Details of Tropical Cyclone Sean 11U at 11:00 am AWST:
Intensity: Category 1, sustained winds near the centre of 85 kilometres per hour with wind gusts to 120 kilometres per hour.
Location: within 30 kilometres of 19.6 degrees South 115.5 degrees East, estimated to be 335 kilometres west northwest of Port Hedland and 190 kilometres northwest of Karratha.
Movement: west southwest at 19 kilometres per hour.
Tropical Cyclone Sean will continue moving west, parallel to the Pilbara coast, while strengthening. From Monday onwards, the cyclone is forecast to turn towards the southwest, while remaining over open waters. By this time, the cyclone is forecast to begin moving away from the coast.
