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

View the current warnings for Western Australia

Forecast updated at 7:16 am WST on Friday 31 October 2014.

Weather Situation

A weak cold front is moving through local waters this morning with a ridge of high pressure developing over the southwest of the State today. A high pressure system moves into the Bight on Saturday. Another front will cross the southwest of the State from Sunday afternoon before another ridge develops over the south of the State on Monday.

Forecast for Friday until midnight

Winds
South to southeasterly 15 to 20 knots reaching up to 25 knots offshore for a period during the morning, and then easing to 10 to 15 knots late morning. Winds increasing southwesterly 15 to 20 knots in the afternoon then tending south to southeasterly 10 to 15 knots in the evening.
Seas
1 to 1.5 metres, decreasing to 1 metre by early evening.
Swell
Southwesterly 1.5 to 2 metres.
Weather
20% chance of a shower in the early morning. Mostly sunny afternoon.

Saturday 1 November

Winds
East to northeasterly 10 to 15 knots tending northwest to southwesterly in the morning then tending south to southwesterly in the late afternoon.
Seas
Around 1 metre.
Swell
Southwesterly 1 to 2 metres, decreasing to 1 to 1.5 metres around midday.
Weather
Sunny.

Sunday 2 November

Winds
South to southwesterly about 10 knots becoming westerly during the morning then increasing to 15 to 20 knots during the day.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
Swell
West to southwesterly 1 to 1.5 metres.
Weather
Partly cloudy. 30% chance of a shower.

Monday 3 November

Winds
Westerly 15 to 20 knots turning south to southwesterly 10 to 15 knots during the morning.
Seas
1.5 metres, decreasing to 1 metre during the morning.
Swell
Westerly 1 to 1.5 metres, increasing to 1.5 to 2 metres during the afternoon.
Weather
Partly cloudy. 30% chance of a shower.

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 Friday.

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