Australian Government Bureau of Meteorology
New South Wales
Marine Wind Warning Summary for New South Wales
Issued at 10:00 PM EDT on Monday 22 December 2025
for the period until midnight EDT Tuesday 23 December 2025
Wind Warnings for Monday 22 December
Cancellation for the following areas:
Byron Coast and Eden Coast
Wind Warnings for Tuesday 23 December
Strong Wind Warning for the following areas:
Sydney Enclosed Waters, Hunter Coast, Sydney Coast, Illawarra Coast, Batemans Coast and Eden Coast
The next marine wind warning summary will be issued by 4:00 am EDT Tuesday.
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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
Montecollum (28.5891°S, 153.4644°E, 131m AMSL) Montecollum,NSW set as my default location ›
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7 day forecast
Montecollum 7 day forecast
Today: Partly cloudy. High chance of showers. A thunderstorm likely in the afternoon and evening, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding. Light winds. Overnight temperatures falling to the low 20s with daytime temperatures reaching the low 30s.
Forecast for Montecollum (28.5891°S, 153.4644°E, 131m AMSL) Tue Wed Thu Fri Sat Sun Mon Summary 
Minimum 24° 22° 21° 21° 19° 18° 18° Maximum 29° 27° 29° 25° 24° 25° 25° Chance of rain 90% 90% 90% 80% 70% 60% 90% Likely amount 20-40mm 1-5mm 10-20mm 1-5mm 1-5mm 1-5mm 1-5mm 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 12
(km/h)14
(km/h)17
(km/h)15
(km/h)7
(km/h)20
(km/h)28
(km/h)25
(km/h)20
(km/h)21
(km/h)18
(km/h)25
(km/h)18
(km/h)22
(km/h)Wind direction NNW NNE SSW SE NNE SSE SSE SSE SSE SE S SSE S SSE Relative humidity 81% 82% 88% 79% 80% 77% 76% 72% 75% 69% 72% 61% 68% 59% Dew point 24°C 25°C 22°C 23°C 23°C 23°C 19°C 20°C 16°C 18°C 16°C 17°C 15°C 17°C First light 5:18am 5:19am 5:19am 5:20am 5:20am 5:21am 5:22am Sunrise 5:45am 5:46am 5:46am 5:47am 5:47am 5:48am 5:48am Sunset 7:43pm 7:44pm 7:44pm 7:45pm 7:45pm 7:46pm 7:46pm Last light 8:10pm 8:11pm 8:11pm 8:12pm 8:12pm 8:12pm 8:13pm -
Sunrise and sunset times
Sunrise / Sunset for Montecollum (28.5891°S, 153.4644°E, 131m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase First quarter Full moon Last quarter New moon 5:18am EDT 5:45am EDT 7:43pm EDT 8:10pm EDT 8:11am EDT 10:15pm EDT 
Waxing crescent
First quarter Dec 28 Full moon Jan 03 Last quarter Jan 11 New moon Jan 19 Montecollum sun & moon times
TuesdayFirst light5:18am
EDTSunrise5:45am
EDTSunset7:43pm
EDTLast light8:10pm
EDTMoon phase
Next OccurrenceMoon riseTue
8:11am
EDTMoon setTue
10:15pm
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
Mon 10:00pm UTC Coastal wind warning NSWMon 8:46pm UTC Severe thunderstorm advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Severe Thunderstorm Warning
for Heavy Rainfall And Damaging Winds
for parts of Northern Rivers, North West Slopes and Plains and Upper Western Forecast Districts.
Issued at 8:46 pm Monday, 22 December 2025.
Severe thunderstorms continuing about parts of northern New South Wales this evening.
Weather Situation
A cold front combined with humid and unstable atmospheric conditions is generating isolated severe thunderstorms across northern parts of the state this evening.
HEAVY RAINFALL and DAMAGING WINDS for the following areas:
Northern Rivers, North West Slopes and Plains and Upper Western
Severe thunderstorms are likely to produce heavy rainfall that may lead to flash flooding and possible damaging winds in the warning area over the next several hours. Locations which may be affected include Yamba, Evans Head, Wee Waa, Maclean, Coraki and Rappville.
Severe thunderstorms are no longer occurring in the Northern Tablelands district and the warning for this district is CANCELLED.
48 mm was recorded at Bellingen in the 30 minutes to 4:48 pm.
Cancellation for the following areas:
Northern Tablelands
The State Emergency Service advises that people should:
* Park your car under secure cover and away from trees, powerlines and drains.
