Bulletinset for METAREA 10 Edition date (UTC): 2026-07-20 10:50:18 ============================ HIGH SEAS FORECAST SOUTH-EASTERN ============================ FQAU22 AMMC 200900 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 20 July 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 2. Melbourne Gale Warning 10. Part 2 Situation at 200600 UTC Trough near 33S130E 43S144E. Forecast 33S134E 44S147E at 211200UTC. Cold front [1] forecast to enter area near 45S129E 50S134E at 201200UTC. Forecast 34S129E 41S138E 50S143E at 211200UTC. Forecast cold front [2] entering area near 46S129E 50S132E at 210600UTC, then near 45S136E 47S137E 50S137E at 211200UTC. Part 3 Forecast Refer to latest warnings for details of the area affected. North of line 27S153E 31S169E: Southeasterly quarter winds 20/33 knots. Rough to very rough seas. Moderate swell. South of line 39S129E 42S145E 46S148E 48S160E, outside warning areas: Northwesterly quarter winds shifting westerly quarter within 60nm west of trough, within 240nm west of cold front [2] and west of cold front [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. Low to moderate swell. Rain areas, scattered showers and isolated thunderstorms mostly within 240nm of trough and fronts, and north of 30S. 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 200900 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 20 July 2026 Part 1 Warnings Nil. Part 2 Situation at 200600 UTC Trough [1] near EQ161E to low 1007hPa near 06S163E to trough near 21S170E. Forecast trough [1] near EQ161E to low 1009hPa near 10S166E to trough [1] near 15S171E at 211200UTC. Trough [2] near 18S158E 20S153E. Forecast 13S155E 15S149E at 211200UTC. Part 3 Forecast North of line 08S145E 13S162E 11S170E: Southerly quarter winds shifting northwesterly quarter east of trough [1] and turning clockwise within 300nm of low. Wind speeds 15/25 knots. Moderate to rough seas. Low to moderate swell. South of line 12S144E 17S150E 14S170E: Southeasterly quarter winds shifting easterly quarter east of trough [2], and northeasterly quarter east of trough [1]. Wind speeds 15/25 knots, increasing to up to 30 knots west of line 17S149E 25S163E to Queensland coast and within 60nm of line 19S167E 24S170E. Moderate to rough seas. Low to moderate swell. Remainder: Winds not exceeding 20 knots. Slight to moderate seas. Low to moderate swell. Rain areas, scattered showers and isolated thunderstorms mostly within 360nm of troughs, within 480nm of low, north of 03S, and within 300nm of Queensland coast. Heavy at times within 180nm of low and within 180nm 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 Monday. ============================ HIGH SEAS FORECAST WESTERN ============================ FQAU23 AMMC 200900 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 20 July 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 2. Melbourne Gale Warning 10. Part 2 Situation at 200600 UTC Cold front [1] near 47S114E 50S114E. Forecast 47S128E 50S129E at 210300UTC, then east of area thereafter. Cold front [2] 35S112E 47S126E 50S127E. Forecast 32S127E 34S129E at 211200UTC. Warm front near 43S091E 45S086E 45S080E. Forecast warm front near 44S102E 48S085E 48S080E at 211200UTC. Forecast cold front [3] entering area from the west near 35S079E 42S084E to low 992hPa entering area near 48S080E at 211200UTC. Part 3 Forecast Refer to latest warnings for details of the area affected. North of line 24S090E 25S112E: Southeasterly quarter winds 20/30 knots. Rough seas. Low to moderate swell. South of line 31S080E 41S098E 38S113E 39S129E, outside warning areas: Northwesterly quarter winds, shifting southwesterly quarter within 300nm west of cold front [2], and within 1000nm of cold front [1]. Winds shifting easterly quarter south of warm front, tending westerly quarter within 420nm east of cold front [1], and turning 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. Rain areas, scattered showers and isolated thunderstorms mostly within 240nm of fronts, within 240nm of low and within 300nm of line 13S090E 22S112E. 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 NORTHERN ============================ FQAU21 AMMC 200815 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 20 JULY 2026 PART 1 WARNINGS NIL. PART 2 SITUATION AT 200600 UTC EAST TO SOUTHEASTERLY TRADE FLOW. PART 3 FORECAST SOUTH OF LINE 04S090E 10S122E: SOUTHEASTERLY QUARTER WINDS 15/25 KNOTS. MODERATE TO ROUGH SEAS. MODERATE SWELL. REMAINDER: WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL, INCREASING TO LOW TO MODERATE WEST OF LINE EQ099E 07S106E. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGHOUT MOST OF 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 MONDAY.=