Australian Government Bureau of Meteorology
New South Wales
Marine Wind Warning Summary for New South Wales
Issued at 10:00 AM EDT on Sunday 21 December 2025
for the period until midnight EDT Monday 22 December 2025
Wind Warnings for Sunday 21 December
Strong Wind Warning for the following areas:
Byron Coast, Coffs Coast, Macquarie Coast, Hunter Coast, Sydney Coast, Batemans Coast and Eden Coast
Wind Warnings for Monday 22 December
Gale Warning for the following areas:
Eden Coast
Strong Wind Warning for the following areas:
Byron Coast, Coffs Coast, Macquarie Coast and Hunter Coast
The next marine wind warning summary will be issued by 4:05 pm EDT Sunday.
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Check the latest Coastal Waters Forecast or Local
Waters Forecast at http://www.bom.gov.au/nsw/forecasts/map.shtml for information on wind,
wave and weather conditions for these coastal zones.
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Forecast
Merimbula (36.8878°S, 149.9106°E, 0m AMSL) Merimbula,NSW set as my default location ›
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7 day forecast
Merimbula 7 day forecast
Today: Cloudy. Very high chance of rain, most likely in the afternoon and evening. The chance of a thunderstorm in the afternoon and evening, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding. Light winds becoming N/NE 15 to 25 km/h in the early afternoon then tending N/NW in the evening. Daytime maximum temperatures 24 to 29.
Forecast for Merimbula (36.8878°S, 149.9106°E, 0m AMSL) Sun Mon Tue Wed Thu Fri Sat Summary 
Minimum 16° 15° 14° 13° 13° 11° 10° Maximum 25° 26° 24° 23° 22° 21° 22° Chance of rain 90% 50% 40% 5% 5% 5% 5% Likely amount 5-10mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme Fire Danger Rating Moderate Moderate Moderate Moderate - - - 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)11
(km/h)19
(km/h)20
(km/h)6
(km/h)25
(km/h)6
(km/h)18
(km/h)23
(km/h)27
(km/h)15
(km/h)20
(km/h)7
(km/h)15
(km/h)Wind direction SE ENE SW S SW SSW S SE WSW SW WSW SSW SSE ESE Relative humidity 94% 95% 60% 48% 68% 47% 63% 59% 46% 40% 51% 47% 59% 58% Dew point 18°C 20°C 12°C 13°C 13°C 11°C 12°C 14°C 6°C 7°C 7°C 8°C 9°C 12°C First light 5:06am 5:07am 5:07am 5:08am 5:09am 5:09am 5:10am Sunrise 5:37am 5:38am 5:38am 5:39am 5:39am 5:40am 5:41am Sunset 8:19pm 8:20pm 8:20pm 8:21pm 8:21pm 8:21pm 8:22pm Last light 8:50pm 8:50pm 8:51pm 8:51pm 8:52pm 8:52pm 8:53pm -
Sunrise and sunset times
Sunrise / Sunset for Merimbula (36.8878°S, 149.9106°E, 0m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase First quarter Full moon Last quarter New moon 5:06am EDT 5:37am EDT 8:19pm EDT 8:50pm EDT 6:03am EDT 9:35pm EDT 
Waxing crescent
First quarter Dec 28 Full moon Jan 03 Last quarter Jan 11 New moon Jan 19 Merimbula sun & moon times
SundayFirst light5:06am
EDTSunrise5:37am
EDTSunset8:19pm
EDTLast light8:50pm
EDTMoon phase
Next OccurrenceMoon riseSun
6:03am
EDTMoon setSun
9:35pm
EDTFirst quarterFirst quarter Sun
Dec 28
Full moonFull moon Sat
Jan 03
Last quarterLast quarter Sun
Jan 11
New moonNew moon Mon
Jan 19
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Warnings
Weather Warnings
Sun 10:00am UTC Coastal wind warning NSWSat 2:43pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:43 PM EDT on Saturday 20 December 2025
Valid for Saturday 20 December 2025 to Tuesday 23 December 2025
Warning for the following areas:
Northern Rivers, Mid North Coast, Hunter and Metropolitan
Warning for the following areas:
Northern Tablelands, Illawarra, South Coast, Central Tablelands, Southern Tablelands, Snowy Mountains, North West Slopes and Plains, Central West Slopes and Plains, South West Slopes, Riverina, Lower Western and Upper Western
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.
In northern districts expect maximum temperatures in the high thirties to low forties and overnight minimum temperatures in the mid teens to mid twenties. Heatwave conditions are expected to contract to the east over the coming week.
About the south and ranges, and along the coast, maximum temperatures in the mid twenties to high thirties. Overnight minimum temperatures generally in the mid teens to low twenties. Temperatures continue to decrease over the weekend, with severe heatwave conditions expected ease towards the middle of next week. Locations likely to be impacted include Sydney, Armidale, Batemans Bay, Goulburn, Moree, Nowra, Orange, Tamworth, Wollongong and Yass.
