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 Tuesday 28 July 2015.

Weather Situation

A low pressure system to the west of the state extends a cloud band over western parts, with the low expected to weaken as it approaches the west coast Tuesday evening. The cloud band lingers over central parts of the state on Wednesday before clearing Wednesday evening. Another cloud band and low pressure system will develop to the west of the state on Thursday, before moving across southwestern parts during Friday.

Forecast for Tuesday until midnight

Winds
Northerly 15 to 20 knots turning east to northeasterly 10 to 15 knots in the evening.
Seas
1.5 metres, decreasing to 1 metre by early evening.
Swell
West to southwesterly 1 to 2 metres.
Weather
Cloudy. 30% chance of a shower. The chance of a thunderstorm along the coastal fringe.

Wednesday 29 July

Winds
Northwest to southwesterly 10 to 15 knots tending south to southwesterly in the early afternoon then tending south to southeasterly in the late evening.
Seas
Below 1 metre.
Swell
Southwesterly 1.5 to 2.5 metres.
Weather
Cloudy. 40% chance of showers.

Thursday 30 July

Winds
Easterly 10 to 15 knots.
Seas
Below 1 metre.
Swell
Southwesterly 1.5 to 2 metres, decreasing to 1 to 1.5 metres around midday.
Weather
Cloudy. 30% chance of a shower in the afternoon and evening.

Friday 31 July

Winds
East to northeasterly about 10 knots increasing to 15 to 20 knots during the afternoon then tending north to northeasterly during the evening.
Seas
Around 1 metre.
Swell
Southwesterly 1 to 1.5 metres, increasing to 1 to 2 metres during the morning.
Weather
Cloudy. 95% chance of rain.

Saturday 1 August

Winds
East to northeasterly 15 to 25 knots becoming variable about 10 knots during the morning then becoming southeasterly 15 to 20 knots during the afternoon.
Seas
1 to 1.5 metres.
Swell
Southwesterly 1 to 1.5 metres.
Weather
Partly cloudy. 80% chance of rain.

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 Wednesday.

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