Bulletinset for METAREA 10 Edition date (UTC): 2026-04-18 18:05:06 ============================ HIGH SEAS FORECAST SOUTH-EASTERN ============================ FQAU22 AMMC 180900 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 18 April 2026 Part 1 Warnings Refer to latest warnings for boundary of affected area and type of weather system. Melbourne Gale Warning 6. Melbourne Gale Warning 10. Final Melbourne Gale Warning 1. Part 2 Situation at 180600 UTC Trough 27S159E 33S168E. Forecast trough 26S171E 33S175E at 190000UTC and then exiting east of area thereafter. Low 987hPa near 45S162E. Forecast low 996hPa near 37S169E at 190600UTC. Cold front near 35S130E 44S129E 50S127E. Forecast cold front near 45S143E 50S144E at 190600UTC. Part 3 Forecast Refer to latest warnings for details of the area affected. South of line 41S149E 31S153E 28S159E 28S170E, outside warning area: Southerly quarter winds within 180nm southwest of trough, shifting northwesterly quarter northeast of trough, turning clockwise within 780nm of low. Wind speeds 20/33 knots. Rough to very rough seas. Moderate to heavy swell. South of line 36S129E 37S134E 48S145E, outside of warning areas: Northerly quarter winds 20/33 knots, shifting westerly quarter west of front. Rough to very rough seas. Moderate to heavy swell. Remainder: Winds not exceeding 25 knots. Moderate to rough seas. Low to moderate swell, increasing up to heavy swell south of line 41S129E 38S138E 50S145E. Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of trough and cold front and within 390nm 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 WESTERN ============================ FQAU23 AMMC 180900 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 18 April 2026 Part 1 Warnings Refer to latest warnings for boundary of affected area and type of weather system. Melbourne Gale Warning 3. Melbourne Gale Warning 4. Melbourne Gale Warning 5. Melbourne Gale Warning 6. Final Melbourne Gale Warning 1. Part 2 Situation at 180600 UTC Cold front [1] 34S129E 43S130E 50S127E. Forecast east of area near 34S131E 44S132E 50S129E at 180900UTC. Cold front [2] 39S108E 47S117E 50S116E. Forecast near 41S121E 47S131E 50S130E at 190000UTC, and then exiting east of area thereafter. Trough [1] 43S099E 49S103E. Forecast trough [1] near 46S112E 50S111E at 181500UTC and then decaying thereafter. Forecast trough [2] entering area from west near 40S091E 42S096E 47S107E at 180900UTC, then near 40S091E 42S096E 47S107E at 191200UTC. Part 3 Forecast Refer to latest warnings for details of the area affected. South of line 41S080E 34S090E 35S113E 41S129E, outside warning areas: Westerly quarter winds. Winds shifting northerly quarter within 360nm east of cold front [1], northwesterly quarter within 300nm east of cold front [2] and southwesterly quarter within 180nm west of cold front [1]. 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. Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of cold fronts, troughs. and within 180nm of line 17S090E 13S096E. 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 180900 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 18 April 2026 Part 1 Warnings Nil. Part 2 Situation at 180600 UTC No significant features. Part 3 Forecast Within 240nm of line 10S144E 13S148E: Southeasterly quarter winds 15/25 knots. Rough seas. Low swell. Remainder: Winds not exceeding 20 knots. Slight to moderate seas. Low swell. Rain areas, scattered showers, and isolated thunderstorms throughout area except south of line 10S142E 20S165E 15S170E. 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 180815 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 18 APRIL 2026 PART 1 WARNINGS NIL. PART 2 SITUATION AT 180600 UTC TROUGH [1] NEAR 06S093E 12S097E. FORECAST NEAR 12S092E 10S090E AT 191200UTC. TROUGH [2] NEAR 08S134E 08S129E 11S122E. FORECAST NEAR 09S122E 07S125E 08S131E AT 191200UTC. PART 3 FORECAST WHOLE AREA: WINDS NOT EXCEEDING 20 KNOTS. SLIGHT TO MODERATE SEAS. LOW SWELL. RAIN AREAS, SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGHOUT THE AREA. HEAVY AT TIMES SOUTH OF TROUGH [2] AND WITHIN 90NM OF LINE 12S126E 10S142E. 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.=