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

View the current warnings for Western Australia

Forecast issued at 4:05 pm WST on Tuesday 22 August 2017.

Weather Situation

A new ridge of high pressure will develop over the southwest from Wednesday.

Forecast for Tuesday until midnight

Winds
Southerly 15 to 20 knots, turning southeasterly in the evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres offshore by early evening.
Swell
Southwesterly 2 to 3 metres.
Weather
Partly cloudy. 20% chance of a shower offshore.

Wednesday 23 August

Winds
Southeasterly 15 to 20 knots.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres by early evening.
Swell
Southwesterly 1 to 2 metres inshore, increasing to 2 to 3 metres offshore.
Weather
Partly cloudy. 20% chance of a shower offshore in the early morning. Near zero chance of rain elsewhere.

Thursday 24 August

Winds
Southeasterly 15 to 25 knots.
Seas
Around 1 metre, increasing to 1 to 2 metres offshore.
Swell
Southwesterly 1.5 to 2.5 metres.
Weather
Mostly sunny.

Friday 25 August

Winds
Southeasterly 15 to 20 knots.
Seas
1 to 2 metres.
Swell
Southwesterly 1 to 1.5 metres inshore, increasing to 2 to 2.5 metres offshore.
Weather
Sunny.

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 am WST Wednesday.

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