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

View the current warnings for Western Australia

Forecast issued at 9:44 am WST on Friday 29 July 2016.

Weather Situation

A high pressure system gradually contracts eastwards as a cold front moves across the southwest this evening. A second, stronger cold front moves through Perth waters late Saturday and during Sunday before a new ridge of high pressure develops over southern WA on Monday.

Forecast for Friday until midnight

Strong Wind Warning for Friday for Perth Local Waters

Winds
Northerly 15 to 25 knots turning northwesterly 25 to 30 knots in the early afternoon. Winds westerly up to 30 knots in the evening.
Seas
2 metres, increasing to 3 metres around midday.
Swell
West to southwesterly 2 to 3 metres.
Weather
Cloudy. 90% chance of showers.

Saturday 30 July

Strong Wind Warning for Saturday for Perth Local Waters

Winds
Westerly 15 to 25 knots, reaching up to 30 knots in the evening.
Seas
2 to 3 metres, decreasing to 1 to 1.5 metres during the morning, then increasing to 2 to 3 metres around midday.
Swell
West to southwesterly 2 to 3 metres, increasing to 2.5 to 4 metres around midday.
Weather
Cloudy. 70% chance of showers.

Sunday 31 July

Winds
Westerly 30 to 35 knots easing to south to southwesterly 20 to 30 knots during the afternoon then shifting south to southeasterly 15 to 20 knots during the evening.
Seas
3 to 4 metres, decreasing to 2 to 2.5 metres during the afternoon or evening.
Swell
West to southwesterly 3 to 5 metres, increasing to 4 to 7 metres during the morning.
Weather
Partly cloudy. 90% chance of showers. The chance of a thunderstorm and hail in the morning and afternoon. Caution: Dangerous surf conditions hazardous for coastal activities such as swimming, surfing and rock fishing. Tides expected to be higher than normal.

Monday 1 August

Winds
Southeasterly 10 to 15 knots turning easterly during the morning.
Seas
Around 1 metre, decreasing below 1 metre during the morning.
Swell
West to southwesterly 4 to 6 metres, decreasing to 3 to 4 metres during the afternoon.
Weather
Mostly sunny. Caution: Dangerous surf conditions hazardous for coastal activities such as swimming, surfing and rock fishing. Tides expected to be higher than normal.

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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