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 Tuesday 7 July 2015.

Weather Situation

A cold front will move across the region this afternoon with a vigorous southerly flow developing during the evening and persisting into Wednesday as a new ridge develops rapidly in its wake. A second, weaker front will move through the region on Friday.

Forecast for Tuesday until midnight

Strong Wind Warning for Tuesday for Perth Local Waters

Winds
North to northwesterly up to 10 knots increasing to 10 to 15 knots late in the morning, shifting southwesterly 20 to 25 knots in the late afternoon. Winds reaching up to 30 knots in the evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the morning, then increasing to 1.5 to 2.5 metres during the afternoon.
Swell
West to southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres during the afternoon.
Weather
Partly cloudy. Near 100% chance of showers.

Wednesday 8 July

Strong Wind Warning for Wednesday for Perth Local Waters

Winds
South to southwesterly 20 to 25 knots, reaching up to 30 knots in the morning. Winds tending south to southeasterly 15 to 25 knots from midday.
Seas
2 to 3 metres, decreasing to 1.5 metres around midday.
Swell
Southwesterly 2 to 4 metres, decreasing to 2 to 3 metres during the morning.
Weather
Partly cloudy. 60% chance of showers in the morning.

Thursday 9 July

Winds
East to southeasterly 10 to 15 knots becoming variable about 10 knots during the morning then becoming west to southwesterly 10 to 15 knots during the evening.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning.
Swell
West to southwesterly 2 to 3 metres, decreasing to 1.5 to 2 metres during the afternoon or evening.
Weather
Becoming cloudy. 20% chance of a shower in the evening.

Friday 10 July

Winds
West to southwesterly 10 to 15 knots becoming variable about 10 knots during the morning then becoming southeasterly 10 to 15 knots during the day.
Seas
Around 1 metre.
Swell
Southwesterly 1.5 to 2 metres.
Weather
Cloudy. 60% chance of showers.

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.

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