Bulletinset for METAREA 10 Edition date (UTC): 2026-09-22 00:45:35 ============================ HIGH SEAS FORECAST SOUTH-EASTERN ============================ FQAU22 AMMC 212100 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 21 September 2026 Part 1 Warnings Nil. Part 2 Situation at 211800 UTC Cold front west of area near 39S123E 44S127E 50S123E. Forecast 45S137E 50S144E at 230000UTC. Trough near 28S154E 35S166E. Forecast 26S153E 32S169E at 220600UTC, then weakening. Part 3 Forecast South of line 41S129E 44S151E 39S164E: Westerly quarter winds, shifting northwesterly quarter east of cold front, shifting southwesterly quarter west of cold front. Wind speeds 25/33 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 line 36S134E 38S147E 34S167E. Rain areas, isolated showers and isolated thunderstorms mainly within 240nm of front/trough and within 60nm of New South Wales coast. 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 09:00 UTC Tuesday. ============================ HIGH SEAS FORECAST WESTERN ============================ FQAU23 AMMC 212100 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 21 September 2026 Part 1 Warnings Refer to latest warnings for boundary of affected area and type of weather system. Melbourne Gale Warning 12. Part 2 Situation at 211800 UTC Cold front [1] 39S123E 44S127E 50S123E. Forecast exiting east of area. Cold front [2] 46S080E 50S082E. Forecast 33S087E 40S102E 50S111E at 230000UTC. Trough 34S120E 39S123E. Forecast deepening 33S123E to low 1016hPa 37S124E 43S129E at 230000UTC. Part 3 Forecast Refer to latest warnings for details of the area affected. South of line 36S080E 36S097E 46S120E 50S121E, outside warning areas: Westerly quarter winds shifting northwesterly quarter east of fronts/trough, southwesterly quarter west of fronts/trough and clockwise within 120nm of low. 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 south of line 35S080E 38S115E 41S129E. Rain areas, scattered showers and isolated thunderstorms mostly within 240nm of features and north of line 15S090E 15S098E. 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 09:00 UTC Tuesday. ============================ HIGH SEAS FORECAST NORTH-EASTERN ============================ FQAU20 AMMC 212100 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 21 September 2026 Part 1 Warnings Nil. Part 2 Situation at 211800 UTC No significant features. Part 3 Forecast North of line EQ154E 12S157E 12S165E 07S170E: Winds not exceeding 20 knots. Slight to moderate seas. Low to moderate swell. Remainder: Southeasterly quarter winds 15/25 knots, reaching up to 30 knots through the Vitiaz Strait. Moderate to rough seas. Low to moderate swell. Isolated showers and thunderstorms throughout area. 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 09:00 UTC Tuesday. ============================ HIGH SEAS FORECAST NORTHERN ============================ FQAU21 AMMC 212015 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 21 SEPTEMBER 2026 PART 1 WARNINGS NIL. PART 2 SITUATION AT 211800 UTC NO SIGNIFICANT FEATURES. PART 3 FORECAST EAST OF LINE 08S138E 11S139E: SOUTHEASTERLY QUARTER WINDS 15/25 KNOTS. MODERATE TO ROUGH SEAS. LOW SWELL. SOUTH OF LINE 10S090E 10S099E: SOUTHEASTERLY QUARTER WINDS 15/25 KNOTS. MODERATE TO ROUGH SEAS. LOW TO MODERATE SWELL. REMAINDER: WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL, INCREASING TO MODERATE SWELL WEST OF LINE 12S119E 09S119E 07S106E 01S100E. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGHOUT THE AREA. 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 08:15 UTC TUESDAY.=