Bulletinset for METAREA 10 Edition date (UTC): 2026-03-23 17:07:14 ============================ TROPICAL CYCLONE WARNING PERTH ============================ WTAU05 APRF 231233 IDW23100 40:2:2:24:15S127E999:11:00 SECURITE OCEAN WIND WARNING FOR METAREA 10 Issued by the Australian Bureau of Meteorology Tropical Cyclone Warning Centre at 1233 UTC 23 MARCH 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 1200 UTC a Tropical Low was centred within 25 nautical miles of latitude fourteen decimal nine south (14.9S) longitude one hundred and twenty seven decimal zero east (127.0E) Recent movement : west southwest at 12 knots Maximum winds : 30 knots Central pressure: 995 hPa AREA AFFECTED Within 70 nautical miles of the centre. FORECAST Maximum winds to 30 knots near the centre increasing to 35 knots by 0000UTC 24 March. Winds above 34 knots within 70 nautical miles in northern quadrants by 0000UTC 24 March with rough seas and moderate swell. Forecast positions At 0000 UTC 24 March: Within 45 nautical miles of 15.7 south 124.6 east over land Central pressure 994 hPa. Winds to 35 knots near centre over water. At 1200 UTC 24 March: Within 50 nautical miles of 16.4 south 122.5 east over water Central pressure 991 hPa. Winds to 40 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 1900 UTC 23 March 2026. AUSTRALIAN BUREAU OF METEOROLOGY TROPICAL CYCLONE WARNING CENTRE ============================ HIGH SEAS FORECAST WESTERN ============================ FQAU23 AMMC 230822 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 23 March 2026 Part 1 Warnings Refer to latest warnings for boundary of affected area and type of weather system. Gale Wind Warning issued by TCWC Melbourne for Ex-Tropical Cyclone "Narelle". Melbourne Gale Warning 12. Part 2 Situation at 230600 UTC Ex-Tropical Cyclone "Narelle" 993hPa near 14.40S128.40E. Forecast TC "Narelle" 989hPa near 17.0S120.2E at 241200UTC. Cold front 43S090E 46S099E 50S105E. Forecast 39S118E 41S124E 46S129E at 241200UTC. Trough 34S126E 37S129E. Forecast 36S129E 40S134E 41S143E at 231200UTC and east of area thereafter. Part 3 Forecast Refer to latest warnings for details of the area affected: Within 240nm of Ex-TC Narelle, outside of warning area: Clockwise winds 20/33 knots. Rough to very rough seas. Low to moderate swell. East of line 20S113E 28S106E 34S111E: Southeasterly quarter winds. Wind speeds 20/33 knots. Rough to very rough seas. Low to moderate swell. South of line 50S086E 40S102E 39S121E 43S129E, outside warning areas: Southwesterly quarter winds shifting northwesterly quarter east of cold front. Wind speeds 20/33 knots within 900nm east of cold front and 780nm west of cold front. 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 line 42S085E 41S100E. Rain areas, scattered showers and isolated thunderstorms mostly within 360nm cold front and of Ex-TC "Narelle" and north of line 17S090E 15S110E. Heavy at times within 120nm of Ex-TC "Narelle". 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. ============================ HIGH SEAS FORECAST NORTHERN ============================ FQAU21 AMMC 230822 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 23 MARCH 2026 PART 1 WARNINGS GALE WIND WARNING ISSUED BY TCWC MELBOURNE FOR EX-TROPICAL CYCLONE "NARELLE". REFER TO LATEST WARNINGS FOR BOUNDARY OF AFFECTED AREA AND TYPE OF WEATHER SYSTEM. PART 2 SITUATION AT 230600 UTC EX-TROPICAL CYCLONE "NARELLE" 993HPA NEAR 14.40S128.40E. FORECAST TC "NARELLE" 989HPA NEAR 17.0S120.2E AT 241200UTC. TROUGH 09S102E 12S108E. FORECAST SLOW MOVING. PART 3 FORECAST REFER TO LATEST WARNINGS FOR DETAILS OF THE AREA AFFECTED. SOUTH OF LINE 05S119E 08S133E: NORTHWESTERLY QUARTER WINDS TURNING CLOCKWISE WITHIN 300NM OF EX-TC "NARELLE". WIND SPEEDS 20/33 KNOTS. ROUGH TO VERY 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 10S099E 11S114E. RAIN AREAS, SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGHOUT AREA. HEAVY AT TIMES WITHIN 180NM OF EX-TC "NARELLE". 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.= ============================ HIGH SEAS FORECAST SOUTH-EASTERN ============================ FQAU22 AMMC 230800 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 23 March 2026 Part 1 Warnings Refer to latest warnings for boundary of affected area and type of weather system. Melbourne Gale Warning 2. Melbourne Gale Warning 12. Part 2 Situation at 230600 UTC Cold front [1] forecast to enter area near 46S125E 50S128E at 240600UTC, 46S129E 50S130E at 241200UTC. Trough [1] 37S129E 41S133E 41S140E. Forecast 38S145E 44S149E 45S157E at 241200UTC. Cold front [2] 41S150E 49S160E. Forecast 46S161E 50S171E at 231800UTC. Forecast Low 989hPa to enter area near 24S162E to trough [2] north of area at 240000UTC. Low 986hPa near 28S162E to trough [2] 25S162E at 241200UTC. Part 3 Forecast Refer to latest warnings for details of the area affected: North of line 29S153E 35S160E 35S170E, outside of warning areas: Clockwise winds 20/33 knots within 360nm of low. Rough to very rough seas. Low to moderate swell rising to moderate to heavy within 180nm of low. Within 60nm of line 39S130E 43S145E: Southeasterly quarter winds 20/30 knots within 60nm south of trough [1]. Winds easing below 25 knots by 240600UTC. Rough seas. Moderate swell. West of line 43S129E 50S140E, outside of warning area: Northwesterly quarter winds within 420nm of front. 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 43S141E 50S158E. Rain areas, scattered showers and isolated thunderstorms mostly within 120nm of cold front, within 560nm of low, and within 180nm trough [1]. Heavy at times 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 20:00 UTC Monday. ============================ HIGH SEAS FORECAST NORTH-EASTERN ============================ FQAU20 AMMC 230800 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 23 March 2026 Part 1 Warnings Refer to latest warnings for boundary of affected area and type of weather system. Melbourne Gale Warning 2. Part 2 Situation at 230600 UTC Trough 07S155E to low 995hPa near 18S163E. Forecast low 989hPa near 24S162E at 240000UTC and south of area thereafter, Trough 16S158E 25S162E at 241200UTC. Part 3 Forecast Refer to latest warnings for boundary of affected area and type of weather system. South of line 18S146E 18S159E 13S170E, outside warning areas: Clockwise winds within 420nm of low, shifting northeasterly quarter east of trough. Wind speeds 20/33 knots. Rough to very rough seas. Low to moderate swell, increasing to moderate to heavy within 120nm of low by 231800UTC. Remainder: Winds not exceeding 20 knots. Slight to moderate seas. Low swell, increasing to low to moderate south of 16S151E 16S159E 09S166E. Rain areas, scattered showers, and isolated thunderstorms throughout whole area. Heavy at times within 240nm of low and 180nm east 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 20:00 UTC Monday.