Bulletinset for METAREA 10 Edition date (UTC): 2026-04-24 19:19:30 ============================ HIGH SEAS FORECAST WESTERN ============================ FQAU23 AMMC 241801 IDY10220 SECURITE Updated 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 24 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. Final Melbourne Gale Warning 3. Part 2 Situation at 240600 UTC Trough [1] near 12S101E 18S105E. Forecast 12S100E 23S108E at 260000UTC. Forecast trough [2] near 33S075E to low 1019hPa near 37S081E at 251800UTC entering from west, then near 33S077E 35S081E to low 1018hPa near 36S082E at 260000UTC. Cold front [1] near 40S092E 46S108E 50S112E. Forecast 42S130E 48S134E 50S135E at 260000UTC, east of area. Forecast cold front [2] southeast of area near 55S064E 53S077E at 250300UTC, then near 40S087E 50S099E at 260000UTC. Part 3 Forecast Refer to latest warnings for details of the area affected. South of line 42S129E 38S111E 39S086E 34S080E, outside warning areas: Westerly quarter winds, shifting northwesterly quarter winds within 420nm east of cold front [1] and 720nm of cold front [2], and turning clockwise within 180nm of low. Wind speeds 20/33 knots. Moderate to rough seas. Moderate to heavy swell. West of line 18S110E 25S110E and within 180nm of trough [1]: Northeasterly quarter winds, shifting southeasterly quarter south of trough [1]. WInd speeds 20/30 knots. Rough seas. Moderate swell. Remainder: Winds not exceeding 25 knots. Slight to moderate seas. Low to moderate swell, increasing to moderate to heavy south of line 35S080E 35S100E 27S111E 27S114E 35S116E 38S129E. Rain areas, scattered showers and isolated thunderstorms mostly within 240nm of fronts/troughs, and within 180nm of low. Heavy at times within 120nm of trough [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 21:00 UTC Friday. ============================ HIGH SEAS FORECAST SOUTH-EASTERN ============================ FQAU22 AMMC 240900 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 24 April 2026 Part 1 Warnings Refer to latest warnings for boundary of affected area and type of weather system. Melbourne Gale Warning 1. Part 2 Situation at 240600 UTC Trough [1] near 34S130E 40S136E. Forecast 36S136E 43S140E 47S149E at 251200UTC. Trough [2] near 26S155E 29S154E. Forecast 25S154E 26S153E at 242100UTC. Cold front near 38S120E 47S128E to low 995hPa near 48S123E. Forecast 48S138E to low 1002hPa near 53S140E at 250000UTC and south of area thereafter. Part 3 Forecast Refer to latest warnings for details of the area affected. South of line 44S129E 48S139E 45S148E 47S160E, outside warning area: Northwesterly quarter winds 20/33 knots. Moderate to rough seas. Moderate to heavy swell. North of line 30S154E 26S170E: Southeasterly quarter winds 20/30 knots. 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 38S129E 45S146E. Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of front, low and troughs. 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 Friday. ============================ HIGH SEAS FORECAST NORTH-EASTERN ============================ FQAU20 AMMC 240900 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 24 April 2026 Part 1 Warnings Nil. Part 2 Situation at 240600 UTC Trough near 13S157E 21S170E. Forecast 15S158E 20S164E 21S170E at 251200UTC. Part 3 Forecast South of line 06S142E 20S170E: Southeast quarter winds 15/25 knots, reaching 30 knots west of line 09S148E 16S148E and east of line 18S165E 25S156E. Moderate to rough seas. Low to moderate swell. Remainder: Winds not exceeding 20 knots. Slight to moderate seas. Low swell, rising to low to moderate south of line 10S154E 15S163E. Rain areas, scattered showers, and isolated thunderstorms throughout area. Heavy at times within 90nm 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 21:00 UTC Friday. ============================ HIGH SEAS FORECAST NORTHERN ============================ FQAU21 AMMC 240815 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 24 APRIL 2026 PART 1 WARNINGS NIL. PART 2 SITUATION AT 240600 UTC TROUGH NEAR 08S101E 12S103E. FORECAST NEAR 10S100E 12S101E AT 250000UTC. PART 3 FORECAST SOUTH OF LINE 11S116E 07S133E 09S142E: SOUTHEASTERLY QUARTER WINDS 15/25 KNOTS. MODERATE TO ROUGH SEAS. LOW SWELL, INCREASING TO LOW TO MODERATE WEST OF 119E. REMAINDER: WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL, INCREASING TO LOW TO MODERATE SOUTH OF 03S/INDONESIA AND WEST OF 119E. 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 FRIDAY.=