Bulletinset for METAREA 10 Edition date (UTC): 2026-07-17 08:58:55 ============================ HIGH SEAS FORECAST NORTHERN ============================ FQAU21 AMMC 170815 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 17 JULY 2026 PART 1 WARNINGS NIL. PART 2 SITUATION AT 170600 UTC EAST TO SOUTHEASTERLY TRADE FLOW. PART 3 FORECAST SOUTH OF LINE 08S118E EQ130E 07S142E: 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 SOUTH OF LINE 03S090E 05S102E. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGHOUT 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 FRIDAY.= ============================ HIGH SEAS FORECAST SOUTH-EASTERN ============================ FQAU22 AMMC 162100 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 16 July 2026 Part 1 Warnings Nil. Part 2 Situation at 161800 UTC Trough [1] near 25S164E 32S165E. Forecast trough [1] 25S162E to developing low [1] 1014hPa near 26S162E to 31S164E at 170600UTC, then trough [1] 25S161E to low [1] 1010hPa near 29S159E to 33S161E at 180000UTC. Cold front west of area near 35S119E to low [2] 1009hPa near 46S129E to warm front 49S147E. Forecast cold front 42S134E to low [2] 1015hPa near 48S151E warm front 48S160E at 171500UTC, then decaying into trough [2] near 44S144E 47S160E at 180000UTC. Part 3 Forecast North of line 32S153E 34S170E: Southeasterly quarter winds west of trough [1], shifting northeasterly east of trough [1], and turning clockwise within 120nm of low [1]. Wind speeds 20/30 knots. Rough seas. Low to moderate swell. South of line 39S129E 45S160E: Northwesterly quarter winds 20/30 knots north of warm front/trough [2]. Wind speeds 20/33 knots. 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 39S164E 43S148E. Rain areas, scattered showers and isolated thunderstorms mostly within 240nm of fronts, troughs. and lows. Heavy at times within 120nm of low [1] and north of line 29S166E 29S170E. 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 Friday. ============================ HIGH SEAS FORECAST WESTERN ============================ FQAU23 AMMC 162100 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 16 July 2026 Part 1 Warnings Refer to latest warnings for boundary of affected area and type of weather system. Melbourne Final Gale Warning 4. Part 2 Situation at 161800 UTC Cold front [1] 31S101E 43S108E to low 998hPa near 50S105E. Forecast 30S115E to low 997hPa near 43S116E at 180000UTC. Trough near 35S096E 44S104E. Forecast near 32S110E 41S114E at 180000UTC. Cold front [2] forecast to enter area from the west near 41S071E 50S080E at 171800UTC, then near 44S079E 50S085E at 180000UTC. Cold front [3] near 35S119E 46S129E. Forecast east of area by 170000UTC. Part 3 Forecast Refer to latest warnings for details of the area affected. South of line 40S080E 28S106E 38S129E, outside warning areas: Northerly quarter winds within 600nm east of cold front [1], shifting westerly within 300nm west of front [1], becoming southwesterly quarter within 600nm west of trough and shifting turning clockwise within 120nm of low. Northwesterly quarter winds east of cold front [3] and within 300nm 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, increasing to moderate to heavy swell south of line 22S080E 26S113E. Rain areas, scattered showers and isolated thunderstorms mostly within 120nm of fronts, trough and within 90nm of line 12S090E 22S105E. 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 Friday. ============================ HIGH SEAS FORECAST NORTH-EASTERN ============================ FQAU20 AMMC 162100 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 16 July 2026 Part 1 Warnings Nil. Part 2 Situation at 161800 UTC Trough [1] near 02S152E 02S170E. Forecast slow moving. Trough [2] near 15S165E 25S164E. Forecast near 15S165E 25S161E at 180000UTC. Part 3 Forecast West of line 09S147E 25S156E: Southeasterly quarter winds 15/25 knots. Moderate to rough seas. Low to moderate swell. East of line 11S167E 25S165E: Easterly quarter wind 20/30 knots. 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 trough [1] and within 180nm east of trough [2]. 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 Friday.