The next heatwave warning will be issued by 3:00pm EDT on Sunday 21 December 2025Sat 2:43pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:43 PM EDT on Saturday 20 December 2025
Valid for Saturday 20 December 2025 to Tuesday 23 December 2025
Warning for the following areas:
Northern Rivers, Mid North Coast, Hunter and Metropolitan
Warning for the following areas:
Northern Tablelands, Illawarra, South Coast, Central Tablelands, Southern Tablelands, Snowy Mountains, North West Slopes and Plains, Central West Slopes and Plains, South West Slopes, Riverina, Lower Western and Upper Western
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.
In northern districts expect maximum temperatures in the high thirties to low forties and overnight minimum temperatures in the mid teens to mid twenties. Heatwave conditions are expected to contract to the east over the coming week.
About the south and ranges, and along the coast, maximum temperatures in the mid twenties to high thirties. Overnight minimum temperatures generally in the mid teens to low twenties. Temperatures continue to decrease over the weekend, with severe heatwave conditions expected ease towards the middle of next week. Locations likely to be impacted include Sydney, Armidale, Batemans Bay, Goulburn, Moree, Nowra, Orange, Tamworth, Wollongong and Yass.
The next heatwave warning will be issued by 3:00pm EDT on Sunday 21 December 2025Sat 2:43pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:43 PM EDT on Saturday 20 December 2025
Valid for Saturday 20 December 2025 to Tuesday 23 December 2025
Warning for the following areas:
Northern Rivers, Mid North Coast, Hunter and Metropolitan
Warning for the following areas:
Northern Tablelands, Illawarra, South Coast, Central Tablelands, Southern Tablelands, Snowy Mountains, North West Slopes and Plains, Central West Slopes and Plains, South West Slopes, Riverina, Lower Western and Upper Western
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.
In northern districts expect maximum temperatures in the high thirties to low forties and overnight minimum temperatures in the mid teens to mid twenties. Heatwave conditions are expected to contract to the east over the coming week.
About the south and ranges, and along the coast, maximum temperatures in the mid twenties to high thirties. Overnight minimum temperatures generally in the mid teens to low twenties. Temperatures continue to decrease over the weekend, with severe heatwave conditions expected ease towards the middle of next week. Locations likely to be impacted include Sydney, Armidale, Batemans Bay, Goulburn, Moree, Nowra, Orange, Tamworth, Wollongong and Yass.
The next heatwave warning will be issued by 3:00pm EDT on Sunday 21 December 2025Sat 2:43pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:43 PM EDT on Saturday 20 December 2025
Valid for Saturday 20 December 2025 to Tuesday 23 December 2025
Warning for the following areas:
Northern Rivers, Mid North Coast, Hunter and Metropolitan
Warning for the following areas:
Northern Tablelands, Illawarra, South Coast, Central Tablelands, Southern Tablelands, Snowy Mountains, North West Slopes and Plains, Central West Slopes and Plains, South West Slopes, Riverina, Lower Western and Upper Western
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.
In northern districts expect maximum temperatures in the high thirties to low forties and overnight minimum temperatures in the mid teens to mid twenties. Heatwave conditions are expected to contract to the east over the coming week.
About the south and ranges, and along the coast, maximum temperatures in the mid twenties to high thirties. Overnight minimum temperatures generally in the mid teens to low twenties. Temperatures continue to decrease over the weekend, with severe heatwave conditions expected ease towards the middle of next week. Locations likely to be impacted include Sydney, Armidale, Batemans Bay, Goulburn, Moree, Nowra, Orange, Tamworth, Wollongong and Yass.
The next heatwave warning will be issued by 3:00pm EDT on Sunday 21 December 2025Sat 2:43pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:43 PM EDT on Saturday 20 December 2025
Valid for Saturday 20 December 2025 to Tuesday 23 December 2025
Warning for the following areas:
Northern Rivers, Mid North Coast, Hunter and Metropolitan
Warning for the following areas:
Northern Tablelands, Illawarra, South Coast, Central Tablelands, Southern Tablelands, Snowy Mountains, North West Slopes and Plains, Central West Slopes and Plains, South West Slopes, Riverina, Lower Western and Upper Western
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.
In northern districts expect maximum temperatures in the high thirties to low forties and overnight minimum temperatures in the mid teens to mid twenties. Heatwave conditions are expected to contract to the east over the coming week.
About the south and ranges, and along the coast, maximum temperatures in the mid twenties to high thirties. Overnight minimum temperatures generally in the mid teens to low twenties. Temperatures continue to decrease over the weekend, with severe heatwave conditions expected ease towards the middle of next week. Locations likely to be impacted include Sydney, Armidale, Batemans Bay, Goulburn, Moree, Nowra, Orange, Tamworth, Wollongong and Yass.
