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

View the current warnings for Western Australia

Forecast issued at 4:01 pm WST on Thursday 27 November 2014.

Weather Situation

A trough lies inland from the west coast to a weak low pressure system to the west of Geraldton. The trough will continue to deepen and move eastwards this evening, with a southerly flow over the area Saturday. A weak ridge of high pressure will develop south of the state Sunday, with a broad surface trough developing over most of the state during the day and deepening further on Monday.

Forecast for Thursday until midnight

Winds
Southwesterly 10 to 15 knots.
Seas
Below 1 metre.
Swell
West to southwesterly around 1 metre.
Weather
Partly cloudy. The chance of a thunderstorm in the south until the evening.

Friday 28 November

Winds
Southwesterly about 10 knots increasing to 15 to 20 knots early in the morning then tending south to southwesterly in the evening.
Seas
1 to 1.5 metres.
Swell
Southwesterly 1 to 1.5 metres.
Weather
Cloudy. 40% chance of showers.

Saturday 29 November

Winds
Southerly 15 to 20 knots, easing to 10 to 15 knots for a period in the morning and tending south to southwesterly 15 to 20 knots in the afternoon.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres.
Swell
Southwesterly 1 to 1.5 metres.
Weather
Partly cloudy.

Sunday 30 November

Winds
South to southeasterly 15 to 20 knots becoming variable about 10 knots during the morning then becoming south to southwesterly 15 to 20 knots in the afternoon.
Seas
1 to 1.5 metres.
Swell
Southwesterly 1 to 1.5 metres.
Weather
Partly cloudy.

Monday 1 December

Winds
Southerly 15 to 20 knots tending southwesterly during the day then turning southeasterly during the evening.
Seas
1 to 2 metres.
Swell
Southwesterly 1 to 1.5 metres.
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 am WST Friday.

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