Bulletinset for METAREA 10 Edition date (UTC): 2026-09-15 21:32:37 ============================ HIGH SEAS FORECAST SOUTH-EASTERN ============================ FQAU22 AMMC 152100 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 15 September 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 11. Part 2 Situation at 151800 UTC Cold front 29S154E 39S164E. Forecast cold front 25S167E 29S170E at 170000UTC. High 1040hPa near 40S132E. Forecast high 1037hPa near 40S132E at 170000UTC Part 3 Forecast Refer to latest warnings for details of the area affected. South of line 40S129E 43S131E 39S149E 25S153E 25S170E, outside of warning areas: Northwesterly quarter winds within 120nm east of cold front, shifting southwesterly quarter within 1140nm southwest of front, and turning anticlockwise within 1200nm of high. Wind speeds 20/33 knots. Rough to very rough seas. Moderate to heavy swell, easing to moderate swell north of line 43S170E 38S144E. Remainder: Winds not exceeding 25 knots. Moderate to rough seas. Low to moderate swell increasing to moderate to heavy swell south of line 36S129E 36S137E 38S146E. Rain areas, scattered showers and isolated thunderstorms mainly within 300nm of cold 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 09:00 UTC Wednesday. ============================ HIGH SEAS FORECAST WESTERN ============================ FQAU23 AMMC 152100 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 15 September 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 3. Melbourne Gale Warning 12. Part 2 Situation at 151800 UTC Cold front [1] 27S090E 37S097E 47S104E to low [1] 982hPa near 50S097E. Forecast low [1] exiting area to the south thereafter, then just cold front 44S107E 50S115E at 160900UTC, decaying thereafter. Trough [1] 30S089E 46S089E to low [2] 984hPa near 47S085E. Forecast trough [1] 29S090E low [2] 1011hPa near 34S094E at 170000UTC. Forecast developing low [3] 995hPa near 42S099E at 160600UTC. Forecast low [3] 997hPa near 43S103E at 170000UTC. Forecast trough [2] entering area from the west near 44S081E 50S081E at 161500UTC. Forecast trough [2] 42S084E 50S089E at 170000UTC. Part 3 Forecast Refer to latest warnings for details of the area affected. South of line 24S090E 24S100E 34S100E 44S118E 34S122E 40S129E, outside warning areas: Northwesterly quarter winds, shifting westerly quarter initially within 360nm west of trough [1] then southwesterly quarter further west, contracting to just southwesterly quarter within 360nm of trough [1] by 170000UTC. Southwesterly quarter winds west of trough [2]. Clockwise winds within 180nm of low [1], and within 240nm of low [2] in western semicircle. Winds 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 increasing to moderate to heavy swell south of line 38S122E 36S129E. Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of fronts and troughs, and within 300nm 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 09:00 UTC Wednesday. ============================ HIGH SEAS FORECAST NORTH-EASTERN ============================ FQAU20 AMMC 152100 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 15 September 2026 Part 1 Warnings Nil. Part 2 Situation at 151800 UTC Trough near 09S170E 01S156E, forecast slow moving. Part 3 Forecast West of line 09S142E 15S157E 25S167E and through the Vitiaz Strait: 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 moderate south of line 10S147E 10S159E. Isolated showers and thunderstorms mainly north of line EQ152E 11S159E 14S170E. 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 Wednesday. ============================ HIGH SEAS FORECAST NORTHERN ============================ FQAU21 AMMC 152015 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 15 SEPTEMBER 2026 PART 1 WARNINGS NIL. PART 2 SITUATION AT 151800 UTC NO SIGNIFICANT FEATURES. PART 3 FORECAST EAST OF LINE 06S131E 12S131E: 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 UP TO MODERATE SOUTH AND WEST OF INDONESIA. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS MOSTLY THROUGHOUT 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 08:15 UTC WEDNESDAY.=