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

View the current warnings for Western Australia

Forecast issued at 4:00 pm WST on Thursday 3 September 2015.

Weather Situation

A cold front will move through the Perth area during Friday evening with another weaker cold front expected during Saturday morning. A ridge of high pressure will lie over the Perth region during Sunday and Monday.

Forecast for Thursday until midnight

Winds
Southerly about 10 knots tending southeasterly in the evening.
Seas
Below 1 metre.
Swell
Southwesterly 1 to 1.5 metres.
Weather
Clear.

Friday 4 September

Winds
Variable about 10 knots becoming northwesterly 15 to 25 knots in the morning then tending westerly 15 to 20 knots in the evening.
Seas
Below 1 metre, increasing to around 1 metre during the morning, then increasing to 1.5 to 2 metres around midday.
Swell
Southwesterly 1 to 1.5 metres, tending westerly 1.5 metres by early evening.
Weather
Becoming cloudy. 95% chance of showers. The chance of a thunderstorm in the afternoon and early evening.

Saturday 5 September

Winds
West to southwesterly 20 to 25 knots turning southerly 10 to 15 knots during the afternoon and evening.
Seas
1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the afternoon.
Swell
Westerly 1.5 to 2 metres, increasing to 2 to 3 metres during the morning, then tending west to southwesterly 2 to 3 metres during the afternoon.
Weather
Partly cloudy. 80% chance of showers, mainly in the morning.

Sunday 6 September

Winds
Southeasterly 10 to 15 knots tending easterly during the morning then turning south to southeasterly during the day.
Seas
Around 1 metre.
Swell
Southwesterly 2.5 to 3 metres, increasing to 2.5 to 4 metres during the morning.
Weather
Partly cloudy.

Monday 7 September

Winds
Easterly 10 to 15 knots turning south to southeasterly below 10 knots during the day then tending easterly 10 to 15 knots during the evening.
Seas
Around 1 metre, decreasing below 1 metre during the morning.
Swell
West to southwesterly 2 to 3 metres.
Weather
Cloud clearing.

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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