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

View the current warnings for Western Australia

Forecast issued at 4:01 am WST on Saturday 2 August 2014.

Weather Situation

A weak cold front will pass through on Saturday morning, with a new ridge of high pressure developing over the south of WA in its wake. The ridge will strengthen as a high cell moves across the south, dominating conditions into early next week.

Forecast for Saturday until midnight

Winds
Southwesterly 15 to 20 knots turning southeasterly 15 to 25 knots during the afternoon and evening. Inshore winds tending northeasterly to 10 knots until mid morning.
Seas
Around 1 metre, increasing to 1 to 2 metres during the morning, then decreasing to 1 metre during the afternoon.
Swell
Southwesterly 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning.

Sunday 3 August

Winds
Easterly 10 to 15 knots.
Seas
Around 1 metre.
Swell
West to southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres.

Monday 4 August

Winds
East to northeasterly 10 to 20 knots easing 5 to 10 knots by late afternoon.
Seas
Around 1 metre.
Swell
West to southwesterly 2 to 3 metres.

Tuesday 5 August

Winds
Northeasterly 15 to 20 knots turning north to northwesterly below 10 knots during the afternoon then becoming northeasterly during the evening.
Seas
1 to 1.5 metres, decreasing below 1 metre during the afternoon.
Swell
West to southwesterly 2 to 3 metres.

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 Saturday.

Product IDW11400