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 Sunday 25 June 2017.

Weather Situation

A ridge of high pressure is developing off the south coast. On Monday and Tuesday the ridge moves north over southern districts with a weak cold front expected to brush the south coast late on Monday.

Forecast for Sunday until midnight

Winds
Southeasterly 10 to 15 knots, reaching up to 20 knots offshore during the morning.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning.
Swell
Southwesterly around 1 metre, increasing to 1.5 to 2.5 metres offshore.
Weather
Partly cloudy. 20% chance of a shower offshore, near zero chance elsewhere.

Monday 26 June

Winds
Easterly 10 to 15 knots becoming variable about 10 knots in the middle of the day then becoming south to southeasterly 10 to 15 knots in the late afternoon.
Seas
Around 1 metre, decreasing below 1 metre during the morning.
Swell
Southwesterly around 1 metre, increasing to 1 to 2 metres offshore.
Weather
Partly cloudy. 40% chance of showers.

Tuesday 27 June

Winds
Southeasterly 10 to 15 knots turning easterly during the evening.
Seas
Around 1 metre.
Swell
Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres offshore.
Weather
Partly cloudy. 30% chance of a shower.

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.

Nearby Coastal Waters

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

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