Bulletinset for METAREA 10 Edition date (UTC): 2026-08-04 12:36:19 ============================ HIGH SEAS FORECAST SOUTH-EASTERN ============================ FQAU22 AMMC 040900 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 4 August 2026 Part 1 Warnings Refer to latest warnings for boundary of affected area and type of weather system. Melbourne Gale Warning 9. Melbourne Gale Warning 10. Part 2 Situation at 040600 UTC Trough 33S158E 41S158E 47S149E to low 1015hPa near 43S146E, forecast 30S159E 40S162E 45S153E to low 1014hPa near 42S154E at 051200UTC. Cold front 36S125E 50S125E, forecast 36S136E 50S139E at 051200UTC. Part 3 Forecast Refer to latest warnings for details of the area affected. Within area bounded by 34S162E 46S149E 48S153E 45S160E 38S164E 34S162E: Northeasterly quarter winds 20/30 knots south of trough. Moderate to rough seas. Low to moderate swell. South of line 39S129E 44S138E 50S142E, outside warning areas: Northerly quarter winds north of cold front shifting westerly quarter west of cold front. 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. Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of cold front and trough, and within 400nm 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 21:00 UTC Tuesday. ============================ HIGH SEAS FORECAST WESTERN ============================ FQAU23 AMMC 040900 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 4 August 2026 Part 1 Warnings Refer to latest warnings for boundary of affected area and type of weather system. Melbourne Gale Warning 1 Cancellation. Melbourne Gale Warning 4. Melbourne Gale Warning 9. Melbourne Gale Warning 10. Melbourne Gale Warning 11. Part 2 Situation at 040600 UTC Cold front [1] 36S125E 50S125E, forecast 35S128E 50S129E at 041500UTC then east of area. Cold front [2] 36S109E 50S120E, forecast 38S122E 50S128E to developing low [1] 979hPa near 50S122E at 042100UTC then south and east of area. Cold front [3] 43S068E 50S083E to low [2] 974hPa near 52S080E, forecast 34S098E 54S120E to low [2] 965hPa near 52S109E at 051200UTC. Trough [1] 12S096E 18S104E, forecast 12S091E 20S102E at 051200UTC. Trough [2] 49S063E 52S080E, forecast 37S095E 46S105E at 051200UTC. Trough [3] 20S111E 24S115E, forecast slow moving, decaying by 041800UTC. Part 3 Forecast Refer to latest warnings for details of the area affected. South of line 33S080E 33S105E 39S129E, outside warning areas: Northwesterly quarter winds east of cold fronts shifting westerly quarter west of cold fronts [1] and [2] and shifting southwesterly quarter southwest of cold front [3]. Winds tending clockwise within 240nm of lows. Wind speeds 25/33 knots. Rough to very rough seas. Moderate to heavy swell. West of line 13S090E 22S104E: Southeasterly quarter winds 20/30 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 and west of line 21S090E 26S113E 37S129E. Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of fronts and 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 Tuesday. ============================ HIGH SEAS FORECAST NORTH-EASTERN ============================ FQAU20 AMMC 040900 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 4 August 2026 Part 1 Warnings Nil. Part 2 Situation at 040600 UTC Trough EQ156E 11S161E 10S170E, forecast EQ155E 08S161E 13S170E at 051200UTC. Part 3 Forecast South of line 04S142E 04S150E 09S158E 11S170E and north of line 15S142E 25S170E: Southeasterly quarter winds 15/25 knots, increasing to 20/30 knots east of 157E and through the Vitiaz Strait. Moderate to rough seas. Low to moderate swell. Remainder: Winds not exceeding 20 knots. Slight to moderate seas. Low to moderate swell. Scattered showers and isolated thunderstorms throughout most of area. Heavy at times within 180nm south 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 21:00 UTC Tuesday. ============================ HIGH SEAS FORECAST NORTHERN ============================ FQAU21 AMMC 040815 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 4 AUGUST 2026 PART 1 WARNINGS NIL. PART 2 SITUATION AT 040600 UTC TROUGH EQ094E TO LOW 1010HPA NEAR 04S094E TO 12S096E, FORECAST EQ099E TO LOW 1008HPA NEAR 05S095E TO 12S091E AT 051200UTC. PART 3 FORECAST NORTH OF LINE 10S118E 13S142E: SOUTHEASTERLY 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 WEST OF LINE EQ098E 07S106E 09S116E 12S116E. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS MOSTLY WITHIN 180NM OF TROUGH AND 420NM OF LOW, TENDING TO ISOLATED SHOWERS ELSEWHERE. 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 20:15 UTC TUESDAY.=