Bulletinset for METAREA 10 Edition date (UTC): 2026-04-25 19:45:11 ============================ HIGH SEAS FORECAST SOUTH-EASTERN ============================ FQAU22 AMMC 250900 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 25 April 2026 Part 1 Warnings Nil Part 2 Situation at 250600 UTC Cold front west of area near 42S108E 50S121E. Forecast cold front 44S140E 50S145E at 261200UTC. Trough [1] 30S129E 40S138E. Forecast trough [1] 32S139E 38S141E at 260000UTC and weakening thereafter. Trough [2] 46S144E 47S154E. Forecast trough [2] east of area near 47S160E 48S165E at 251800UTC. Part 3 Forecast South of line 42S129E 44S140E 50S150E: Northwesterly quarter winds east of cold front shifting westerly quarter west of front. Wind speeds 20/33 knots. Moderate to rough seas. Moderate to heavy swell. North of line 28S153E 29S163E 26S170E: Southeasterly quarter winds 20/30 knots. Moderate to rough seas. Low to moderate swell. Remainder: Winds not exceeding 25 knots. Slight to moderate seas. Low to moderate swell, increasing to moderate to heavy south of line 47S149E 45S160E. Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of front and troughs, and north of 33S. 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 Saturday. ============================ HIGH SEAS FORECAST WESTERN ============================ FQAU23 AMMC 250900 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 1100 UTC 25 April 2026 Part 1 Warnings Refer to latest warnings for boundary of affected area and type of weather system. Melbourne Gale Warning 2. Melbourne Gale Warning 4. Part 2 Situation at 250600 UTC Cold front [1] 37S097E 42S108E 50S121E. Forecast cold front [1] east of area near 42S129E 50S135E at 260000UTC. Cold front [2] initially southwest of area near 53S068E 53S081E. Forecast cold front [2] 44S087E 50S100E at 260000UTC, and 37S098E 42S109E 50S113E at 261200UTC. Trough [1] initially west of area near 34S070E 39S079E. Forecast 32S083E 37S092E at 261200UTC. Trough [2] 12S100E to low 1008hPa near 20S103E. Forecast trough [2] 12S102E to low 1008hPa near 23S106E at 261200UTC. Part 3 Forecast Refer to latest warnings for details of the area affected. South of line 40S080E 38S111E 42S129E, outside warning areas: Westerly quarter winds shifting northwesterly quarter east of cold front [1] and within 900nm east of cold front [2]. Wind speeds 20/33 knots. Moderate to rough seas. Moderate to heavy swell. Within 180nm of the southern semicircle of low: Clockwise winds, 20/30 knots. Rough seas. Moderate to heavy swell. Remainder: Winds not exceeding 25 knots. Slight to moderate seas. Low to moderate swell, increasing to moderate to heavy south of line 38S080E 33S101E 38S116E. Rain areas, scattered showers and isolated thunderstorms mostly within 240nm of fronts/troughs, and within 180nm of low. Heavy at times within 120nm 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 21:00 UTC Saturday. ============================ HIGH SEAS FORECAST NORTH-EASTERN ============================ FQAU20 AMMC 250900 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 25 April 2026 Part 1 Warnings Nil. Part 2 Situation at 250600 UTC Trough near 18S164E 21S168E 21S170E. Forecast trough 20S162E to low 1010hPa developing near 22S165E to trough 22S170E at 260000UTC, and trough 19S163E to low 1009hPa near 22S166E to trough 24S170E at 261200UTC. Part 3 Forecast South of line 07S142E 07S151E 19S154E 19S170E: Southeast quarter winds 15/25 knots, reaching 30 knots west of line 09S148E 15S145E and south of line 21S170E 22S152E 18S148E. Moderate to rough seas. Low to moderate swell. Remainder: Winds not exceeding 20 knots. Slight to moderate seas. Low swell. Rain areas, scattered showers, and isolated thunderstorms throughout area. Heavy at times within 90nm south of trough and within 60nm 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 21:00 UTC Saturday. ============================ HIGH SEAS FORECAST NORTHERN ============================ FQAU21 AMMC 250815 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 25 APRIL 2026 PART 1 WARNINGS NIL. PART 2 SITUATION AT 250600 UTC NIL. PART 3 FORECAST SOUTH OF LINE 10S121E 06S136E 06S142E: 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 02S090E 02S101E 05S103E 08S108E 09S121E. RAIN AREAS, 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 SATURDAY.=