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

View the current warnings for Western Australia

Forecast updated at 5:10 am WST on Tuesday 24 January 2017.

Weather Situation

A ridge lies near the south coast with a trough developing near the west coast. The trough will deepen near the west coast Wednesday and Thursday before moving inland Thursday afternoon. A new ridge develops to the south from Friday.

Forecast for Tuesday until midnight

Winds
Easterly 10 to 15 knots, becoming variable below 10 knots in the morning. Winds shifting south to southwesterly 15 to 20 knots in the afternoon.
Seas
1 to 1.5 metres.
Swell
Southwesterly 1.5 to 2 metres, decreasing to 1 to 1.5 metres around midday.
Weather
Sunny.

Wednesday 25 January

Winds
South to southeasterly 15 to 20 knots becoming variable about 10 knots in the morning then becoming southerly 15 to 20 knots in the afternoon.
Seas
1 to 1.5 metres.
Swell
Southwesterly 1 to 1.5 metres.
Weather
Sunny.

Thursday 26 January

Winds
South to southeasterly 10 to 15 knots tending east to northeasterly in the early morning. Winds tending northwesterly 10 to 15 knots late morning then southwesterly early afternoon before increasing to south to southwesterly 15 to 20 knots later in the afternoon.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning, increasing to 1.5 in the late afternoon.
Swell
Southwesterly 1 to 1.5 metres.
Weather
Sunny.

Friday 27 January

Winds
Southerly 15 to 25 knots.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres during the morning.
Swell
Southwesterly 1 to 1.5 metres.
Weather
Sunny.

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 Tuesday.

Product IDW11400