Australian Government Bureau of Meteorology
Tropical Cyclone Advice
Tropical Cyclone Warning Centre
Transmitters serving the Onslow area are requested to USE the Standard Emergency Warning Signal before broadcasting the following warning.
TOP PRIORITY FOR IMMEDIATE BROADCAST
TROPICAL CYCLONE ADVICE NUMBER 35
Issued at 02:13 PM WST on Sunday 08 February 2026
Headline:
Tropical Cyclone Mitchell (21U) has weakened slightly as it approaches the far west Pilbara coast.
Areas Affected:
Warning zone: Onslow to Carnarvon, including Exmouth, and extending inland through the western Pilbara and northwest Gascoyne.
Watch zone: Wooramel Roadhouse to Overlander Roadhouse, including Denham, and extending to inland parts of the western Gascoyne, including Gascoyne Junction.
Cancelled zone: Mardie.
Details of Tropical Cyclone Mitchell 21U at 2:00 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 21.2 degrees South 114.7 degrees East, estimated to be 65 kilometres northwest of Onslow and 100 kilometres northeast of Exmouth.
Movement: southwest at 16 kilometres per hour.
Tropical Cyclone Mitchell (21U) has weakened slightly and is now at category 2 intensity. It is expected to maintain its strength as it continues to track towards the southwest during this afternoon and evening.
Mitchell is forecast to approach the far west Pilbara coast during the afternoon while remaining over water, with possible landfall close to Exmouth late this evening or early Monday morning.
Hazards:
DESTRUCTIVE WIND GUSTS to 155 km/h are possible over coastal areas near Onslow this afternoon, and are expected to develop over North West Cape (including Exmouth) this evening. Destructive wind gusts may extend further down the coast to Coral Bay on Monday morning.
GALES with DAMAGING WIND GUSTS to 120 km/h are occurring along coastal areas from west of Mardie to Exmouth. 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, possibly developing over Carnarvon, Denham and Gascoyne Junction during Monday afternoon and 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 Onslow from later this afternoon, extending to Exmouth and Ningaloo, including the North West Cape, later this evening.
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
Bernier Island (24.8491°S, 113.1426°E, 21m AMSL) set as my default location ›
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7 day forecast
Today: Partly cloudy. High chance of showers in the N, slight chance elsewhere. The chance of a thunderstorm. Thunderstorms possibly severe with destructive winds and heavy rain which may lead to flash flooding. Winds E/NE 20 to 30 km/h.
Forecast for Bernier Island (24.8491°S, 113.1426°E, 21m AMSL) Sun Mon Tue Wed Thu Fri Sat Summary 
Minimum 28° 25° 24° 23° 23° 24° 25° Maximum 38° 26° 25° 27° 28° 30° 31° Chance of rain 90% 90% 60% 50% 5% 10% 20% Likely amount 10-20mm 40-80mm < 1mm < 1mm < 1mm < 1mm 1-5mm UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme Fire Danger Rating - - - - - - - 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 19
(km/h)29
(km/h)33
(km/h)42
(km/h)35
(km/h)31
(km/h)26
(km/h)27
(km/h)23
(km/h)26
(km/h)20
(km/h)24
(km/h)20
(km/h)23
(km/h)Wind direction ESE S SE ESE WSW SW SSW SW SSE SW SSE WSW SE WSW Relative humidity 52% 64% 79% 95% 86% 89% 79% 81% 69% 70% 61% 65% 60% 66% Dew point 23°C 24°C 22°C 23°C 22°C 21°C 22°C 22°C 19°C 20°C 20°C 21°C 20°C 22°C -
Sunrise and sunset times
Sunrise / Sunset for Bernier Island (24.8491°S, 113.1426°E, 21m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase Last quarter New moon First quarter Full moon 5:43am WST 6:07am WST 7:12pm WST 7:36pm WST 10:58pm WST 11:46am WST 
Waning gibbous
Last quarter Feb 09 New moon Feb 17 First quarter Feb 24 Full moon Mar 03 -
Warnings
- TC Warning: Onslow to Carnarvon, inc. Exmouth & inland. Watch: Wooramel Roadhouse to Overlander Roadhouse & inland. Cancel Mardie
- Heatwave Warning Western Australia
- Heatwave Warning Western Australia
- Heatwave Warning Western Australia
- Heatwave Warning Western Australia
- Heatwave Warning Western Australia
- Heatwave Warning Western Australia
- Heatwave Warning Western Australia
- Heatwave Warning Western Australia
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Temperature for next 7 days
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Rain for next 7 days
