Perth Coastal Waters Forecast: Two Rocks to Dawesville, offshore from Rottnest Island

View the current warnings for Western Australia

Forecast issued at 4:00 am WST on Tuesday 7 April 2020.

Weather Situation

A strong high will move south of the Bight during today, strengthening the ridge over southeastern parts of the State. A trough off the west coast will deepen further over the next few days before moving inland for a period on Thursday. The trough will redevelop off of the west coast during Friday.

Forecast for Tuesday until midnight

Winds
Northeasterly 15 to 20 knots becoming variable about 10 knots in the middle of the day.
Seas
1.5 to 2 metres, decreasing below 1.5 metres during the morning, then decreasing below 1 metre around midday.
Swell
Southwesterly 1.5 to 2 metres.
Weather
Sunny.

Wednesday 8 April

Winds
North to northeasterly about 10 knots increasing to 10 to 15 knots early in the morning then becoming variable about 10 knots in the middle of the day.
Seas
Around 1 metre.
Swell
Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres around midday.
Weather
Mostly sunny.

Thursday 9 April

Winds
South to southeasterly 10 to 15 knots.
Seas
Below 0.5 metres, increasing to around 1 metre during the morning.
Swell
Southwesterly 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
Weather
Sunny.

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.

Nearby Coastal Waters

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

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