Bulletinset for METAREA 10 Edition date (UTC): 2026-06-20 01:50:19 ============================ HIGH SEAS FORECAST WESTERN ============================ FQAU23 AMMC 192100 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 19 June 2026 Part 1 Warnings Refer to latest warnings for boundary of affected area and type of weather system. Melbourne Gale Warning 7. Part 2 Situation at 191800 UTC Trough [1] near 15S095E 21S093E to low [1] 1011hPa near 24S094E. Forecast 18S100E 24S101E to low [1] 1015hPa near 25S102E to 26S105E at 210000UTC. Trough [2] near 30S098E 36S104E to low [2] 1001hPa near 43S101E. Forecast 32S106E 39S113E to decaying low [2] 998hPa near 48S109E at 201200UTC, then just trough [2] near 34S115E 40S119E 51S117E at 210000UTC. Trough [3] near 40S079E 49S090E. Forecast near 47S101E 54S108E at 201200UTC and exiting south thereafter. Forecast low [3] 992hPa entering from west near 47S074E at 201500UTC, then low [3] 994hPa near 48S079E at 210000UTC. Part 3 Forecast Refer to latest warnings for details of the area affected. South of line 41S080E 34S097E 36S117E 47S129E, outside of warning areas: Westerly quarter winds, shifting southwesterly quarter within 600nm west of trough [2], shifting northwesterly quarter within 300nm east of trough [2] and trough [3], and turning clockwise within 120nm of low [2] and within 360nm of low [3]. Wind speeds 20/33 knots. Rough to very rough seas. Moderate to heavy swell. Remainder: Winds not exceeding 25 knots. Rough to very rough seas. Moderate swell. Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of lows, within 300nm of trough [1], and within 180nm of trough [2] and trough [3]. Heavy at times within 120nm of low [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 09:00 UTC Saturday. ============================ HIGH SEAS FORECAST SOUTH-EASTERN ============================ FQAU22 AMMC 192100 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 19 June 2026 Part 1 Warnings Nil. Part 2 Situation at 191800 UTC Trough [1] near 40S156E 44S162E. Forecast near 33S162E 36S169E at 210000UTC. Cold front near 36S143E 40S146E 46S161E. Forecast weakening to trough [2] 37S149E to developing low 1021hPa near 38S151E to trough [2] 41S164E at 201800UTC, then trough [2] near 36S149E to low 1024hPa near 37S151E to 41S165E at 210000UTC. Part 3 Forecast South of line 47S129E 48S160E: Westerly quarter winds 20/30 knots, shifting northwesterly west of 137E after 202100UTC. Rough seas. Moderate swell to heavy swell. Within 300nm west of cold front: Southerly quarter winds 20/33 knots north of 43S. Rough to very rough seas. Moderate swell. Remainder: Winds not exceeding 25 knots. Moderate to rough seas. Moderate swell abating to low to moderate swell north of line 37S150E 31S156E 33S170E. Rain areas, scattered showers and isolated thunderstorms mainly within 180nm of cold front, troughs and 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 Saturday. ============================ HIGH SEAS FORECAST NORTH-EASTERN ============================ FQAU20 AMMC 192100 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 19 June 2026 Part 1 Warnings Nil. Part 2 Situation at 191800 UTC Trough near 01S155E 02S159E 06S164E. Forecast near EQ163E EQ170E at 201200UTC and exiting north thereafter. Part 3 Forecast East of line 21S156E 12S152E 09S158E: Southeasterly quarter winds 15/25 knots, reaching up to 30 knots east of line 12S165E 14S170E at times. Moderate to rough seas. Low to moderate swell. Remainder: Winds not exceeding 20 knots. Slight to moderate seas. Low swell increasing up to moderate within 240nm of line 13S152E 08S170E. Scattered showers and isolated thunderstorms mostly within 480nm of trough and within 300nm of line 11S156E 09S170E. 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 Saturday. ============================ HIGH SEAS FORECAST NORTHERN ============================ FQAU21 AMMC 192015 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 19 JUNE 2026 PART 1 WARNINGS NIL. PART 2 SITUATION AT 191800 UTC SOUTHEASTERLY TRADE FLOW. PART 3 FORECAST SOUTH OF LINE 09S115E 01S130E 09S141E: 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 EQ090E EQ098E 05S102E 09S115E. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGHOUT. 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 SATURDAY.=