Australian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:47 PM EDT on Wednesday 17 December 2025
Valid for Wednesday 17 December 2025 to Saturday 20 December 2025
Warning for the following areas:
South Coast
Warning for the following areas:
Mid North Coast, Hunter, Northern Tablelands, Metropolitan, Illawarra, Central Tablelands, Southern Tablelands, Snowy Mountains, North West Slopes and Plains, South West Slopes and Riverina
Safety Advice:
Extreme heatwaves can be dangerous for everyone.
Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell.
Seek a place to keep cool, such as your home, a library, community centre or shopping centre.
Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home.
If available, use fans or air-conditioners to keep cool.
Over southern inland areas maximum temperatures in the high thirties to low forties, and overnight minimum temperatures in the high teens to mid twenties. About the southern coast and ranges maximum temperatures generally in the mid to high thirties with overnight minimum temperatures generally in the mid to high teens.
Severe to Extreme heatwave conditions developing over the south of the state are expected to extend north over the next few days before beginning to ease from the south over the weekend.
Locations likely to be impacted include Albury, Camden, Campbelltown, Goulburn, Hornsby, Liverpool, Nowra, Richmond, Wollongong and Wagga Wagga.
The next heatwave warning will be issued by 3:00pm EDT on Thursday 18 December 2025
Forecast
Lake Munmorah (33.1941°S, 151.5704°E, 15m AMSL) Lake Munmorah,NSW set as my default location ›
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7 day forecast
Lake Munmorah 7 day forecast
Today: Sunny. Light winds becoming NE 15 to 20 km/h in the late afternoon then becoming light in the late evening. Daytime maximum temperatures 33 to 39.
Forecast for Lake Munmorah (33.1941°S, 151.5704°E, 15m AMSL) Thu Fri Sat Sun Mon Tue Wed Summary 
Minimum 17° 22° 21° 21° 23° 20° 19° Maximum 32° 33° 29° 35° 32° 29° 28° Chance of rain 10% 50% 40% 30% 30% 60% 60% Likely amount < 1mm 1-5mm 1-5mm 1-5mm < 1mm < 1mm < 1mm UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme Fire Danger Rating Moderate High Moderate High - - - Frost risk Nil Nil Nil Nil Nil Nil Nil 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm Wind speed 9
(km/h)29
(km/h)6
(km/h)15
(km/h)9
(km/h)19
(km/h)5
(km/h)20
(km/h)13
(km/h)20
(km/h)10
(km/h)25
(km/h)11
(km/h)25
(km/h)Wind direction NE ENE N E S NE SSE ENE WSW SE ESE E S E Relative humidity 73% 67% 62% 61% 84% 76% 80% 68% 67% 64% 79% 73% 76% 72% Dew point 18°C 24°C 21°C 21°C 22°C 22°C 24°C 26°C 20°C 21°C 20°C 22°C 19°C 21°C First light 5:11am 5:11am 5:11am 5:12am 5:12am 5:13am 5:13am Sunrise 5:39am 5:40am 5:40am 5:41am 5:41am 5:42am 5:42am Sunset 8:01pm 8:01pm 8:02pm 8:02pm 8:03pm 8:03pm 8:04pm Last light 8:29pm 8:30pm 8:31pm 8:31pm 8:32pm 8:32pm 8:33pm -
Sunrise and sunset times
Sunrise / Sunset for Lake Munmorah (33.1941°S, 151.5704°E, 15m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase New moon First quarter Full moon Last quarter 5:11am EDT 5:39am EDT 8:01pm EDT 8:29pm EDT 3:44am EDT 6:39pm EDT 
Waning crescent
New moon Dec 20 First quarter Dec 28 Full moon Jan 03 Last quarter Jan 11 Lake Munmorah sun & moon times
ThursdayFirst light5:11am
EDTSunrise5:39am
EDTSunset8:01pm
EDTLast light8:29pm
EDTMoon phase
Next OccurrenceMoon riseThu
3:44am
EDTMoon setThu
6:39pm
EDTNew moonNew moon Sat
Dec 20
First quarterFirst quarter Sun
Dec 28
Full moonFull moon Sat
Jan 03
Last quarterLast quarter Sun
Jan 11
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Warnings
Weather Warnings
Wed 2:47pm UTC Severe weather advice NSWWed 2:47pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:47 PM EDT on Wednesday 17 December 2025
Valid for Wednesday 17 December 2025 to Saturday 20 December 2025
Warning for the following areas:
South Coast
Warning for the following areas:
Mid North Coast, Hunter, Northern Tablelands, Metropolitan, Illawarra, Central Tablelands, Southern Tablelands, Snowy Mountains, North West Slopes and Plains, South West Slopes and Riverina
Safety Advice:
Extreme heatwaves can be dangerous for everyone.
Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell.
Seek a place to keep cool, such as your home, a library, community centre or shopping centre.
Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home.
If available, use fans or air-conditioners to keep cool.
Over southern inland areas maximum temperatures in the high thirties to low forties, and overnight minimum temperatures in the high teens to mid twenties. About the southern coast and ranges maximum temperatures generally in the mid to high thirties with overnight minimum temperatures generally in the mid to high teens.
Severe to Extreme heatwave conditions developing over the south of the state are expected to extend north over the next few days before beginning to ease from the south over the weekend.
Locations likely to be impacted include Albury, Camden, Campbelltown, Goulburn, Hornsby, Liverpool, Nowra, Richmond, Wollongong and Wagga Wagga.
The next heatwave warning will be issued by 3:00pm EDT on Thursday 18 December 2025Wed 2:47pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:47 PM EDT on Wednesday 17 December 2025
Valid for Wednesday 17 December 2025 to Saturday 20 December 2025
Warning for the following areas:
South Coast
Warning for the following areas:
Mid North Coast, Hunter, Northern Tablelands, Metropolitan, Illawarra, Central Tablelands, Southern Tablelands, Snowy Mountains, North West Slopes and Plains, South West Slopes and Riverina
Safety Advice:
Extreme heatwaves can be dangerous for everyone.
Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell.
Seek a place to keep cool, such as your home, a library, community centre or shopping centre.
Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home.
If available, use fans or air-conditioners to keep cool.
Over southern inland areas maximum temperatures in the high thirties to low forties, and overnight minimum temperatures in the high teens to mid twenties. About the southern coast and ranges maximum temperatures generally in the mid to high thirties with overnight minimum temperatures generally in the mid to high teens.
Severe to Extreme heatwave conditions developing over the south of the state are expected to extend north over the next few days before beginning to ease from the south over the weekend.
Locations likely to be impacted include Albury, Camden, Campbelltown, Goulburn, Hornsby, Liverpool, Nowra, Richmond, Wollongong and Wagga Wagga.
The next heatwave warning will be issued by 3:00pm EDT on Thursday 18 December 2025Wed 2:47pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:47 PM EDT on Wednesday 17 December 2025
Valid for Wednesday 17 December 2025 to Saturday 20 December 2025
Warning for the following areas:
South Coast
Warning for the following areas:
Mid North Coast, Hunter, Northern Tablelands, Metropolitan, Illawarra, Central Tablelands, Southern Tablelands, Snowy Mountains, North West Slopes and Plains, South West Slopes and Riverina
Safety Advice:
Extreme heatwaves can be dangerous for everyone.
Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell.
Seek a place to keep cool, such as your home, a library, community centre or shopping centre.
Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home.
If available, use fans or air-conditioners to keep cool.
Over southern inland areas maximum temperatures in the high thirties to low forties, and overnight minimum temperatures in the high teens to mid twenties. About the southern coast and ranges maximum temperatures generally in the mid to high thirties with overnight minimum temperatures generally in the mid to high teens.
Severe to Extreme heatwave conditions developing over the south of the state are expected to extend north over the next few days before beginning to ease from the south over the weekend.
Locations likely to be impacted include Albury, Camden, Campbelltown, Goulburn, Hornsby, Liverpool, Nowra, Richmond, Wollongong and Wagga Wagga.
The next heatwave warning will be issued by 3:00pm EDT on Thursday 18 December 2025Wed 2:47pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:47 PM EDT on Wednesday 17 December 2025
Valid for Wednesday 17 December 2025 to Saturday 20 December 2025
Warning for the following areas:
South Coast
Warning for the following areas:
Mid North Coast, Hunter, Northern Tablelands, Metropolitan, Illawarra, Central Tablelands, Southern Tablelands, Snowy Mountains, North West Slopes and Plains, South West Slopes and Riverina
Safety Advice:
Extreme heatwaves can be dangerous for everyone.
Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell.
Seek a place to keep cool, such as your home, a library, community centre or shopping centre.
Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home.
If available, use fans or air-conditioners to keep cool.
Over southern inland areas maximum temperatures in the high thirties to low forties, and overnight minimum temperatures in the high teens to mid twenties. About the southern coast and ranges maximum temperatures generally in the mid to high thirties with overnight minimum temperatures generally in the mid to high teens.
Severe to Extreme heatwave conditions developing over the south of the state are expected to extend north over the next few days before beginning to ease from the south over the weekend.
Locations likely to be impacted include Albury, Camden, Campbelltown, Goulburn, Hornsby, Liverpool, Nowra, Richmond, Wollongong and Wagga Wagga.
