Bulletinset for METAREA 10 Edition date (UTC): 2026-08-31 18:46:50 ============================ HIGH SEAS FORECAST WESTERN ============================ FQAU23 AMMC 310927 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 31 August 2026 Part 1 Warnings Refer to latest warnings for boundary of affected area and type of weather system. Melbourne Gale Warning 6. Melbourne Gale Warning 7. Melbourne Gale Warning 8. Melbourne Gale Warning 9. Melbourne Gale Warning 12. Part 2 Situation at 310600 UTC Cold front 35S114E 40S122E 50S128E 56S123E. Forecast near 35S121E 42S129E 50S134E at 311200UTC, then east of area thereafter. Warm front 39S097E 46S105E 50S105E. Forecast 41S126E 44S129E at 010600UTC, then east of area thereafter. Trough [1] 46S071E 50S081E. Forecast trough [1] 42S110E 45S120E 50S123E at 011200UTC. Trough [2] 19S090E 24S100E. Forecast trough [2] 16S090E 22S094E 25S100E at 011200UTC. Part 3 Forecast Refer to latest warnings for details of the area affected. South of line 40S080E 36S109E 34S124E 37S129E, outside warning areas: Westerly quarter winds, shifting northerly quarter east of cold front, shifting northwesterly quarter east of trough [1] and within 240nm east of warm front and shifting southwesterly quarter west of trough [1]. Wind speeds 20/33 knots. Rough to very rough seas. Moderate to heavy swell. Within 180nm west of trough [2]: Southeasterly quarter winds 20/30 knots Rough to very rough seas. Moderate swell. Remainder: Winds not exceeding 25 knots. Slight to moderate seas. Moderate swell, decreasing to low east of line 12S117E 16S117E 21S114E. 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 Monday. ============================ HIGH SEAS FORECAST SOUTH-EASTERN ============================ FQAU22 AMMC 310900 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 31 August 2026 Part 1 Warnings Refer to latest warnings for boundary of affected area and type of weather system. Melbourne Gale Warning 6. Melbourne Gale Warning 7. Melbourne Gale Warning 12. Part 2 Situation at 310600 UTC Forecast cold front approaching area from west near 35S121E 42S129E 50S134E at 311200UTC, then near 39S144E 50S156E at 011200UTC. Forecast warm front approaching area from west near 41S126E 44S129E 50S133E at 010600UTC, then near 40S132E 47S136E 50S137E at 011200UTC. Part 3 Forecast Refer to latest warnings for details of the area affected. South of line 37S129E 35S139E 38S140E 39S151E 44S161E, outside of warning areas: Westerly quarter winds, shifting northerly quarter within 540nm east of cold front, northwesterly quarter within 300nm east of warm front and shifting southwesterly quarter within 90nm west of cold front. Wind speeds 20/33 knots. Rough to very rough seas. Moderate to heavy swell. Within 60nm of line 34S152E 41S158E: Northerly quarter winds 20/30 knots developing from 010300UTC. Rough seas. Moderate swell. Remainder: Winds not exceeding 25 knots. Slight to moderate seas. Low to moderate swell, increasing to moderate to heavy east of line 41S155E 28S170E. Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of cold front and warm front. 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 310900 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 31 August 2026 Part 1 Warnings Nil. Part 2 Situation at 310600 UTC Trough near EQ161E to low 1010hPa near 02S162E to 05S169E. Forecast trough EQ157E to low 1013hPa near 02S159E to 04S164E at 011200UTC. Part 3 Forecast Whole area, apart from east of line EQ156E 04S161E 06S170E and south of line 23S152E 22S170E: Southeasterly quarter winds 15/25 knots, reaching up to 30 knots at times within 120nm of line 03S153E 09S160E 14S169E and within 60nm of the Vitiaz Strait. Moderate to rough seas. Low to moderate swell. Remainder: Winds not exceeding 20 knots. Slight to moderate seas. Low swell, increasing to low to moderate south of line 23S152E 22S170E. Rain areas, scattered showers and isolated thunderstorms throughout most of area. Heavy at times within 120nm of line 03S153E 09S160E 14S169E. 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 310815 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 31 AUGUST 2026 PART 1 WARNINGS NIL. PART 2 SITUATION AT 310600 UTC NIL SIGNIFICANT FEATURES. PART 3 FORECAST WITHIN 120NM OF LINES 01S107E 04S111E 07S120E AND 10S142E 09S137E: 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 SWELL WEST OF LINE EQ098E 07S106E 09S116E 11S117E. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS MOSTLY WEST OF 105E AND EAST OF 127E. 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.=