Leeuwin Coastal Waters Forecast: Cape Naturaliste to Walpole

View the current warnings for Western Australia

Forecast issued at 7:01 am WST on Saturday 20 December 2025.

Weather Situation

A west coast trough will move to the Goldfields and inland Gascoyne today as a weak front brushes past the south coast. A ridge will then develop across much of southern WA on Sunday, pushing the trough further north. Another weak front will brush the south coast on Monday, followed by the west coast trough returning by Tuesday.

Forecast for Saturday until midnight

Strong Wind Warning for Saturday for Leeuwin Coast

Winds
Southerly 15 to 25 knots, reaching up to 30 knots offshore north of Cape Leeuwin during the morning. Winds turning southeasterly 15 to 20 knots in the evening.
Seas
1 to 2 metres.
Swell
Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres east of Cape Leeuwin.
Weather
Cloudy.

Sunday 21 December

Winds
Southeasterly 10 to 15 knots becoming variable about 10 knots in the early morning then becoming south to southwesterly 10 to 15 knots in the middle of the day. Winds reaching up to 20 knots offshore north of Cape Leeuwin early in the morning and again in the evening.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning.
1st Swell
Southwesterly 2 to 3 metres.
2nd Swell
Southeasterly around 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing to around 1 metre around midday.
Weather
Cloudy.

Monday 22 December

Winds
Southerly 10 to 15 knots turning southeasterly 15 to 25 knots during the morning.
Seas
Around 1 metre, increasing to 1 to 1.5 metres during the afternoon or evening.
Swell
Southwesterly 2 to 3 metres inshore, increasing to 3 to 4 metres offshore east of Cape Leeuwin during the morning.
Weather
Partly cloudy.

Please be awareWind 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.

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The next routine forecast will be issued at 1:01 pm WST Saturday.

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