Bulletinset for METAREA 10 Edition date (UTC): 2026-08-13 14:09:15 ============================ HIGH SEAS FORECAST SOUTH-EASTERN ============================ FQAU22 AMMC 130900 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 13 August 2026 Part 1 Warnings Refer to latest warnings for boundary of affected area and type of weather system. Melbourne Storm Force Wind Warning 12. Part 2 Situation at 130600 UTC Cold front [1] 26S168E 36S169E, moving east of area. Cold front [2] 45S122E 47S131E to low 975hPa south of area near 51S139E to warm front [1] near 50S145E 46S147E, forecast becoming just cold front [2] near 44S129E 46S140E 50S146E at 131200UTC, then weakening near 40S157E 42S162E 44S164E at 141200UTC. Forecast warm front [2] entering area from west near 50S124E 47S129E at 132100UTC, and near 47S142E 52S140E at 141200UTC. Trough [1] 30S164E 34S167E, forecast 25S169E 30S171E at 131800UTC, then moving east of area. Trough [2] 43S157E 47S161E, moving east of area. Forecast trough [3] developing near 33S169E 32S163E at 131800UTC, and near 29S167E 32S172E at 141200UTC. Part 3 Forecast Refer to latest warnings for details of the area affected. South of line 44S129E 38S151E 43S162E, outside warning areas: Westerly quarter winds, tending northwesterly quarter east of cold front [2] and west of warm front [1], shifting northerly quarter within 300nm east of warm front [2], shifting southwesterly quarter west of cold front [2] and turning clockwise within 120nm of low. Winds speeds 25/33 knots. Rough to very rough seas. Heavy swell. East of line 28S164E 37S164E: Southerly quarter winds shifting southwesterly quarter north of troughs and within 120nm west of cold front [1]. Wind speeds 20/30 knots. Moderate to rough seas. Low to moderate swell. Remainder: Winds not exceeding 25 knots. Moderate to rough seas. Moderate to heavy swell, decreasing to low to moderate swell north of line 35S150E 35S155E 41S163E. Rain areas, scattered showers and isolated thunderstorms mostly within 240nm of fronts/troughs and within 240nm of the New South Wales coast. 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 Thursday. ============================ HIGH SEAS FORECAST WESTERN ============================ FQAU23 AMMC 130900 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 13 August 2026 Part 1 Warnings Refer to latest warnings for boundary of affected area and type of weather system. Melbourne Storm Force Wind Warning 12. Melbourne Gale Warning 4. Melbourne Gale Warning 5. Melbourne Gale Warning 6. Part 2 Situation at 130600 UTC Cold front [1] 45S122E 47S131E 50S138E, moving east of area. Cold front [2] 36S081E 40S092E to low 993hPa near 46S102E to warm front near 47S107E 46S113E. Forecast cold front [2] near 46S110E to low 986hPa south of area near 51S116E to warm front near 50S124E 47S129E at 132100UTC, and exiting area to the south thereafter. Cold front [3] near 44S080E 50S090E. Forecast near 32S092E 41S102E 50S110E at 141200UTC. Forecast trough entering area near 45S080E 50S084E at 131800UTC, and near 44S095E 47S098E 50S098E at 141200UTC. Part 3 Forecast Refer to latest warnings for details of the area affected. South of line 31S080E 31S096E 44S129E, outside of warning areas: Westerly quarter winds, shifting northwesterly quarter east of cold fronts, northerly quarter within 120nm south of warm front, southwesterly quarter within 180nm west of cold fronts and trough, and turning clockwise within 180nm of low. Wind speeds 20/33 knots. Rough to very rough seas. Moderate to heavy swell. Remainder: Winds not exceeding 25 knots. Moderate to rough seas. Moderate to heavy swell, decreasing to low to moderate swell east of line 12S120E 22S114E. Rain areas, scattered showers and isolated thunderstorms mostly within 240nm of fronts, trough and low and north of line 19S092E 13S103E 15S113E. 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 Thursday. ============================ HIGH SEAS FORECAST NORTH-EASTERN ============================ FQAU20 AMMC 130900 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 13 August 2026 Part 1 Warnings Nil. Part 2 Situation at 130600 UTC Trough near EQ153E to low 1006hPa near 08S161E to 13S170E, forecast EQ159E to low 1008hPa near 07S164E 12S170E at 141200UTC. Part 3 Forecast West of line EQ167E 08S164E 14S170E and east of line EQ154E 08S149E 08S142E: Southeasterly quarter winds 15/25 knots, increasing to 30 knots within 180nm of line 06S156E 15S164E, and turning clockwise within 180nm of low. Moderate to rough seas. Low swell. North of line 20S148E 22S165E 21S170E: Southeasterly quarter winds 15/25 knots. Moderate to rough seas. Low swell, increasing to low to moderate swell northeast of low. Remainder: Winds not exceeding 20 knots. Slight to moderate seas. Low swell, increasing to low to moderate swell northeast of low and south of line 21S170E 25S162E. Rain areas, scattered showers and isolated thunderstorms mostly north of line 08S142E 19S170E and within 120nm of Cairns, heavy at times within 120nm 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 Thursday. ============================ HIGH SEAS FORECAST NORTHERN ============================ FQAU21 AMMC 130815 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 13 AUGUST 2026 PART 1 WARNINGS NIL. PART 2 SITUATION AT 130600 UTC SOUTHEASTERLY TRADE FLOW THROUGHOUT. PART 3 FORECAST SOUTH OF LINE 10S097E 07S107E: SOUTHEASTERLY QUARTER WINDS 15/25 KNOTS. MODERATE TO ROUGH SEAS. MODERATE SWELL. WITHIN 120NM EAST OF LINE 07S134E 13S142E: 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 MODERATE WEST OF LINE EQ098E 07S107E 09S120E 12S120E. RAIN AREAS, SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS NORTH OF LINE 02S090E 05S103E AND SOUTH OF LINE 07S090E 08S103E 12S113E. ISOLATED SHOWERS ELSEWHERE. 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 THURSDAY.=