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 14 August 2026
Part 1 Warnings
Nil.
Part 2 Situation at 141800 UTC
Trough near EQ162E to low 1007hPa near 06S167E to 16S170E, forecast EQ167E to
low 1009hPa near 08S169E to 13S170E at 160000UTC.
Part 3 Forecast
West of line 02S170E 06S164E 15S170E and east of line EQ153E 02S145E 10S142E:
Southeasterly quarter winds 15/25 knots, increasing to 30 knots within 180nm of
line 03S163E 10S161E 16S170E and within Vitiaz Strait, turning clockwise within
180nm of low. Moderate to rough seas. Low to moderate swell.
North of line 25S161E 22S163E 20S170E:
Southeasterly quarter winds 15/25 knots. Moderate to rough seas. Low to
moderate swell.
Remainder:
Winds not exceeding 20 knots. Slight to moderate seas. Low to moderate swell,
decreasing to low north of line EQ153E 02S145E 09S142E.
Rain areas, scattered showers and isolated thunderstorms mostly north of line
10S143E 12S162E 19S170E and west of line 25S157E 17S148E, 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 09:00 UTC Saturday.
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 14 August 2026
Part 1 Warnings
Refer to latest warnings for boundary of affected area and type of weather
system.
Melbourne Gale Warning 1.
Melbourne Gale Warning 2.
Melbourne Gale Warning 6.
Part 2 Situation at 141800 UTC
Cold front 32S095E 39S104E 50S112E. Forecast near 43S122E 50S128E at 160000UTC.
Trough [1] near 44S098E 50S103E. Forecast near 46S104E 50S107E at 150000UTC,
then moving south of area.
Trough [2] near 45S080E 50S084E. Forecast near 30S090E 40S101E 50S108E at
160000UTC.
Part 3 Forecast
Refer to latest warnings for details of the area affected.
South of line 28S090E 30S105E 45S129E, outside of warning areas:
Westerly quarter winds, shifting northerly quarter east of cold front,
northwesterly quarter within 300nm west of cold front and east of trough [2],
southwesterly quarter west of trough [2]. 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 240nm of
front, troughs, and north of line 21S090E 17S117E, heavy at times within 120nm
of line 12S094E 16S090E. 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 Saturday.
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 14 August 2026
Part 1 Warnings
Nil.
Part 2 Situation at 141800 UTC
Warm front near 50S147E 48S148E. Forecast near 46S159E 48S161E 50S160E at
151200UTC and moving east of area thereafter.
Part 3 Forecast
South of line 45S129E 47S136E 45S161E:
Westerly quarter winds, tending northwesterly quarter west of warm front,
shifting northerly quarter within 180nm east of warm front. Winds speeds 25/33
knots. Rough to very rough seas. Heavy swell.
East of line 31S164E 35S161E 42S162E:
Southerly quarter winds. Wind speeds 20/30 knots. Moderate to 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 north of line 39S162E 42S149E 38S144E.
Rain areas, scattered showers and isolated thunderstorms mostly within 1800nm
of warm front 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 09:00 UTC Saturday.
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 14 AUGUST 2026
PART 1 WARNINGS
NIL.
PART 2 SITUATION AT 141800 UTC
SOUTHEASTERLY TRADE FLOW THROUGHOUT.
PART 3 FORECAST
SOUTH OF LINE 10S095E 10S098E:
SOUTHEASTERLY QUARTER WINDS 15/25 KNOTS. MODERATE TO ROUGH SEAS.
MODERATE SWELL.
EAST OF LINE 06S133E 10S133E:
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 12S119E.
RAIN AREAS, SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS NORTH OF
LINE 04S096E
06S105E AND SOUTH OF LINE 07S090E 08S103E 12S110E. 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 08:15 UTC SATURDAY.=