The next heatwave warning will be issued by 3:00pm EDT on Sunday 21 December 2025Sat 2:43pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:43 PM EDT on Saturday 20 December 2025
Valid for Saturday 20 December 2025 to Tuesday 23 December 2025
Warning for the following areas:
Northern Rivers, Mid North Coast, Hunter and Metropolitan
Warning for the following areas:
Northern Tablelands, Illawarra, South Coast, Central Tablelands, Southern Tablelands, Snowy Mountains, North West Slopes and Plains, Central West Slopes and Plains, South West Slopes, Riverina, Lower Western and Upper Western
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.
In northern districts expect maximum temperatures in the high thirties to low forties and overnight minimum temperatures in the mid teens to mid twenties. Heatwave conditions are expected to contract to the east over the coming week.
About the south and ranges, and along the coast, maximum temperatures in the mid twenties to high thirties. Overnight minimum temperatures generally in the mid teens to low twenties. Temperatures continue to decrease over the weekend, with severe heatwave conditions expected ease towards the middle of next week. Locations likely to be impacted include Sydney, Armidale, Batemans Bay, Goulburn, Moree, Nowra, Orange, Tamworth, Wollongong and Yass.
The next heatwave warning will be issued by 3:00pm EDT on Sunday 21 December 2025Sat 2:43pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:43 PM EDT on Saturday 20 December 2025
Valid for Saturday 20 December 2025 to Tuesday 23 December 2025
Warning for the following areas:
Northern Rivers, Mid North Coast, Hunter and Metropolitan
Warning for the following areas:
Northern Tablelands, Illawarra, South Coast, Central Tablelands, Southern Tablelands, Snowy Mountains, North West Slopes and Plains, Central West Slopes and Plains, South West Slopes, Riverina, Lower Western and Upper Western
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.
In northern districts expect maximum temperatures in the high thirties to low forties and overnight minimum temperatures in the mid teens to mid twenties. Heatwave conditions are expected to contract to the east over the coming week.
About the south and ranges, and along the coast, maximum temperatures in the mid twenties to high thirties. Overnight minimum temperatures generally in the mid teens to low twenties. Temperatures continue to decrease over the weekend, with severe heatwave conditions expected ease towards the middle of next week. Locations likely to be impacted include Sydney, Armidale, Batemans Bay, Goulburn, Moree, Nowra, Orange, Tamworth, Wollongong and Yass.
The next heatwave warning will be issued by 3:00pm EDT on Sunday 21 December 2025Sat 2:43pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:43 PM EDT on Saturday 20 December 2025
Valid for Saturday 20 December 2025 to Tuesday 23 December 2025
Warning for the following areas:
Northern Rivers, Mid North Coast, Hunter and Metropolitan
Warning for the following areas:
Northern Tablelands, Illawarra, South Coast, Central Tablelands, Southern Tablelands, Snowy Mountains, North West Slopes and Plains, Central West Slopes and Plains, South West Slopes, Riverina, Lower Western and Upper Western
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.
In northern districts expect maximum temperatures in the high thirties to low forties and overnight minimum temperatures in the mid teens to mid twenties. Heatwave conditions are expected to contract to the east over the coming week.
About the south and ranges, and along the coast, maximum temperatures in the mid twenties to high thirties. Overnight minimum temperatures generally in the mid teens to low twenties. Temperatures continue to decrease over the weekend, with severe heatwave conditions expected ease towards the middle of next week. Locations likely to be impacted include Sydney, Armidale, Batemans Bay, Goulburn, Moree, Nowra, Orange, Tamworth, Wollongong and Yass.
The next heatwave warning will be issued by 3:00pm EDT on Sunday 21 December 2025For extended forecasts and greater detail visit weather zone°- Strong Wind Warning for Byron, Coffs, Macquarie, Hunter, Sydney, Batemans and Eden coasts
- Heatwave Warning New South Wales
- Heatwave Warning New South Wales
- Heatwave Warning New South Wales
- Heatwave Warning New South Wales
- Heatwave Warning New South Wales
- Heatwave Warning New South Wales
- Heatwave Warning New South Wales
- Heatwave Warning New South Wales
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Temperature for next 7 days
0 Sunday Sunday 25 1 Monday Monday 26 2 Tuesday Tuesday 24 3 Wednesday Wednesday 23 4 Thursday Thursday 22 5 Friday Friday 21 6 Saturday Saturday 22 7 Saturday Saturday 22 -
Rain for next 7 days
0 Sunday Sunday 10 1 Monday Monday 0 2 Tuesday Tuesday 0 3 Wednesday Wednesday 0 4 Thursday Thursday 0 5 Friday Friday 0 6 Saturday Saturday 0 7 Saturday Saturday 0