The next heatwave warning will be issued by 3:00pm EDT on Thursday 18 December 2025Wed 2:47pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:47 PM EDT on Wednesday 17 December 2025
Valid for Wednesday 17 December 2025 to Saturday 20 December 2025
Warning for the following areas:
South Coast
Warning for the following areas:
Mid North Coast, Hunter, Northern Tablelands, Metropolitan, Illawarra, Central Tablelands, Southern Tablelands, Snowy Mountains, North West Slopes and Plains, South West Slopes and Riverina
Safety Advice:
Extreme heatwaves can be dangerous for everyone.
Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell.
Seek a place to keep cool, such as your home, a library, community centre or shopping centre.
Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home.
If available, use fans or air-conditioners to keep cool.
Over southern inland areas maximum temperatures in the high thirties to low forties, and overnight minimum temperatures in the high teens to mid twenties. About the southern coast and ranges maximum temperatures generally in the mid to high thirties with overnight minimum temperatures generally in the mid to high teens.
Severe to Extreme heatwave conditions developing over the south of the state are expected to extend north over the next few days before beginning to ease from the south over the weekend.
Locations likely to be impacted include Albury, Camden, Campbelltown, Goulburn, Hornsby, Liverpool, Nowra, Richmond, Wollongong and Wagga Wagga.
The next heatwave warning will be issued by 3:00pm EDT on Thursday 18 December 2025Wed 2:47pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:47 PM EDT on Wednesday 17 December 2025
Valid for Wednesday 17 December 2025 to Saturday 20 December 2025
Warning for the following areas:
South Coast
Warning for the following areas:
Mid North Coast, Hunter, Northern Tablelands, Metropolitan, Illawarra, Central Tablelands, Southern Tablelands, Snowy Mountains, North West Slopes and Plains, South West Slopes and Riverina
Safety Advice:
Extreme heatwaves can be dangerous for everyone.
Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell.
Seek a place to keep cool, such as your home, a library, community centre or shopping centre.
Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home.
If available, use fans or air-conditioners to keep cool.
Over southern inland areas maximum temperatures in the high thirties to low forties, and overnight minimum temperatures in the high teens to mid twenties. About the southern coast and ranges maximum temperatures generally in the mid to high thirties with overnight minimum temperatures generally in the mid to high teens.
Severe to Extreme heatwave conditions developing over the south of the state are expected to extend north over the next few days before beginning to ease from the south over the weekend.
Locations likely to be impacted include Albury, Camden, Campbelltown, Goulburn, Hornsby, Liverpool, Nowra, Richmond, Wollongong and Wagga Wagga.
The next heatwave warning will be issued by 3:00pm EDT on Thursday 18 December 2025Wed 2:47pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:47 PM EDT on Wednesday 17 December 2025
Valid for Wednesday 17 December 2025 to Saturday 20 December 2025
Warning for the following areas:
South Coast
Warning for the following areas:
Mid North Coast, Hunter, Northern Tablelands, Metropolitan, Illawarra, Central Tablelands, Southern Tablelands, Snowy Mountains, North West Slopes and Plains, South West Slopes and Riverina
Safety Advice:
Extreme heatwaves can be dangerous for everyone.
Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell.
Seek a place to keep cool, such as your home, a library, community centre or shopping centre.
Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home.
If available, use fans or air-conditioners to keep cool.
Over southern inland areas maximum temperatures in the high thirties to low forties, and overnight minimum temperatures in the high teens to mid twenties. About the southern coast and ranges maximum temperatures generally in the mid to high thirties with overnight minimum temperatures generally in the mid to high teens.
Severe to Extreme heatwave conditions developing over the south of the state are expected to extend north over the next few days before beginning to ease from the south over the weekend.
Locations likely to be impacted include Albury, Camden, Campbelltown, Goulburn, Hornsby, Liverpool, Nowra, Richmond, Wollongong and Wagga Wagga.
The next heatwave warning will be issued by 3:00pm EDT on Thursday 18 December 2025For extended forecasts and greater detail visit weather zone° -
Temperature for next 7 days
0 Thursday Thursday 32 1 Friday Friday 33 2 Saturday Saturday 29 3 Sunday Sunday 35 4 Monday Monday 32 5 Tuesday Tuesday 29 6 Wednesday Wednesday 28 7 Wednesday Wednesday 28 -
Rain for next 7 days
0 Thursday Thursday 0 1 Friday Friday 5 2 Saturday Saturday 5 3 Sunday Sunday 5 4 Monday Monday 0 5 Tuesday Tuesday 0 6 Wednesday Wednesday 0 7 Wednesday Wednesday 0
