Bulletinset for METAREA 10 Edition date (UTC): 2026-07-26 11:37:31 ============================ HIGH SEAS FORECAST WESTERN ============================ FQAU23 AMMC 260926 IDY10220 SECURITE Updated 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 26 July 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 5. Melbourne Gale Warning 6. Melbourne Gale Warning 12. Part 2 Situation at 260600 UTC Low [1] 999hPa near 38S120E. Forecast low [1] 1005hPa east of area near 39S132E at 270300UTC. Trough [1] 39S117E 47S129E. Forecast trough [1] 36S126E 40S129E at 270000UTC and exiting to the east thereafter. Low [2] 1011hPa near 32S084E. Forecast low [2] 1014hPa near 32S087E at 271200UTC. Trough [2] 21S084E 28S087E to low [2] 1011hPa near 32S084E. Forecast trough [2] 22S090E 32S093E 36S088E at 271200UTC. Forecast cold front west of area near 40S067E 52S078E at 261200UTC, and 38S086E 50S096E at 271200UTC. Low [3] 996hPa south of area near 53S095E. Forecast low [3] 983hPa near 48S129E at 271200UTC. Part 3 Forecast Refer to latest warnings for details of the area affected. North of line 17S095E 15S111E: Easterly quarter winds 20/30 knots, decreasing below 25 knots by 270300UTC. Rough seas, decreasing to moderate to rough by 270300UTC. Low to moderate swell. West of line 26S094E 37S094E: Clockwise about low [2]. Wind speeds 20/30 knots, decreasing below 25 knots by 270600UTC. Rough seas, decreasing to moderate to rough seas by 270600UTC. Moderate to heavy swell. South of line 41S080E 45S094E 41S115E 35S115E 32S129E, outside warning areas: Westerly quarter winds shifting southwesterly quarter winds within 300nm west of trough [1], turning northwesterly quarter within 420nm east of cold front. Clockwise winds within 360nm of low [1] and low [3]. Wind speeds 20/33 knots. Rough to very rough seas. Moderate to heavy swell. Remainder: Winds not exceeding 25 knots. Moderate to rough seas. Moderate swell, increasing to moderate to high east of line 29S105E 45S099E. Rain areas, scattered showers and isolated thunderstorms mostly within 120nm of troughs, 180nm of front, 240nm of low [1] and [3], and 360nm of low [2]. 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 Sunday. ============================ HIGH SEAS FORECAST SOUTH-EASTERN ============================ FQAU22 AMMC 260900 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 26 July 2026 Part 1 Warnings Refer to latest warnings for boundary of affected area and type of weather system. Melbourne Storm Force Wind Warning 5. Melbourne Gale Warning 2. Melbourne Gale Warning 6. Melbourne Gale Warning 7. Part 2 Situation at 260600 UTC Cold front [1] 46S129E 50S137E. Forecast cold front [1] 46S144E 50S153E at 270000UTC and weakening thereafter. Forecast cold front [2] entering from the west near 32S126E to low [1] 1003hPa west of area near 37S127E to trough 42S129E 46S137E at 261800UTC. Cold front [2] 34S135E to low 997hPa near 45S138E to trough 45S138E 48S147E at 271200UTC. Forecast low [2] entering from the west near 48S129E at 983hPa near 48S129E at 271200UTC. Part 3 Forecast Refer to latest warnings for details of the area affected. South of line 30S129E 41S151E 48S160E, outside warning areas: Northwesterly quarter winds shifting westerly quarter west of cold front [1], tending northerly quarter east of cold front [2], turning southwesterly quarter west of cold front [2]. Clockwise winds within 120nm of low [1], and within 300nm of low [2]. Wind speeds 20/33 knots. Rough to very rough seas. Moderate to heavy swell. Remainder: Winds not exceeding 25 knots. Moderate to rough seas. Moderate swell increasing to moderate to heavy swell east of line 32S168E 33S164E 35S164E. Rain areas, scattered showers and isolated thunderstorms mostly within 120nm of fronts and trough, and 240nm of lows. 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 Sunday. ============================ HIGH SEAS FORECAST NORTH-EASTERN ============================ FQAU20 AMMC 260900 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 26 July 2026 Part 1 Warnings Nil. Part 2 Situation at 260600 UTC Trough near EQ156E 07S170E. Forecast slow moving. Part 3 Forecast North of trough and south of 22S: Winds not exceeding 20 knots. Slight to moderate seas. Low swell, increasing to low to moderate south of 22S. Remainder: Southeasterly quarter winds 15/25 knots, reaching up to 30 knots at times within the Vitiaz Strait. Moderate to rough seas, very rough with 30kt winds. Low swell, increasing to low to moderate east of line 22S154E 12S150E 06S164E. Scattered showers and isolated thunderstorms throughout most of the area, except northeast 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 21:00 UTC Sunday. ============================ HIGH SEAS FORECAST NORTHERN ============================ FQAU21 AMMC 260815 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 26 JULY 2026 PART 1 WARNINGS NIL. PART 2 SITUATION AT 260600 UTC SOUTHEASTERLY TRADE FLOW. PART 3 FORECAST NORTH OF LINE 06S090E EQ129E: WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL, INCREASING TO MODERATE WEST OF LINE EQ098E 04S103E. REMAINDER: SOUTHEASTERLY QUARTER WINDS. WIND SPEEDS 15/25 KNOTS, INCREASING TO 20/30 KNOTS SOUTH OF LINE 08S100E 09S111E. MODERATE TO ROUGH SEAS. LOW SWELL, INCREASING TO LOW TO MODERATE WEST OF LINE 04S103E 07S107E 08S128E 12S128E. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGHOUT MOST OF 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 20:15 UTC SUNDAY.=