Bulletinset for METAREA 10 Edition date (UTC): 2026-08-23 04:09:01 ============================ HIGH SEAS FORECAST SOUTH-EASTERN ============================ FQAU22 AMMC 222100 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 2300 UTC 22 August 2026 Part 1 Warnings Refer to latest warnings for details of the area affected. Melbourne Gale Warning 10. Part 2 Situation at 221800 UTC Cold front [1] 43S129E 50S135E. Forecast 43S142E 50S158E at 240000UTC. Part 3 Forecast Refer to latest warnings for details of the area affected. South of line 41S129E 41S148E 40S163E, outside of warning areas: Westerly quarter winds, shifting northwesterly quarter east of cold front [1]. Wind speeds 20/33 knots. Rough to very rough seas. Moderate to heavy swell. Remainder: Winds not exceeding 25 knots. Slight to moderate seas. Low to moderate swell, increasing to heavy swell south of line 40S146E 36S139E 35S129E. Rain areas, scattered showers and isolated thunderstorms mainly within 180nm of front within 120nm of line 26S160E 30S162E. Heavy at times within 60nm of line 26S160E 30S162E. 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 09:00 UTC Sunday. ============================ HIGH SEAS FORECAST NORTH-EASTERN ============================ FQAU20 AMMC 222100 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 2300 UTC 22 August 2026 Part 1 Warnings Nil. Part 2 Situation at 221800 UTC Trough EQ159E to low 1009hPa near 07S162E to 13S170E. Forecast EQ155E to low 1014hPa near 07S160E to 12S170E at 240000UTC. Part 3 Forecast Between lines EQ149E 06S146E 25S166E and EQ154E 06S157E 12S170E: Southeasterly quarter winds 20/30 knots. Moderate to rough seas. Low to moderate swell, decaying to low swell north of line 07S147E 04S155E. Remainder: Winds not exceeding 20 knots. Slight to moderate seas. Low to moderate swell. Rain areas, scattered showers and isolated thunderstorms mainly north of line 07S149E 20S170E, heavy at times within 120nm southwest 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 09:00 UTC Sunday. ============================ HIGH SEAS FORECAST WESTERN ============================ FQAU23 AMMC 222100 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 2300 UTC 22 August 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 9. Part 2 Situation at 221800 UTC Cold front [1] 40S092E 45S105E 48S100E. Forecast near 42S116E 46S124E at 231800UTC and decaying thereafter. Cold front [2] 43S125E 50S126E. Forecast 42S126E 50S129E at 222100UTC and moving east of area thereafter. Forecast cold front [3] 32S078E 50S082E entering area from the west at 230000UTC and near 31S093E 40S105E to deepening low 970hPa near 48S095E at 240000UTC. Part 3 Forecast Refer to latest warnings for details of the area affected. South of line 30S080E 32S100E 40S113E 41S129E, outside warning areas: Westerly quarter winds, tending northwesterly quarter within 120nm east of cold fronts [1] and [2]. Winds becoming northerly quarter within 360nm east of cold front [3] and shifting southwesterly west of cold front [3]. Wind speeds 20/33 knots. Rough to very rough seas. Moderate to heavy swell. Remainder: Winds not exceeding 25 knots. Slight to moderate seas. Moderate to heavy swell. Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of fronts. 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 09:00 UTC Sunday. ============================ HIGH SEAS FORECAST NORTHERN ============================ FQAU21 AMMC 222015 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 22 AUGUST 2026 PART 1 WARNINGS NIL. PART 2 SITUATION AT 221800 UTC NIL SIGNIFICANT FEATURES. PART 3 FORECAST NORTH OF LINE 06S121E 10S104E 05S101E: SOUTHEASTERLY QUARTER WINDS 15/25 KNOTS. MODERATE TO ROUGH SEAS. LOW SWELL, INCREASING TO LOW TO MODERATE SWELL WEST OF LINE EQ098E 07S106E 09S122E 12S123E. REMAINDER: WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW TO MODERATE SWELL. 04S102E 07S106E 08S120E 12S120E. 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 SUNDAY.=