Leeuwin Coastal Waters Forecast: Cape Naturaliste to Walpole

View the current warnings for Western Australia

Forecast issued at 4:00 pm WST on Friday 6 December 2019.

Weather Situation

A deep surface trough just inland from the west coast will contract eastwards overnight and during tomorrow as a weak cold front approaches the southwest corner of the state. The cold front will move through southwestern parts of the South West Land Division during Saturday, with a ridge of high pressure developing rapidly in its wake on Sunday. A high pressure system will move south of the state on Monday, with a new surface trough developing inland from the west coast on Tuesday.

Forecast for Friday until midnight

Winds
East to southeasterly 15 to 20 knots, ahead of a west to northwesterly 10 to 15 knots change extending from the west in the late afternoon.
Seas
Around 1 metre, increasing to 1 to 2 metres east of Cape Leeuwin.
Swell
Southwesterly 1.5 metres.
Weather
Partly cloudy. The chance of a thunderstorm east of Cape Leeuwin later this evening.

Saturday 7 December

Strong Wind Warning for Saturday for Leeuwin Coast

Winds
West to northwesterly 15 to 25 knots, reaching up to 30 knots in the afternoon. Winds tending west to southwesterly in the afternoon.
Seas
1 to 1.5 metres, increasing to 2 to 3 metres during the morning.
Swell
Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Weather
Cloudy. 90% chance of showers. The chance of a thunderstorm in the morning and early afternoon.

Sunday 8 December

Winds
Southwesterly 15 to 25 knots, easing to 10 to 15 knots by dawn and to about 10 knots in the afternoon.
Seas
1.5 to 2.5 metres, decreasing below 1 metre during the morning.
Swell
Southwesterly 2 to 2.5 metres.
Weather
Partly cloudy.

Monday 9 December

Winds
Variable about 10 knots becoming southerly 10 to 15 knots during the afternoon.
Seas
Below 1 metre, increasing to 1 to 1.5 metres north of Cape Leeuwin during the evening.
Swell
Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres 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 4:00 am WST Saturday.

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