* Secure or put away loose items around your house, yard and balcony.
* Keep at least 8 metres away from fallen power lines or objects that may be energised, such as fences.
* Report fallen power lines to either Ausgrid (131 388), Endeavour Energy (131 003), Essential Energy (132 080) or Evoenergy (131 093) as shown on your power bill.
* Keep clear of creeks and storm drains.
* Don't walk, ride your bike or drive through flood water.
* If you are trapped by flash flooding, seek refuge in the highest available place and ring 000 if you need rescue.
* Stay indoors away from windows, and keep children and pets indoors as well.
For emergency help in flood and storms, ring the SES on 132 500.
Stay updated on the Hazards Near Me NSW app or the ACT ESA website (https://esa.gov.au).
The next warning is due to be issued by 11:50 pm.
Check https://www.bom.gov.au/weather-and-climate/warnings-and-alerts. Warnings are also available through TV and Radio broadcasts or call 1300 659 210. The Bureau and State Emergency Service would appreciate warnings being broadcast regularly.Mon 8:46pm UTC Severe thunderstorm advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Severe Thunderstorm Warning
for Heavy Rainfall And Damaging Winds
for parts of Northern Rivers, North West Slopes and Plains and Upper Western Forecast Districts.
Issued at 8:46 pm Monday, 22 December 2025.
Severe thunderstorms continuing about parts of northern New South Wales this evening.
Weather Situation
A cold front combined with humid and unstable atmospheric conditions is generating isolated severe thunderstorms across northern parts of the state this evening.
HEAVY RAINFALL and DAMAGING WINDS for the following areas:
Northern Rivers, North West Slopes and Plains and Upper Western
Severe thunderstorms are likely to produce heavy rainfall that may lead to flash flooding and possible damaging winds in the warning area over the next several hours. Locations which may be affected include Yamba, Evans Head, Wee Waa, Maclean, Coraki and Rappville.
Severe thunderstorms are no longer occurring in the Northern Tablelands district and the warning for this district is CANCELLED.
48 mm was recorded at Bellingen in the 30 minutes to 4:48 pm.
Cancellation for the following areas:
Northern Tablelands
The State Emergency Service advises that people should:
* Park your car under secure cover and away from trees, powerlines and drains.
* Secure or put away loose items around your house, yard and balcony.
* Keep at least 8 metres away from fallen power lines or objects that may be energised, such as fences.
* Report fallen power lines to either Ausgrid (131 388), Endeavour Energy (131 003), Essential Energy (132 080) or Evoenergy (131 093) as shown on your power bill.
* Keep clear of creeks and storm drains.
* Don't walk, ride your bike or drive through flood water.
* If you are trapped by flash flooding, seek refuge in the highest available place and ring 000 if you need rescue.
* Stay indoors away from windows, and keep children and pets indoors as well.
For emergency help in flood and storms, ring the SES on 132 500.
Stay updated on the Hazards Near Me NSW app or the ACT ESA website (https://esa.gov.au).
The next warning is due to be issued by 11:50 pm.
Check https://www.bom.gov.au/weather-and-climate/warnings-and-alerts. Warnings are also available through TV and Radio broadcasts or call 1300 659 210. The Bureau and State Emergency Service would appreciate warnings being broadcast regularly.Mon 2:54pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:54 PM EDT on Monday 22 December 2025
Valid for Monday 22 December 2025 to Tuesday 23 December 2025
Warning for the following areas:
Northern Rivers, Mid North Coast, Hunter, Northern Tablelands, Metropolitan and North West Slopes and Plains
Cancellation for the following areas:
Illawarra, Central Tablelands, Southern Tablelands, Central West Slopes and Plains and South Coast
Safety Advice:
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.
Maximum temperatures are in the mid to high thirties and overnight minimum temperatures in the mid teens to mid twenties. Heatwave conditions are expected to continue to contract to the northeast of the State over the coming days.
Severe heatwave conditions have eased about the southern coastal areas and the central ranges. Maximum temperatures are in the mid to high twenties with overnight minimum temperatures ranging from around ten degrees across the central ranges to the mid teens closer to the coast. Low intensity heatwave conditions may still affect these areas over the coming days. Locations likely to be impacted include Sydney, Armidale, Grafton, Gosford, Hornsby, Lismore, Liverpool, Mona Vale, Richmond and Taree.
