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

View the current warnings for Western Australia

Forecast issued at 4:00 pm WST on Monday 24 February 2020.

Weather Situation

A ridge of high pressure lies to the south of WA, with a low pressure trough lying offshore from the Perth coast. This synoptic situation is likely to remain fairly stagnant for the next couple of days and will maintain moderate to fresh offshore winds until the trough moves inland on Friday.

Forecast for Monday until midnight

Winds
Southeasterly 10 to 15 knots. Squalls to 40 knots possible with thunderstorms.
Seas
Below 1 metre.
Swell
Southwesterly 1 to 1.5 metres.
Weather
Partly cloudy. The chance of a thunderstorm.

Tuesday 25 February

Winds
East to southeasterly 15 to 25 knots decreasing to about 10 knots in the early afternoon then increasing to 15 to 20 knots in the late afternoon. Squalls to 40 knots possible with thunderstorms.
Seas
1 to 1.5 metres, decreasing below 1 metre during the afternoon.
Swell
Southwesterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Weather
Partly cloudy. 60% chance of showers. The chance of a thunderstorm.

Wednesday 26 February

Winds
Easterly 15 to 25 knots.
Seas
1 to 1.5 metres, decreasing to 1 metre during the afternoon.
Swell
Southwesterly around 1 metre.
Weather
Partly cloudy. 50% chance of showers. The chance of a thunderstorm.

Thursday 27 February

Winds
East to southeasterly 10 to 15 knots turning northeasterly during the evening.
Seas
Around 1 metre.
Swell
Southwesterly around 1 metre.
Weather
Partly cloudy. The chance of a thunderstorm.

Friday 28 February

Winds
Northeasterly 10 to 15 knots shifting west to northwesterly below 10 knots during the morning then becoming west to southwesterly during the evening.
Seas
Below 1 metre.
Swell
Southwesterly around 1 metre.
Weather
Partly cloudy. The chance of a thunderstorm.

Please be awareWind and wave forecasts are averages. Wind gusts can be 40 per cent stronger than the forecast, and stronger still in squalls and thunderstorms. Maximum waves can be twice the forecast height.

The next routine forecast will be issued at 4:00 am WST Tuesday.

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