Bulletinset for METAREA 10 Edition date (UTC): 2026-01-07 22:15:56 ============================ TROPICAL CYCLONE WARNING PERTH ============================ WTAU05 APRF 071823 IDW23100 40:2:2:24:18S091E999:11:00 SECURITE OCEAN WIND WARNING FOR METAREA 10 Issued by the Australian Bureau of Meteorology Tropical Cyclone Warning Centre at 1823 UTC 7 JANUARY 2026 GALE WARNING Please be aware, wind gusts can be a further 40 percent stronger than the averages given here, and maximum waves may be up to twice the height. SITUATION At 1800 UTC Tropical Cyclone Jenna was centred within 30 nautical miles of latitude eighteen decimal three south (18.3S) longitude ninety one decimal two east (91.2E) Recent movement : west at 6 knots Maximum winds : 40 knots Central pressure: 997 hPa AREA AFFECTED Within 50 nautical miles in NE quadrant and within 140 nautical miles in SE quadrant and within 140 nautical miles in SW quadrant and within 60 nautical miles in NW quadrant. FORECAST Maximum winds to 40 knots near the centre easing to 35 knots by 0600 UTC 08 January. Winds above 34 knots within 50 nautical miles in NE quadrant and within 140 nautical miles in SE quadrant and within 140 nautical miles in SW quadrant and within 60 nautical miles in NW quadrant, contracting to within 140 nautical miles in southern quadrants by 0000 UTC 08 January, with rough seas and moderate swell. Forecast positions At 0600 UTC 08 January: Within 50 nautical miles of 18.1 south 89.9 east Central pressure 997 hPa. Winds to 35 knots near centre. At 1800 UTC 08 January: Within 65 nautical miles of 17.8 south 88.0 east Central pressure 999 hPa. Winds to 35 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 08 January 2026. AUSTRALIAN BUREAU OF METEOROLOGY TROPICAL CYCLONE WARNING CENTRE ============================ HIGH SEAS FORECAST SOUTH-EASTERN ============================ FQAU22 AMMC 072032 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 7 January 2026 Part 1 Warnings Nil. Part 2 Situation at 071800 UTC Trough near 40S145E 47S158E, forecast 40S155E 46S165E at 081200UTC and weakening thereafter. Forecast low 991hPa west of area near 44S126E at 081800UTC, then low 986hPa near 44S130E at 090000UTC. Part 3 Forecast South of line 47S129E 46S150E 49S160E: Westerly quarter winds 20/30 knots. Rough seas. Moderate to heavy swell. West of line 34S129E 38S134E 47S134E, outside warning area: Clockwise quarter winds developing within 240nm of east semicircle of low by 081800UTC. Wind speeds 25/33 knots. Rough to very rough seas. Moderate swell. Within 120nm of line 36S150E 39S158E: Northerly 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 180nm of trough 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 Thursday. ============================ HIGH SEAS FORECAST WESTERN ============================ FQAU23 AMMC 072000 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 7 January 2026 Part 1 Warnings Refer to latest warnings for details of the area affected. Gale Wind Warning issued by TCWC Melbourne for Tropical Cyclone 'Jenna'. Melbourne Gale Warning 4. Part 2 Situation at 071800 UTC Tropical Cyclone 'Jenna' 994hPa near 18.3S91.2E, forecast Tropical Cyclone 'Jenna' 997hPa near 18.1S90.0E at 080000UTC, then moving west out of area. Trough 37S108E 42S112E to low 998hPa near 44S112E. Forecast to become cold front 35S121E 40S124E to low 997hPa near 44S122E at 081200UTC, then near 33S127E 38S130E to low 986hPa near 44S130E at 090000UTC. Part 3 Forecast Refer to latest warnings for details of the area affected. West of line 18S096E 21S097E 24S092E, outside warning area: Southeasterly quarter winds turning clockwise within 90nm of Tropical Cyclone "Jenna". Wind speeds 20/33 knots. Rough to very rough seas. Moderate to heavy swell. East of line 22S109E 28S109E 34S115E: Southeasterly quarter winds 20/30 knots. Rough seas. Low to moderate swell. South of line 43S097E 38S102E 34S121E 43S129E: Westerly quarter winds, shifting southwesterly quarter west and south of trough and southwest of low, and turning clockwise within 180nm of low. Clockwise winds extending to within 300nm of low by 080000UTC. Wind speeds 20/30 knots. Rough seas. Low to moderate swell. West of line 40S080E 50S100E: Northwesterly winds below 25 knots increasing to 20/33 knots from 080000UTC. 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 420nm of Tropical Cyclone 'Jenna', within 180nm of trough, and within 240nm of low. Heavy at times within 300nm of Tropical Cyclone 'Jenna' in southeastern quadrant, and within 60nm 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 Thursday. ============================ HIGH SEAS FORECAST NORTH-EASTERN ============================ FQAU20 AMMC 072000 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 7 January 2026 Part 1 Warnings Nil. Part 2 Situation at 071800 UTC Trough [1] 14S144E to low 1001hPa near 16S151E to monsoon trough 16S151E, forecast becoming monsoon trough 14S143E to low 1002hPa near 15S148E to 13S155E at 081200UTC and then monsoon trough 12S143E to low 1000hPa near 14S146E to 16S153E. Monsoonal flow north of line 13S142E 14S153E. Part 3 Forecast South of line 14S144E 16S165E 21S170E: Southeasterly quarter winds. Wind speeds 15/25 knots, increasing to 20/33 knots within 420nm of low in southern semicircle. Moderate to rough seas. Low swell, increasing to low to moderate swell within 90nm of line 17S152E 13S145E. West of line 14S155E 03S148E 03S142E: Northwesterly quarter winds 15/25 knots, reaching up to 33 knots within 90nm of line 14S151E 11S148E 10S142E. 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 throughout most of the area. Heavy at times within 300nm of low, within 120nm of line 04S170E 03S162E and in monsoonal flow south of Papua New Guinea. 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 Thursday. ============================ HIGH SEAS FORECAST NORTHERN ============================ FQAU21 AMMC 071915 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 7 JANUARY 2026 PART 1 WARNINGS NIL. PART 2 SITUATION AT 071800 UTC LOW 1004HPA NEAR 12S138E, FORECAST 1006HPA NEAR 13S140E AT 080000UTC, THEN WEAKENING. MONSOONAL FLOW NORTH OF LINE 18S142E 06S104E. PART 3 FORECAST EAST OF LINE 04S132E 07S126E 12S132E: NORTHWESTERLY QUARTER WINDS 15/25 KNOTS, WINDS REACHING UP TO 30 KNOTS EAST OF LINE 07S133E 10S133E. 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 LINES 12S105E 08S108E 08S119E, 03S090E 12S095E. RAIN AREAS, SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGHOUT WHOLE AREA. HEAVY AT TIMES WITHIN 90NM OF LINE 10S142E 11S135E. 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 THURSDAY.=