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

View the current warnings for Western Australia

Forecast issued at 4:11 am WST on Wednesday 28 June 2017.

Weather Situation

A high pressure system centred near the southwest corner will slowly move eastwards along the south coast today and on Thursday. A moderate to strong cold front is expected to reach Local Waters on Friday morning ahead of a second cold front on Saturday morning.

Forecast for Wednesday until midnight

Winds
East to northeasterly 10 to 15 knots.
Seas
Around 1 metre.
Swell
Southwesterly 1 to 1.5 metres.
Weather
Sunny.

Thursday 29 June

Winds
Easterly 10 to 15 knots turning north to northeasterly 15 to 20 knots during the morning, easing to 10 to 15 knots for a period in the afternoon.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing below 1 metre during the afternoon.
Swell
Southwesterly 1 to 1.5 metres.
Weather
Sunny.

Friday 30 June

Winds
Northerly 15 to 20 knots tending north to northwesterly 20 to 30 knots during the morning then shifting southwesterly during the afternoon.
Seas
1 to 2 metres, increasing to 2 to 3 metres during the morning.
Swell
Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres during the evening.
Weather
Cloudy. 95% chance of showers. The chance of a thunderstorm in the afternoon.

Saturday 1 July

Winds
Westerly 20 to 30 knots turning south to southwesterly 25 to 30 knots during the day.
Seas
1.5 to 2 metres, increasing to 2.5 to 3 metres during the morning.
Swell
Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres during the morning.
Weather
Cloudy. 95% chance of showers. The chance of a thunderstorm.

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 Wednesday.

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