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

View the current warnings for Western Australia

Forecast issued at 4:39 am WST on Sunday 19 May 2024.

Weather Situation

A high pressure system in the Bight and associated ridge will dominate the weather pattern over the remainder of the weekend and into next week. A weakening cold front may brush the South West Capes on Tuesday.

Forecast for Sunday until midnight

Winds
Northeasterly 15 to 25 knots.
Seas
1 to 2 metres, decreasing to 1 metre during the afternoon.
Swell
Southwesterly 1.5 metres.
Weather
Mostly sunny.

Monday 20 May

Winds
Northeasterly 15 to 25 knots turning northerly 15 to 20 knots in the morning.
Seas
Around 1 metre, increasing to 1 to 2 metres during the morning, then decreasing to 1 metre by early evening.
Swell
Southwesterly 1.5 metres.
Weather
Mostly sunny.

Tuesday 21 May

Winds
North to northeasterly 10 to 15 knots becoming north to northwesterly below 10 knots during the afternoon then becoming east to northeasterly during the evening.
Seas
Below 1 metre.
Swell
Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres during the evening.
Weather
Mostly 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 Sunday.

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