The next heatwave warning will be issued by 3:00pm EDT on Tuesday 23 December 2025Mon 2:54pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:54 PM EDT on Monday 22 December 2025
Valid for Monday 22 December 2025 to Tuesday 23 December 2025
Warning for the following areas:
Northern Rivers, Mid North Coast, Hunter, Northern Tablelands, Metropolitan and North West Slopes and Plains
Cancellation for the following areas:
Illawarra, Central Tablelands, Southern Tablelands, Central West Slopes and Plains and South Coast
Safety Advice:
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.
Maximum temperatures are in the mid to high thirties and overnight minimum temperatures in the mid teens to mid twenties. Heatwave conditions are expected to continue to contract to the northeast of the State over the coming days.
Severe heatwave conditions have eased about the southern coastal areas and the central ranges. Maximum temperatures are in the mid to high twenties with overnight minimum temperatures ranging from around ten degrees across the central ranges to the mid teens closer to the coast. Low intensity heatwave conditions may still affect these areas over the coming days. Locations likely to be impacted include Sydney, Armidale, Grafton, Gosford, Hornsby, Lismore, Liverpool, Mona Vale, Richmond and Taree.
The next heatwave warning will be issued by 3:00pm EDT on Tuesday 23 December 2025Mon 2:54pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:54 PM EDT on Monday 22 December 2025
Valid for Monday 22 December 2025 to Tuesday 23 December 2025
Warning for the following areas:
Northern Rivers, Mid North Coast, Hunter, Northern Tablelands, Metropolitan and North West Slopes and Plains
Cancellation for the following areas:
Illawarra, Central Tablelands, Southern Tablelands, Central West Slopes and Plains and South Coast
Safety Advice:
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.
Maximum temperatures are in the mid to high thirties and overnight minimum temperatures in the mid teens to mid twenties. Heatwave conditions are expected to continue to contract to the northeast of the State over the coming days.
Severe heatwave conditions have eased about the southern coastal areas and the central ranges. Maximum temperatures are in the mid to high twenties with overnight minimum temperatures ranging from around ten degrees across the central ranges to the mid teens closer to the coast. Low intensity heatwave conditions may still affect these areas over the coming days. Locations likely to be impacted include Sydney, Armidale, Grafton, Gosford, Hornsby, Lismore, Liverpool, Mona Vale, Richmond and Taree.
The next heatwave warning will be issued by 3:00pm EDT on Tuesday 23 December 2025Mon 2:54pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:54 PM EDT on Monday 22 December 2025
Valid for Monday 22 December 2025 to Tuesday 23 December 2025
Warning for the following areas:
Northern Rivers, Mid North Coast, Hunter, Northern Tablelands, Metropolitan and North West Slopes and Plains
Cancellation for the following areas:
Illawarra, Central Tablelands, Southern Tablelands, Central West Slopes and Plains and South Coast
Safety Advice:
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.
Maximum temperatures are in the mid to high thirties and overnight minimum temperatures in the mid teens to mid twenties. Heatwave conditions are expected to continue to contract to the northeast of the State over the coming days.
Severe heatwave conditions have eased about the southern coastal areas and the central ranges. Maximum temperatures are in the mid to high twenties with overnight minimum temperatures ranging from around ten degrees across the central ranges to the mid teens closer to the coast. Low intensity heatwave conditions may still affect these areas over the coming days. Locations likely to be impacted include Sydney, Armidale, Grafton, Gosford, Hornsby, Lismore, Liverpool, Mona Vale, Richmond and Taree.
The next heatwave warning will be issued by 3:00pm EDT on Tuesday 23 December 2025Mon 2:54pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:54 PM EDT on Monday 22 December 2025
Valid for Monday 22 December 2025 to Tuesday 23 December 2025
Warning for the following areas:
Northern Rivers, Mid North Coast, Hunter, Northern Tablelands, Metropolitan and North West Slopes and Plains
Cancellation for the following areas:
Illawarra, Central Tablelands, Southern Tablelands, Central West Slopes and Plains and South Coast
Safety Advice:
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.
Maximum temperatures are in the mid to high thirties and overnight minimum temperatures in the mid teens to mid twenties. Heatwave conditions are expected to continue to contract to the northeast of the State over the coming days.
Severe heatwave conditions have eased about the southern coastal areas and the central ranges. Maximum temperatures are in the mid to high twenties with overnight minimum temperatures ranging from around ten degrees across the central ranges to the mid teens closer to the coast. Low intensity heatwave conditions may still affect these areas over the coming days. Locations likely to be impacted include Sydney, Armidale, Grafton, Gosford, Hornsby, Lismore, Liverpool, Mona Vale, Richmond and Taree.
