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

View the current warnings for Western Australia

Forecast issued at 4:00 am WST on Monday 28 September 2020.

Weather Situation

A weak cold front will move through the Local Waters during Monday. Expect light to moderate westerly wind regime with a weak ridge of high pressure just of the north of the Local Waters.

Forecast for Monday until midnight

Winds
West to southwesterly 10 to 15 knots, easing to 5 to 10 knots inshore for periods during the day.
Seas
Below 1 metre.
Swell
Westerly around 1 metre, increasing to 1 to 1.5 metres around midday, then tending west to southwesterly 1 to 1.5 metres by early evening.
Weather
Partly cloudy. 80% chance of showers in the morning and early afternoon.

Tuesday 29 September

Winds
Westerly 10 to 15 knots.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell
West to southwesterly 1.5 metres, increasing to 1.5 to 2 metres during the morning.
Weather
Cloudy.

Wednesday 30 September

Winds
West to southwesterly about 10 knots tending west to northwesterly 10 to 15 knots during the day.
Seas
Below 1 metre.
Swell
West to southwesterly 2 to 3 metres.
Weather
Cloudy.

Thursday 1 October

Winds
Westerly 10 to 15 knots.
Seas
Below 1 metre.
Swell
West to southwesterly 2 to 3 metres.
Weather
Cloudy.

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 4:00 pm WST Monday.

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