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 Saturday 23 August 2014.

Weather Situation

A high pressure ridge across central parts of the State will weaken as frontal activity approaches the far southwest corner, expected to move over Perth Tuesday morning.

Forecast for Saturday until midnight

Winds
West to southwesterly below 10 knots tending easterly in the evening.
Seas
Below 0.5 metres.
Swell
West to southwesterly 2.5 to 4 metres, decreasing to 2.5 to 3 metres by early evening.

Sunday 24 August

Winds
Variable below 10 knots becoming northerly 10 to 15 knots early in the morning then tending northwesterly in the middle of the day.
Seas
Below 1 metre, increasing to around 1 metre during the morning.
Swell
West to southwesterly 2 to 3 metres.

Monday 25 August

Winds
Northerly 15 to 20 knots turning northwesterly during the afternoon and evening.
Seas
1 to 1.5 metres.
Swell
Westerly 2 to 2.5 metres.

Tuesday 26 August

Winds
Westerly 15 to 20 knots turning southerly 10 to 15 knots during the morning.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning.
Swell
Westerly 2 to 3 metres, increasing to 2.5 to 4 metres during the morning.
Weather
The chance of thunderstorms along the coastal fringe in the morning.

Wednesday 27 August

Winds
Variable about 10 knots.
Seas
Below 1 metre.
Swell
West to southwesterly 2.5 to 4 metres, decreasing to 2.5 to 3 metres during the afternoon or evening.

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 Sunday.

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