Bulletinset for METAREA 10 Edition date (UTC): 2026-08-19 16:25:29 ============================ HIGH SEAS FORECAST SOUTH-EASTERN ============================ FQAU22 AMMC 190900 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 19 August 2026 Part 1 Warnings Melbourne Gale Warning 12. Part 2 Situation at 190600 UTC Trough [1] 36S142E 40S143E 42S142E 43S137E. Forecast near 38S153E 45S158E 50S157E at 201200UTC. Forecast cold front [1] entering area from west near 35S128E 38S130E to low 1007hPa near 42S129E at 191200UTC, and weakening near 36S140E 40S142E to weakening low 1015hPa near 41S140E at 200600UTC. Forecast cold front [2] entering area from west near 46S128E 50S129E at 191200UTC, and weakening near 46S134E 50S135E at 200000UTC. Forecast cold front [3] entering area from west near 46S129E 50S130E at 200000UTC, and near 42S135E 47S141E 50S142E at 201200UTC. Part 3 Forecast Refer to latest warnings for details of the area affected. West of line 34S152E 44S161E, outside of warning areas: Westerly quarter winds turning northerly quarter east of trough, turning northwesterly quarter within 180nm east of cold front [1] and [2], and within 300nm east of cold front [3], and turning clockwise within 120nm of low. Wind speeds 20/33 knots. Moderate to rough seas. Moderate swell, rising to heavy swell west of line 36S138E 50S138E. Remainder: Winds not exceeding 25 knots. Slight to moderate seas. Low to moderate swell. Isolated showers, tending scattered within 120nm of the New South Wales coast and within 240nm of fronts, trough and 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 Wednesday. ============================ HIGH SEAS FORECAST WESTERN ============================ FQAU23 AMMC 190900 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 19 August 2026 Part 1 Warnings Refer to latest warnings for boundary of affected area and type of weather system. Melbourne Gale Warning 1. Melbourne Gale Warning 12. Part 2 Situation at 190600 UTC Cold front [1] 35S124E 39S127E to low [1] 1002hPa near 42S125E, moving east of area near 35S128E 38S130E to low [1] 1007hPa 42S129E at 191200UTC. Cold front [2] 45S125E 50S126E. Forecast near 46S128E 50S129E at 191200UTC, and moving east of area. Cold front [3] 42S104E 47S114E 50S115E. Forecast near 42S126E 45S129E at 200300UTC, and moving east of the area. Forecast cold front [4] entering area from west near 41S080E 46S083E 49S080E at 200300UTC, and near 35S080E 40S086E 47S090E 50S088E at 201200UTC. Warm front near 41S083E 44S080E. Forecast near 45S087E 47S083E to developing low [2] 986hPa near 47S080E at 191200UTC, and near 46S114E 49S107E to low [2] 998hPa near 49S104E at 201200UTC. Trough [1] 12S095E 21S102E 23S107E. Forecast near 12S094E 16S100E 17S108E at 201200UTC. Forecast trough [2] entering from west near 47S083E 42S080E at 201200UTC. Part 3 Forecast Refer to latest warnings for details of the area affected. South of line 34S080E 39S098E 36S129E, outside warning areas: Westerly quarter winds shifting northerly quarter winds within 240nm east of cold front [1] and [2], shifting northwesterly quarter within 420nm east of cold front [3] and [4], and north of warm front, shifting southwesterly quarter west of trough [2]. Winds turning clockwise within 90nm of lows. Wind speeds 20/33 knots. Rough to very rough seas. Moderate to heavy swell. Within 180nm south of trough [1]: Southeasterly quarter winds 20/30 knots. Rough seas. Moderate swell. Remainder: Winds not exceeding 25 knots. Slight to moderate seas. Low swell, increasing to moderate to heavy west of line 12S125E 22S115E. Rain areas, scattered showers and isolated thunderstorms mostly within 240nm of fronts, troughs and lows. Heavy at times within 120nm of trough [1]. 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 Wednesday. ============================ HIGH SEAS FORECAST NORTH-EASTERN ============================ FQAU20 AMMC 190900 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 19 August 2026 Part 1 Warnings Nil. Part 2 Situation at 190600 UTC Trough EQ163E to low 1007hPa near 05S165E to 09S170E. Forecast trough EQ162E to low 1010hPa near 07S163E to 13S170E at 201200UTC. Part 3 Forecast East of line EQ160E 07S164E 11S170E: Winds not exceeding 20 knots. Slight to moderate seas. Low to moderate swell. Remainder: Southeasterly quarter winds tending southerly quarter north of 10S, and turning clockwise within 180nm of low. Wind speeds 15/25 knots, increasing to 20/30 knots east of line 05S160E 16S157E 22S170E, and within 60nm of line 03S155E 06S147E. Moderate to rough seas. Low to moderate swell, decreasing to low north of line 10S144E EQ156E. Rain areas, scattered showers and isolated thunderstorms mostly within 240nm of trough and low, becoming heavy within 120nm of low in the southwestern quadrant. 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 21:00 UTC Wednesday. ============================ HIGH SEAS FORECAST NORTHERN ============================ FQAU21 AMMC 190815 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 19 AUGUST 2026 PART 1 WARNINGS NIL. PART 2 SITUATION AT 190600 UTC NIL SIGNIFICANT FEATURES. PART 3 FORECAST EAST OF LINE 03S110E 12S114E: SOUTHEASTERLY QUARTER WINDS 15/25 KNOTS. MODERATE TO ROUGH SEAS. LOW SWELL, INCREASING TO MODERATE SWELL SOUTH OF LINE 08S112E 09S123E. REMAINDER: WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL, INCREASING TO MODERATE SWELL SOUTH OF LINE EQ099E 07S106E 08S112E. RAIN AREAS, SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS, MOSTLY WITHIN 120NM OF LINE EQ095E 07S107E. 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 WEDNESDAY.=