW quadrant FORECAST Maximum winds to 45 knots near the centre easing to 30 knots by 0600 UTC 11 January. Winds above 34 knots within 80 nautical miles in NE quadrant until 0000 UTC 11 January and within 120 nautical miles in SE quadrant until 0000 UTC 11 January and within 20 nautical miles in SW quadrant until 2100 UTC 10 January with rough seas and moderate swell. Forecast positions At 0600 UTC 11 January: Within 50 nautical miles of 20.3 south 147.0 east over land Central pressure 992 hPa. Winds to 30 knots near centre. At 1800 UTC 11 January: Within 65 nautical miles of 20.7 south 145.7 east over land Central pressure 996 hPa. Winds to 25 knots near centre. REMARKS All ships in the area please send weather reports every three hours. Regular weather observing ships use normal channels. Other ships please use email to tcwc@bom.gov.au. Next warning will be issued by 0100 UTC 11 January 2026. AUSTRALIAN BUREAU OF METEOROLOGY TROPICAL CYCLONE WARNING CENTRE ============================ HIGH SEAS FORECAST NORTHERN ============================ FQAU21 AMMC 101915 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 10 JANUARY 2026 PART 1 WARNINGS NIL. PART 2 SITUATION AT 101800 UTC MONSOON TROUGH 11S140E 13S144E. FORECAST MONSOON TROUGH 16S139E 17S141E AT 102100UTC, AND THEN TROUGH FORECAST TO MOVE OVER LAND. TROUGH [2] NEAR 12S094E 11S098E 12S114E. FORECAST SLOW MOVING. PART 3 FORECAST REFER TO LATEST WARNINGS FOR BOUNDARY OF AFFECTED AREA AND TYPE OF WEATHER SYSTEM. SOUTH OF LINE 03S142E 07S125E, OUTSIDE WARNING AREAS: NORTHWESTERLY QUARTER WINDS, SHIFTING SOUTHERLY QUARTER SOUTH OF MONSOON TROUGH. WIND SPEEDS 15/25 KNOTS, INCREASING TO 20/33 KNOTS WITHIN 300NM NORTH OF MONSOON TROUGH AND NOT EXCEEDING 20 KNOTS SOUTH OF MONSOON TROUGH. MODERATE TO ROUGH SEAS, RISING TO VERY ROUGH NORTH OF MONSOON TROUGH. LOW SWELL. WITHIN 180NM OF LINE 04S107E 08S124E: WESTERLY QUARTER WINDS 15/25 KNOTS. MODERATE TO ROUGH SEAS. LOW SWELL REMAINDER: WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL, INCREASING TO LOW TO MODERATE SWELL SOUTH OF LINE 08S106E 09S116E. RAIN AREAS, SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS MOSTLY WITHIN 240NM OF TROUGHS, AND SOUTH OF LINE 09S142E EQ117E EQ105E. HEAVY AT TIMES WITHIN 180NM OF MONSOON 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 07:15 UTC SUNDAY.= ============================ HIGH SEAS FORECAST NORTH-EASTERN ============================ FQAU20 AMMC 101142 IDY10230 SECURITE 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 1100 UTC 10 January 2026 Part 1 Warnings Refer to latest warnings for details of the area affected. Storm Force Wind Warning issued by TCWC Melbourne for Tropical Cyclone "Koji". Part 2 Situation at 100600 UTC Monsoon trough 16S145E to Tropical Cyclone "Koji" 989hPa near 17.1S148.1E to 17S151E. Tropical Cyclone "Koji" forecast to move over land near 19.8S147.3E by 102000UTC. Just monsoon trough near 18S153E 20S147E at 111200UTC. Trough [2] 10S160E 15S163E 16S166E. Forecast 13S159E 16S161E 18S167E at 111200UTC. Tropical Low (14U) 1006hPa forecast to develop near 14S161E by 110000UTC, then Tropical Low (14U) 1006hPa near 16S161E at 111200UTC. Part 3 Forecast Refer to latest warnings for boundary of affected area and type of weather system. West of line 07S148E 24S157E, outside warning areas: Northwesterly quarter winds, shifting easterly quarter south of monsoon trough and turning clockwise within 180nm of Tropical Cyclone "Koji". Wind speeds 20/33 knots. Rough to very rough seas. Low swell to moderate swell. Within 180nm of line 20S160E 16S166E 07S165E: Easterly quarter winds shifting northerly quarter east of trough [2], and turning clockwise within 60nm of Tropical Low (14U). Wind speeds 20/30 knots. Rough seas. Low to moderate swell. South of line 22S170E 22S158E: Easterly quarter winds 20/30 knots. Rough seas. Low to moderate swell. Remainder: Winds not exceeding 20 knots. Slight to moderate seas. Low swell, increasing to low to moderate south of line 06S170E 11S153E. Rain areas, scattered showers and isolated thunderstorms mostly within 240nm of Tropical Cyclone "Koji" and Tropical Low (14U), within 360nm of monsoon trough, east of trough [2], and north of line 07S142E 12S160E. Heavy at times within 240nm of Tropical Cyclone "Koji" and Tropical Low (14U). Squalls possible west of line 09S144E 11S144E. 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 Saturday. ============================ HIGH SEAS FORECAST SOUTH-EASTERN ============================ FQAU22 AMMC 100800 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 10 January 2026 Part 1 Warnings Refer to latest warnings for details of the area affected. Melbourne Storm Force Wind Warning 4. Part 2 Situation at 100600 UTC Cold front 38S148E to low 973hPa near 49S155E. Forecast to move east of area 44S159E to low 968hPa near 50S161E at 101500UTC. Trough near 35S151E 41S158E 45S161E. Forecast near 30S153E 36S166E at 111200UTC Part 3 Forecast Refer to latest warnings for boundary of affected area and type of weather system. South of line 48S129E 43S145E 29S154E 37S165E, outside warning areas: Westerly quarter winds, shifting northwesterly east of trough and within 120nm east of cold front. Winds turning clockwise within 120nm of low. Wind speeds 20/33 knots. Rough to very rough seas. Low to moderate swell, increasing to moderate to heavy south of line 42S153E 42S162E. Remainder: Winds not exceeding 25 knots. Moderate to rough seas. Low to moderate swell, increasing to moderate to heavy within 120nm of line 35S133E 41S145E. Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of trough and 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 20:00 UTC Saturday. ============================ HIGH SEAS FORECAST WESTERN ============================ FQAU23 AMMC 100800 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 10 January 2026 Part 1 Warnings Nil. Part 2 Situation at 100600 UTC Cold front near 37S086E 49S107E. Forecast 40S108E 49S125E at 111200UTC. Trough near 12S093E 14S089E. Forecast slow moving. Part 3 Forecast East of line 27S109E 35S110E: Southeasterly quarter winds. Wind speeds 20/30 knots. Rough seas. Low to moderate swell. South of line 47S080E 49S092E: Northwesterly quarter winds 20/30 knots developing from 101800UTC. Rough seas. Moderate to 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 east of line 33S124E 42S126E and south of line 48S087E 48S098E. Rain areas, scattered showers and isolated thunderstorms mostly within 120nm of front, within 360nm of trough, and east of line 12S110E 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 Saturday.