Bulletinset for METAREA 10 Edition date (UTC): 2026-09-28 20:48:59 ============================ HIGH SEAS FORECAST NORTHERN ============================ FQAU21 AMMC 282015 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 28 SEPTEMBER 2026 PART 1 WARNINGS NIL. PART 2 SITUATION AT 281800 UTC NIL SIGNIFICANT FEATURES. PART 3 FORECAST WHOLE AREA: WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL, INCREASING UP TO MODERATE SWELL WEST OF LINE EQ096E 05S103E 09S119E 12S121E. ISOLATED SHOWERS AND THUNDERSTORMS MOSTLY NORTH OF LINE 05S090E 02S109E 06S142E. 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.= ============================ HIGH SEAS FORECAST WESTERN ============================ FQAU23 AMMC 280900 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 28 September 2026 Part 1 Warnings Refer to latest warnings for boundary of affected area and type of weather system. Melbourne Gale Warning 7. Melbourne Gale Warning 8. Part 2 Situation at 280600 UTC Trough [1] near 12S088E 16S096E. Forecast near 12S087E 16S093E at 291200UTC. Trough [2] near 17S112E 21S116E. Forecast near 17S113E 22S117E at 281200UTC and decaying thereafter. Trough [3] near 34S117E to low 1001hPa near 40S118E. Forecast trough [3] near 37S123E to low 992hPa near 49S126E at 290000UTC, low south of area thereafter, trough [3] near 39S130E 44S131E at 290900UTC and then trough east of area thereafter. Cold front near 36S094E 44S106E 50S112E. Forecast near 34S113E 50S128E at 291200UTC. Trough [4] near 44S086E 56S093E. Forecast near 44S086E 56S093E at 291200UTC. Part 3 Forecast Refer to latest warnings for details of the area affected. South of line 44S080E 34S102E 33S115E 38S129E, outside warning areas: Westerly quarter winds west of cold front, shifting southwesterly quarter within 240nm west of trough [3], shifting northwesterly quarter within 300nm east of cold front and within 300nm east of trough [3]. Winds turning clockwise within 240nm of low in the western semicircle until 281200UTC. 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 up to heavy swell south of line 39S080E 36S084E 37S095E. Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of front, within 180nm of low and within 120nm of troughs. 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 21:00 UTC Monday. ============================ HIGH SEAS FORECAST SOUTH-EASTERN ============================ FQAU22 AMMC 280900 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 28 September 2026 Part 1 Warnings Refer to latest warnings for boundary of affected area and type of weather system. Melbourne Gale Warning 5. Part 2 Situation at 280600 UTC High 1039hPa near 43S142E. Forecast high 1039hPa near 43S142E at 290000UTC and then weakening thereafter. Forecast developing trough [1] near 38S136E 43S139E 46S136E at 290000UTC and then near 41S139E 46S136E at 291200UTC Forecast trough [2] entering area from the west near 38S126E 43S128E at 290300UTC and then near 41S139E 46S136E at 291200UTC. Part 3 Forecast Refer to latest warnings for details of the area affected. South of line 50S142E 35S170E, outside warning areas: Southwesterly quarter winds 20/33 knots. Rough to very rough seas. Moderate to heavy swell. South of line 38S129E 42S149E 45S152E: Northeasterly quarter winds 20/30 knots. Rough seas. Moderate swell. Remainder: Winds not exceeding 25 knots. Moderate to rough seas. Moderate swell increasing up to heavy south of line 46S146E 35S166E. Rain areas, isolated showers and isolated thunderstorms mainly within 180nm of troughs. 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 21:00 UTC Monday. ============================ HIGH SEAS FORECAST NORTH-EASTERN ============================ FQAU20 AMMC 280900 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 28 September 2026 Part 1 Warnings Nil. Part 2 Situation at 280600 UTC Trough near 01S154E to low [1] 1011hPa near 04S157E to trough near 04S165E to low [2] 1011hPa near 06S170E. Low [1] 1011hPa near EQ157E to trough near 06S163E to low [2] 1011hPa near 07S170E at 291200UTC. Part 3 Forecast South of line 11S142E 07S152E 10S170E: 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 low to moderate swell south of line 05S165E 02S170E. Isolated showers and thunderstorms throughout area, heavy at times within 120nm of line 14S159E 09S170E. 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 21:00 UTC Monday.