Bulletinset for METAREA 10 Edition date (UTC): 2026-06-26 03:11:58 ============================ HIGH SEAS FORECAST NORTH-EASTERN ============================ FQAU20 AMMC 252100 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 25 June 2026 Part 1 Warnings Nil. Part 2 Situation at 251800 UTC Trough 02S155E 02S170E. Forecast trough slow moving. Part 3 Forecast South of line 09S144E 06S170E and within the Vitiaz Strait: Southeasterly quarter winds 15/25 knots, reaching up to 30 knots at times within 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 swell south of 5S. Scattered showers, rain areas and isolated thunderstorms mostly throughout the area. Widespread showers within 300nm north and south of trough. 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 252100 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 25 June 2026 Part 1 Warnings Refer to latest warnings for boundary of affected area and type of weather system. Melbourne Storm Force Wind Warning 3. Part 2 Situation at 251800 UTC Low 983hPa near 39S108E to warm front 40S107E 46S112E. Forecast low 989hPa near 37S117E to warm front 45S113E 48S122E at 270000UTC. Cold front [1] 20S105E 30S113E 41S114E 43S110E. Forecast cold front [1] 28S124E 46S123E 46S115E at 270000UTC. Trough 10S100E 20S105E. Forecast trough 12S099E 21S115E at 270000UTC. Forecast cold front [2] west of area near 39S063E 50S074E at 260600UTC, and 37S069E 50S088E at 270000UTC. Part 3 Forecast Refer to latest warnings for details of the area affected. South of line 37S080E 50S101E: Westerly quarter winds, shifting northwesterly quarter east of cold front [2], tending southwesterly quarter west of cold front [2]. Wind speeds 20/30 knots. Rough to very rough seas. Moderate to heavy swell. Within 720nm of low, outside of warning area: Clockwise winds about low shifting northerly quarter east of cold front [1] becoming southerly quarter west of warm front. Wind speeds 20/33 knots. Rough to very rough seas. Moderate to heavy swell. West of line 17S106E 24S090E: Southeasterly quarter winds 20/30 knots. Rough to very rough seas. Moderate to heavy swell. Remainder: Winds not exceeding 25 knots. Moderate to rough seas. Moderate to heavy swell, abating to low to moderate east of line 10S110E 22S116E. Rain areas, scattered showers and isolated thunderstorms mostly within 120nm of fronts and trough, and within 300nm 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 Friday. ============================ HIGH SEAS FORECAST SOUTH-EASTERN ============================ FQAU22 AMMC 252100 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 25 June 2026 Part 1 Warnings Refer to latest warnings for boundary of affected area and type of weather system. Melbourne Gale Warning 5. Melbourne Gale Warning 6. Part 2 Situation at 251800 UTC Ridge 1035hPa near 41S147E. Forecast slow moving. Part 3 Forecast Refer to latest warnings for details of the area affected. South of line 47S160E 46S144E 48S129E, outside of warning area: Westerly quarter winds 20/33 knots. Rough seas. Moderate to heavy swell. East of line 29S170E 33S164E 40S163E: Southerly quarter winds 20/30 knots. Rough seas. Moderate to heavy swell. West of line 33S131E 42S131E: Northerly quarter winds 15/25 knots, increasing to 20/30 knots from 261200UTC. Moderate to 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 east of line 25S170E 27S166E 32S164E. Rain areas, scattered showers and isolated thunderstorms mostly east of 137E. 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 NORTHERN ============================ FQAU21 AMMC 252015 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 25 JUNE 2026 PART 1 WARNINGS NIL. PART 2 SITUATION AT 251800 UTC SOUTHEASTERLY TRADE FLOW. PART 3 FORECAST WITHIN 180NM OF LINE 07S107E 08S136E: 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 WEST OF LINE EQ094E 12S114E. 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 08:15 UTC FRIDAY.=