Leeuwin Coastal Waters Forecast: Cape Naturaliste to Walpole

View the current warnings for Western Australia

Forecast updated at 8:50 am WST on Monday 20 April 2026.

Weather Situation

A ridge across southeastern WA continues moving east. A trough developing over the Gascoyne extends into the eastern South West Land Division today ahead of a strong cold front later night. Following a brief ridge over southern WA later Tuesday into Wednesday, a second moderate cold front will move across the southwest on Thursday.

Forecast for Monday until midnight

Gale Warning for Monday for Leeuwin Coast

Winds
Northwesterly 20 to 30 knots, reaching up to 35 knots during the afternoon and evening. Winds turning west to southwesterly 25 to 30 knots in the evening.
Seas
1 to 2 metres, increasing to 2.5 to 3 metres around midday.
Swell
Southwesterly 2.5 to 3 metres inshore, increasing to 3 to 4 metres offshore.
Weather
Partly cloudy. Near 100% chance of showers. The chance of a thunderstorm in the afternoon and evening. Possible small hail offshore east of Cape Leeuwin in the evening.

Tuesday 21 April

Strong Wind Warning for Tuesday for Leeuwin Coast

Winds
Southwesterly 15 to 25 knots, reaching up to 30 knots during the morning. Winds turning west to northwesterly 10 to 15 knots in the evening.
Seas
2 to 3 metres, decreasing below 2 metres during the morning, then decreasing to 1 metre during the afternoon.
Swell
Southwesterly 4 to 5 metres.
Weather
Cloudy. 90% chance of showers. The chance of a thunderstorm in the early morning.

Wednesday 22 April

Winds
Northwesterly 15 to 25 knots increasing to 20 to 30 knots during the evening.
Seas
Around 1 metre, increasing to 1 to 2 metres during the morning.
Swell
Southwesterly 2.5 to 4 metres, tending westerly 3 to 4 metres during the evening.
Weather
Cloudy. 60% chance of showers. The chance of a thunderstorm in the evening.

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.

Nearby Coastal Waters

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

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