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 Monday 27 June 2016.

Weather Situation

A low pressure system is expected to develop southwest of the State during Monday, with an associated cold front to reach the South West Capes early Tuesday morning. The front will weaken during Tuesday as it moves across southern parts of the State. A new high pressure ridge will extend from the west during Wednesday across southern parts of the State as a second, weak cold front brushes the South Coast on Wednesday evening.

Forecast for Monday until midnight

Winds
Northerly 15 to 25 knots.
Seas
1.5 to 2 metres, decreasing to 1.5 metres during the afternoon.
Swell
Southwesterly 1.5 to 2.5 metres, increasing to 2.5 to 4 metres offshore.
Weather
Partly cloudy. 40% chance of showers late this afternoon and evening.

Tuesday 28 June

Strong Wind Warning for Tuesday for Perth Coast

Winds
Northwesterly 15 to 25 knots, reaching up to 30 knots in the late morning and early afternoon. Turning westerly in the early afternoon.
Seas
1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
Swell
Southwesterly 2 to 2.5 metres.
Weather
Cloudy. 95% chance of showers. The chance of a thunderstorm in the morning and afternoon.

Wednesday 29 June

Winds
Westerly 15 to 20 knots turning south to southwesterly 10 to 15 knots during the day.
Seas
1 to 1.5 metres.
Swell
Southwesterly 2 to 3 metres.
Weather
Partly cloudy. 60% chance of showers.

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 Monday.

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