Perth Local Waters Forecast: Two Rocks to Dawesville, inshore from Rottnest Island

View the current warnings for Western Australia

Forecast issued at 1:01 am WST on Tuesday 9 June 2026.

Weather Situation

A ridge will develop in the wake of a front that moved through early this morning, and will lie just to the north from later today. Another front may move through later Thursday.

Forecast for Tuesday until midnight

Strong Wind Warning for Tuesday for Perth Local Waters

Winds
Southwesterly 15 to 25 knots, reaching up to 30 knots early in the morning. Winds becoming variable about 10 knots in the early afternoon.
Seas
2 to 2.5 metres, decreasing to 1 to 1.5 metres during the morning, then decreasing below 1 metre during the afternoon.
Swell
West to southwesterly 3 to 5 metres.
Weather
Cloudy. 90% chance of showers.
Caution
Large and powerful surf conditions are expected to be hazardous for coastal activities such as swimming, surfing and rock fishing.

Wednesday 10 June

Winds
North to northeasterly below 10 knots increasing to 10 to 15 knots in the morning then tending north to northwesterly in the middle of the day.
Seas
Below 1 metre.
Swell
Southwesterly 2.5 to 4 metres, decreasing to 2 to 3 metres during the morning.
Weather
Cloudy. 80% chance of showers.

Thursday 11 June

Winds
North to northwesterly 10 to 15 knots turning west to southwesterly 15 to 20 knots during the afternoon.
Seas
Below 1 metre.
Swell
Southwesterly 1.5 to 2.5 metres.
Weather
Cloudy. Near 100% chance of showers.

Friday 12 June

Winds
South to southwesterly 15 to 20 knots decreasing to about 10 knots during the afternoon.
Seas
1 to 1.5 metres, decreasing below 1 metre during the afternoon.
Swell
Southwesterly 1.5 to 2.5 metres.
Weather
Partly cloudy. 90% chance of showers. The chance of a thunderstorm in the morning.

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.

The next routine forecast will be issued at 7:01 am WST Tuesday.

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