Perth Local Waters Forecast: Two Rocks to Dawesville, inshore from Rottnest Island

View the current warnings for Western Australia

Forecast issued at 4:00 am WST on Sunday 29 March 2015.

Weather Situation

A ridge of high pressure will lie to the south over the weekend. On Sunday afternoon a trough will begin to develop down the coast, deepening on Monday then moving east on Tuesday. A ridge of high pressure will develop to the south of the state from late Tuesday.

Forecast for Sunday until midnight

Winds
East to southeasterly about 10 knots tending southerly 10 to 15 knots in the middle of the day.
Seas
Around 1 metre.
Swell
Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres around midday.
Weather
Sunny.

Monday 30 March

Winds
South to southeasterly 10 to 15 knots easing to 5 to 10 knots in the morning then becoming south to southwesterly 10 to 15 knots late morning.
Seas
Below 1 metre, decreasing below 0.5 metres during the morning, then increasing to around 1 metre around midday.
Swell
Southwesterly 1.5 to 2 metres.
Weather
Partly cloudy. The chance of a thunderstorm in the evening.

Tuesday 31 March

Winds
South to southeasterly 10 to 15 knots becoming southerly 5 to 10 knots during the morning then tending southwesterly 15 to 20 knots in the afternoon before shifting southerly late evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
Swell
Southwesterly 1.5 to 2 metres.
Weather
Cloudy. 60% chance of showers.

Wednesday 1 April

Winds
South to southeasterly 15 to 20 knots easing to east to southeasterly around 10 knots during the morning. Winds tending southwesterly 10 to 15 knots by midday before becoming southeasterly 10 to 15 knots during the evening.
Seas
1 to 2 metres, decreasing to 1 metre during the morning.
Swell
Southwesterly 1 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon.
Weather
Partly cloudy.

Please be awareWind gusts can be 40 percent stronger than the averages given here, and maximum waves may be up to twice the height. Wind warnings are issued for today and tomorrow and describe the highest category of wind warning for that day.

The next routine forecast will be issued at 4:00 pm WST Sunday.

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