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

No warnings for Western Australia

Forecast issued at 7:01 pm WST on Monday 27 April 2026.

Weather Situation

A broad trough that extends through the area will begin to push inland from the coast late Tuesday into Wednesday. A new ridge will strengthen late in the week, increasing the southerly flow through the Local Waters.

Forecast for Monday until midnight

Winds
Southerly 10 to 15 knots tending southeasterly in the late evening.
Seas
Below 1 metre.
Swell
Southwesterly 1.5 to 2 metres.
Weather
Cloudy. 50% chance of showers. The chance of a thunderstorm.

Tuesday 28 April

Winds
Southeasterly 10 to 15 knots.
Seas
Around 1 metre.
Swell
Southwesterly 1.5 to 2 metres.
Weather
Cloudy. 70% chance of rain. The chance of a thunderstorm.

Wednesday 29 April

Winds
Southeasterly below 10 knots tending southerly 10 to 15 knots in the middle of the day.
Seas
Below 1 metre.
Swell
Southwesterly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning.
Weather
Partly cloudy.

Thursday 30 April

Winds
Southerly 10 to 15 knots turning southwesterly 15 to 25 knots during the morning.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the afternoon or evening.
Swell
Southwesterly 1 to 1.5 metres.
Weather
Partly cloudy. 70% chance of showers.

Friday 1 May

Winds
Southerly 15 to 25 knots turning southeasterly 15 to 20 knots during the evening.
Seas
1.5 to 2 metres.
Swell
Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres during the afternoon or evening.
Weather
Cloudy. 70% chance of showers.

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 1:01 am WST Tuesday.

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