Australian Government Bureau of Meteorology
Tropical Cyclone Advice
Tropical Cyclone Warning Centre
Transmitters serving the Onslow, Exmouth, Ningaloo, and Coral Bay areas are requested to USE the Standard Emergency Warning Signal before broadcasting the following warning
TOP PRIORITY FOR IMMEDIATE BROADCAST
TROPICAL CYCLONE ADVICE NUMBER 41
Issued at 07:59 PM WST on Sunday 08 February 2026
Headline:
Tropical Cyclone Mitchell (21U), category 2, currently located near the North West Cape impacting the Onslow and Exmouth regions. Forecast to move down the Ningaloo and Gascoyne coasts towards Carnarvon on Monday.
Areas Affected:
Warning zone: Onslow to Overlander Roadhouse, including Exmouth, Carnarvon, and Denham, and extending inland through the western Pilbara and western Gascoyne including Gascoyne Junction.
Watch zone: None.
Cancelled zone: None.
Details of Tropical Cyclone Mitchell 21U at 8:00 pm AWST:
Intensity: Category 2, sustained winds near the centre of 110 kilometres per hour with wind gusts to 155 kilometres per hour.
Location: within 30 kilometres of 21.6 degrees South 114.0 degrees East, estimated to be 115 kilometres west of Onslow and 40 kilometres north northwest of Exmouth.
Movement: southwest at 18 kilometres per hour.
Tropical Cyclone Mitchell (21U), a category 2 cyclone, is expected to maintain its strength as it moves southwest towards the North West Cape this evening. Mitchell will then move south near the Ningaloo and Carnarvon coasts on Monday.
Hazards:
DESTRUCTIVE WIND GUSTS to 155 km/h are likely occurring over northern parts of the North West Cape, including Exmouth. Destructive wind gusts may extend south down the coast to Coral Bay on Monday morning, and then possibly further south to Carnarvon on Monday afternoon.
GALES with DAMAGING WIND GUSTS to 120 km/h are occurring about remaining coastal areas from Onslow to Ningaloo. GALES with DAMAGING WIND GUSTS to 120 km/h are forecast to extend further south to Coral Bay and inland parts of the western Pilbara and far northern Gascoyne later this evening or overnight. During Monday, GALES should extend further south through the western Gascoyne, developing over Carnarvon in the afternoon and possibly to Denham, Wooramel, Overlander Roadhouse, and Gascoyne Junction during the evening.
Widespread moderate to HEAVY RAINFALL which may lead to FLASH FLOODING is likely over the west Pilbara coast, extending to the west Gascoyne region on Monday. Local areas of INTENSE rainfall leading to SEVERE FLASH FLOODING may occur around the west Pilbara coast around Exmouth and Ningaloo, including the North West Cape, during this afternoon and overnight into Monday morning.
ABNORMALLY HIGH TIDES are expected along the west Pilbara coast, including Onslow and Exmouth. Tides are likely to rise above the normal high tide mark this afternoon and again on Monday morning's high tide, causing FLOODING of low-lying coastal areas. ABNORMALLY HIGH TIDES are expected along the Gascoyne coast, including Carnarvon, with Monday afternoon's high tide.
Recommended Action:
Ensure you know what to do in a cyclone. For the latest DFES community alerts and warnings visit www.emergency.wa.gov.au or download the Emergency WA app.
Cyclone advices and DFES Alerts are available by dialling 13 DFES (13 3337)
A map showing the track of the cyclone is available at:
http://www.bom.gov.au/cyclone
Forecast
Karratha (20.7367°S, 116.8463°E, 8m AMSL) set as my default location ›
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Seven day forecast
Today: Partly cloudy. Very high chance of rain in the far W, medium chance elsewhere. The chance of a thunderstorm, possibly severe with heavy rain which may lead to flash flooding in the SW. Winds N/NE 30 to 45 km/h tending N/NW 25 to 35 km/h in the late morning and early afternoon. Overnight temperatures falling to the low to mid 20s with daytime temperatures reaching 32 to 37. Destructive wind gusts exceeding 130 km/h expected due to Tropical Cyclone Mitchell.
Forecast for Karratha (20.7367°S, 116.8463°E, 8m AMSL) Mon Tue Wed Thu Fri Sat Sun Summary
Minimum 27° 27° 27° 27° 27° 27° 27° Maximum 31° 31° 32° 34° 33° 32° 33° Chance of rain 60% 60% 5% 20% 20% 20% 20% Likely amount < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme Fire Danger Rating High 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 26
(km/h)27
(km/h)17
(km/h)28
(km/h)18
(km/h)29
(km/h)18
(km/h)25
(km/h)19
(km/h)26
(km/h)16
(km/h)23
(km/h)14
(km/h)26
(km/h)Wind direction N N W WNW WSW WNW SW NW E N ESE N SW NW Relative humidity 80% 71% 81% 71% 77% 66% 69% 62% 75% 66% 72% 62% 74% 66% Dew point 25°C 25°C 25°C 24°C 25°C 24°C 24°C 25°C 25°C 25°C 24°C 23°C 25°C 25°C -
Warnings
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Sunrise and sunset times
Sunrise / Sunset for Karratha (20.7367°S, 116.8463°E, 8m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase Last quarter New moon First quarter Full moon 5:37am WST 6:00am WST 6:54pm WST 7:17pm WST 11:31pm WST 12:20pm WST
3rd quarter
Last quarter Feb 09 New moon Feb 17 First quarter Feb 24 Full moon Mar 03 -
Temperature for next 5 days
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Rain for next 5 days