Australian Government Bureau of Meteorology
Western Australia
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 01:37 PM WST on Friday 12 December 2025
Valid for Friday 12 December 2025 to Monday 15 December 2025
Warning for the following areas:
Gascoyne, Lower West, South West, South Coastal and Great Southern
Cancellation for the following areas:
South Interior
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 in the high thirties to mid forties and overnight minimum temperatures in the mid twenties over the Gascoyne.
Maximum temperatures ranging from the mid thirties to low forties and overnight minimum temperatures in the high teens to mid twenties over southwestern districts.
Severe heatwave conditions are expected to shift towards the southwest, intensify over the weekend, and persist over southern WA into next week.
Severe heatwave conditions over the South Interior have eased, however low intensity heatwave conditions may linger for the next few days. Locations likely to be impacted include the Perth Metropolitan Area, Collie, Gingin, Katanning, Meekatharra, Manjimup, Mount Barker, Narrogin, Wagin and Yanchep.
The next heatwave warning will be issued by 2:00pm WST on Saturday 13 December 2025
Forecast
Nulsen (33.8545°S, 121.8716°E, 20m AMSL) Nulsen,WA set as my default location ›
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Seven day forecast
Nulsen 7 day forecast
Today: Mostly sunny. Winds E 15 to 20 km/h becoming light before dawn then becoming E/SE 20 to 30 km/h in the morning. Daytime maximum temperatures 24 to 31.
Forecast for Nulsen (33.8545°S, 121.8716°E, 20m AMSL) Sat Sun Mon Tue Wed Thu Fri Summary 
Minimum 13° 13° 15° 22° 20° 17° 15° Maximum 25° 29° 34° 40° 25° 23° 23° Chance of rain 5% 5% 5% 10% 60% 30% 70% Likely amount < 1mm < 1mm < 1mm < 1mm < 1mm 1-5mm 1-5mm UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme Fire Danger Rating High High High Extreme - - - 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)26
(km/h)20
(km/h)32
(km/h)22
(km/h)19
(km/h)28
(km/h)14
(km/h)23
(km/h)25
(km/h)23
(km/h)26
(km/h)20
(km/h)27
(km/h)Wind direction SE SSE E ESE ENE E NNE NNE SW SSW S S ESE SE Relative humidity 59% 59% 53% 53% 44% 34% 29% 26% 69% 73% 65% 66% 56% 57% Dew point 13°C 14°C 13°C 16°C 13°C 14°C 13°C 15°C 18°C 17°C 14°C 14°C 11°C 12°C First light 4:06am 4:06am 4:07am 4:07am 4:07am 4:08am 4:08am Sunrise 4:35am 4:35am 4:36am 4:36am 4:36am 4:37am 4:37am Sunset 6:58pm 6:58pm 6:59pm 7:00pm 7:00pm 7:01pm 7:01pm Last light 7:27pm 7:27pm 7:28pm 7:29pm 7:29pm 7:30pm 7:31pm -
Warnings
Weather Warnings
Fri 1:37pm UTC Severe weather advice WAFri 1:37pm UTC Severe weather advice WAAustralian Government Bureau of Meteorology
Western Australia
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 01:37 PM WST on Friday 12 December 2025
Valid for Friday 12 December 2025 to Monday 15 December 2025
Warning for the following areas:
Gascoyne, Lower West, South West, South Coastal and Great Southern
Cancellation for the following areas:
South Interior
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 in the high thirties to mid forties and overnight minimum temperatures in the mid twenties over the Gascoyne.
Maximum temperatures ranging from the mid thirties to low forties and overnight minimum temperatures in the high teens to mid twenties over southwestern districts.
Severe heatwave conditions are expected to shift towards the southwest, intensify over the weekend, and persist over southern WA into next week.
Severe heatwave conditions over the South Interior have eased, however low intensity heatwave conditions may linger for the next few days. Locations likely to be impacted include the Perth Metropolitan Area, Collie, Gingin, Katanning, Meekatharra, Manjimup, Mount Barker, Narrogin, Wagin and Yanchep.
