Southern and Central Western Australia

Synoptic Situation: A ridge extends through central WA from a high over the southeast of the continent with a broad northwesterly flow over the southwest. A cold front will approach the southwest corner of the State this morning before pushing over southern parts from the afternoon and through early Friday. A new ridge of high pressure will build from the west over central WA in the wake of the front on Friday and over the weekend with a second, weaker cold front brushing the south coast on Saturday.

Western Australia

Wind and wave forecasts are averages. Wind gusts can be 40 per cent stronger than the forecast, and stronger still in squalls and thunderstorms. Maximum waves can be twice the forecast height.

Ningaloo Coast: North West Cape to Cape Cuvier

Thursday 16 July

Winds: North to northeasterly 10 to 15 knots becoming variable about 10 knots in the evening.
Seas: Around 1 metre.
Swell 1: Southwesterly 2 to 3 metres inshore, increasing to 3 to 4 metres offshore.
Weather: Partly cloudy. 70% chance of rain offshore south of Coral Bay, near zero chance elsewhere. The chance of a thunderstorm during this afternoon and evening.

Friday 17 July

Winds: North to northwesterly 10 to 15 knots shifting south to southeasterly 15 to 25 knots in the morning.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
Swell 1: Southwesterly 3 to 5 metres.
Weather: Cloudy. 70% chance of rain in the morning and early afternoon. The chance of a thunderstorm in the morning.

Saturday 18 July

Winds: South to southeasterly 15 to 25 knots.
Seas: 1 to 2 metres.
Swell 1: Southwesterly 3 to 4 metres, decreasing to 3 metres during the afternoon or evening.
Weather: Mostly sunny.