The next heatwave warning will be issued by 3:00pm EDT on Tuesday 23 December 2025Mon 2:54pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:54 PM EDT on Monday 22 December 2025
Valid for Monday 22 December 2025 to Tuesday 23 December 2025
Warning for the following areas:
Northern Rivers, Mid North Coast, Hunter, Northern Tablelands, Metropolitan and North West Slopes and Plains
Cancellation for the following areas:
Illawarra, Central Tablelands, Southern Tablelands, Central West Slopes and Plains and South Coast
Safety Advice:
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.
Maximum temperatures are in the mid to high thirties and overnight minimum temperatures in the mid teens to mid twenties. Heatwave conditions are expected to continue to contract to the northeast of the State over the coming days.
Severe heatwave conditions have eased about the southern coastal areas and the central ranges. Maximum temperatures are in the mid to high twenties with overnight minimum temperatures ranging from around ten degrees across the central ranges to the mid teens closer to the coast. Low intensity heatwave conditions may still affect these areas over the coming days. Locations likely to be impacted include Sydney, Armidale, Grafton, Gosford, Hornsby, Lismore, Liverpool, Mona Vale, Richmond and Taree.
The next heatwave warning will be issued by 3:00pm EDT on Tuesday 23 December 2025Mon 2:54pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:54 PM EDT on Monday 22 December 2025
Valid for Monday 22 December 2025 to Tuesday 23 December 2025
Warning for the following areas:
Northern Rivers, Mid North Coast, Hunter, Northern Tablelands, Metropolitan and North West Slopes and Plains
Cancellation for the following areas:
Illawarra, Central Tablelands, Southern Tablelands, Central West Slopes and Plains and South Coast
Safety Advice:
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.
Maximum temperatures are in the mid to high thirties and overnight minimum temperatures in the mid teens to mid twenties. Heatwave conditions are expected to continue to contract to the northeast of the State over the coming days.
Severe heatwave conditions have eased about the southern coastal areas and the central ranges. Maximum temperatures are in the mid to high twenties with overnight minimum temperatures ranging from around ten degrees across the central ranges to the mid teens closer to the coast. Low intensity heatwave conditions may still affect these areas over the coming days. Locations likely to be impacted include Sydney, Armidale, Grafton, Gosford, Hornsby, Lismore, Liverpool, Mona Vale, Richmond and Taree.
The next heatwave warning will be issued by 3:00pm EDT on Tuesday 23 December 2025Mon 2:54pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:54 PM EDT on Monday 22 December 2025
Valid for Monday 22 December 2025 to Tuesday 23 December 2025
Warning for the following areas:
Northern Rivers, Mid North Coast, Hunter, Northern Tablelands, Metropolitan and North West Slopes and Plains
Cancellation for the following areas:
Illawarra, Central Tablelands, Southern Tablelands, Central West Slopes and Plains and South Coast
Safety Advice:
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.
Maximum temperatures are in the mid to high thirties and overnight minimum temperatures in the mid teens to mid twenties. Heatwave conditions are expected to continue to contract to the northeast of the State over the coming days.
Severe heatwave conditions have eased about the southern coastal areas and the central ranges. Maximum temperatures are in the mid to high twenties with overnight minimum temperatures ranging from around ten degrees across the central ranges to the mid teens closer to the coast. Low intensity heatwave conditions may still affect these areas over the coming days. Locations likely to be impacted include Sydney, Armidale, Grafton, Gosford, Hornsby, Lismore, Liverpool, Mona Vale, Richmond and Taree.
The next heatwave warning will be issued by 3:00pm EDT on Tuesday 23 December 2025For extended forecasts and greater detail visit weather zone°- Cancellation of Wind Warning for Byron and Eden coasts
- Severe Thunderstorm Warning (Heavy Rainfall & Damaging Winds) for parts of Northern Rivers, North West Slopes & Plains & Upper Western
- Severe Thunderstorm Warning (Heavy Rainfall & Damaging Winds) for parts of Northern Rivers, North West Slopes & Plains & Upper Western
- 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 Tuesday Tuesday 29 1 Wednesday Wednesday 27 2 Thursday Thursday 29 3 Friday Friday 25 4 Saturday Saturday 24 5 Sunday Sunday 25 6 Monday Monday 25 7 Monday Monday 25 -
Rain for next 7 days
0 Tuesday Tuesday 40 1 Wednesday Wednesday 5 2 Thursday Thursday 20 3 Friday Friday 5 4 Saturday Saturday 5 5 Sunday Sunday 5 6 Monday Monday 5 7 Monday Monday 5