The next heatwave warning will be issued by 2:00pm WST on Saturday 13 December 2025Fri 1:37pm UTC Severe weather advice WAAustralian Government Bureau of Meteorology
Western Australia
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 01:37 PM WST on Friday 12 December 2025
Valid for Friday 12 December 2025 to Monday 15 December 2025
Warning for the following areas:
Gascoyne, Lower West, South West, South Coastal and Great Southern
Cancellation for the following areas:
South Interior
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 in the high thirties to mid forties and overnight minimum temperatures in the mid twenties over the Gascoyne.
Maximum temperatures ranging from the mid thirties to low forties and overnight minimum temperatures in the high teens to mid twenties over southwestern districts.
Severe heatwave conditions are expected to shift towards the southwest, intensify over the weekend, and persist over southern WA into next week.
Severe heatwave conditions over the South Interior have eased, however low intensity heatwave conditions may linger for the next few days. Locations likely to be impacted include the Perth Metropolitan Area, Collie, Gingin, Katanning, Meekatharra, Manjimup, Mount Barker, Narrogin, Wagin and Yanchep.
The next heatwave warning will be issued by 2:00pm WST on Saturday 13 December 2025Fri 1:37pm UTC Severe weather advice WAAustralian Government Bureau of Meteorology
Western Australia
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 01:37 PM WST on Friday 12 December 2025
Valid for Friday 12 December 2025 to Monday 15 December 2025
Warning for the following areas:
Gascoyne, Lower West, South West, South Coastal and Great Southern
Cancellation for the following areas:
South Interior
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 in the high thirties to mid forties and overnight minimum temperatures in the mid twenties over the Gascoyne.
Maximum temperatures ranging from the mid thirties to low forties and overnight minimum temperatures in the high teens to mid twenties over southwestern districts.
Severe heatwave conditions are expected to shift towards the southwest, intensify over the weekend, and persist over southern WA into next week.
Severe heatwave conditions over the South Interior have eased, however low intensity heatwave conditions may linger for the next few days. Locations likely to be impacted include the Perth Metropolitan Area, Collie, Gingin, Katanning, Meekatharra, Manjimup, Mount Barker, Narrogin, Wagin and Yanchep.
The next heatwave warning will be issued by 2:00pm WST on Saturday 13 December 2025Fri 1:37pm UTC Severe weather advice WAAustralian Government Bureau of Meteorology
Western Australia
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 01:37 PM WST on Friday 12 December 2025
Valid for Friday 12 December 2025 to Monday 15 December 2025
Warning for the following areas:
Gascoyne, Lower West, South West, South Coastal and Great Southern
Cancellation for the following areas:
South Interior
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 in the high thirties to mid forties and overnight minimum temperatures in the mid twenties over the Gascoyne.
Maximum temperatures ranging from the mid thirties to low forties and overnight minimum temperatures in the high teens to mid twenties over southwestern districts.
Severe heatwave conditions are expected to shift towards the southwest, intensify over the weekend, and persist over southern WA into next week.
Severe heatwave conditions over the South Interior have eased, however low intensity heatwave conditions may linger for the next few days. Locations likely to be impacted include the Perth Metropolitan Area, Collie, Gingin, Katanning, Meekatharra, Manjimup, Mount Barker, Narrogin, Wagin and Yanchep.
The next heatwave warning will be issued by 2:00pm WST on Saturday 13 December 2025Fri 1:37pm UTC Severe weather advice WAAustralian Government Bureau of Meteorology
Western Australia
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 01:37 PM WST on Friday 12 December 2025
Valid for Friday 12 December 2025 to Monday 15 December 2025
Warning for the following areas:
Gascoyne, Lower West, South West, South Coastal and Great Southern
Cancellation for the following areas:
South Interior
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 in the high thirties to mid forties and overnight minimum temperatures in the mid twenties over the Gascoyne.
Maximum temperatures ranging from the mid thirties to low forties and overnight minimum temperatures in the high teens to mid twenties over southwestern districts.
Severe heatwave conditions are expected to shift towards the southwest, intensify over the weekend, and persist over southern WA into next week.
Severe heatwave conditions over the South Interior have eased, however low intensity heatwave conditions may linger for the next few days. Locations likely to be impacted include the Perth Metropolitan Area, Collie, Gingin, Katanning, Meekatharra, Manjimup, Mount Barker, Narrogin, Wagin and Yanchep.
The next heatwave warning will be issued by 2:00pm WST on Saturday 13 December 2025Fri 1:37pm UTC Severe weather advice WAAustralian Government Bureau of Meteorology
Western Australia
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 01:37 PM WST on Friday 12 December 2025
Valid for Friday 12 December 2025 to Monday 15 December 2025
Warning for the following areas:
Gascoyne, Lower West, South West, South Coastal and Great Southern
Cancellation for the following areas:
South Interior
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 in the high thirties to mid forties and overnight minimum temperatures in the mid twenties over the Gascoyne.
Maximum temperatures ranging from the mid thirties to low forties and overnight minimum temperatures in the high teens to mid twenties over southwestern districts.
Severe heatwave conditions are expected to shift towards the southwest, intensify over the weekend, and persist over southern WA into next week.
Severe heatwave conditions over the South Interior have eased, however low intensity heatwave conditions may linger for the next few days. Locations likely to be impacted include the Perth Metropolitan Area, Collie, Gingin, Katanning, Meekatharra, Manjimup, Mount Barker, Narrogin, Wagin and Yanchep.
The next heatwave warning will be issued by 2:00pm WST on Saturday 13 December 2025Fri 1:37pm UTC Severe weather advice WAAustralian Government Bureau of Meteorology
Western Australia
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 01:37 PM WST on Friday 12 December 2025
Valid for Friday 12 December 2025 to Monday 15 December 2025
Warning for the following areas:
Gascoyne, Lower West, South West, South Coastal and Great Southern
Cancellation for the following areas:
South Interior
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 in the high thirties to mid forties and overnight minimum temperatures in the mid twenties over the Gascoyne.
Maximum temperatures ranging from the mid thirties to low forties and overnight minimum temperatures in the high teens to mid twenties over southwestern districts.
Severe heatwave conditions are expected to shift towards the southwest, intensify over the weekend, and persist over southern WA into next week.
Severe heatwave conditions over the South Interior have eased, however low intensity heatwave conditions may linger for the next few days. Locations likely to be impacted include the Perth Metropolitan Area, Collie, Gingin, Katanning, Meekatharra, Manjimup, Mount Barker, Narrogin, Wagin and Yanchep.
The next heatwave warning will be issued by 2:00pm WST on Saturday 13 December 2025For extended forecasts and greater detail visit weather zone° -
Sunrise and sunset times
Sunrise / Sunset for Nulsen (33.8545°S, 121.8716°E, 20m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase New moon First quarter 4:06am WST 4:35am WST 6:58pm WST 7:27pm WST 12:21am WST 12:56pm WST 
Waning crescent
New moon Dec 20 First quarter Dec 28 Nulsen sun & moon times
SaturdayFirst light4:06am
WSTSunrise4:35am
WSTSunset6:58pm
WSTLast light7:27pm
WSTMoon phase
Next OccurrenceMoon riseSat
12:21am
WSTMoon setSat
12:56pm
WSTNew moonNew moon Sat
Dec 20
First quarterFirst quarter Sun
Dec 28
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Temperature for next 5 days
0 Saturday Saturday 25 1 Sunday Sunday 29 2 Monday Monday 34 3 Tuesday Tuesday 40 4 Wednesday Wednesday 25 5 Thursday Thursday 23 6 Friday Friday 23 7 Friday Friday 23 -
Rain for next 5 days
0 Saturday Saturday 0 1 Sunday Sunday 0 2 Monday Monday 0 3 Tuesday Tuesday 0 4 Wednesday Wednesday 0 5 Thursday Thursday 5 6 Friday Friday 5 7 Friday Friday 5
