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 Saturday 28 November 2020.

Weather Situation

An Indian Ocean high extends a ridge through the Perth area. The high will move eastward today, reaching the Bight by Sunday. A cold front is expected to cross the lower west coast on Sunday night and Monday morning, followed by a new ridge strengthening over the west coast on Monday.

Forecast for Saturday until midnight

Winds
South to southeasterly 15 to 20 knots easing to 10 to 15 knots by mid morning, then becoming south to southwesterly 15 to 25 knots from around midday.
Seas
1 to 1.5 metres, increasing to 2 to 2.5 metres during the afternoon.
Swell
Southwesterly 1.5 to 2 metres.
Weather
Mostly sunny.

Sunday 29 November

Winds
Southerly 15 to 20 knots, easing to 10 to 15 knots before dawn, then tending southwesterly 15 to 20 knots in the afternoon.
Seas
1.5 to 2.5 metres, decreasing below 1 metre during the morning, then increasing to 1.5 metres during the afternoon.
Swell
Southwesterly 1 to 1.5 metres, decreasing to around 1 metre by early evening.
Weather
Partly cloudy.

Monday 30 November

Winds
Southwesterly 15 to 25 knots, increasing to 20 to 30 knots in the afternoon, and tending southerly 20 to 25 knots in the evening.
Seas
1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
Swell
Southwesterly 1 to 1.5 metres, increasing to 2 to 3 metres during the morning.
Weather
Partly cloudy. 60% chance of showers.

Tuesday 1 December

Winds
Southeasterly 15 to 20 knots easing to 10 to 15 knots before dawn. Winds tending south to southwesterly from around midday and increasing to 15 to 25 knots in the afternoon.
Seas
1 to 2 metres.
Swell
Southwesterly 2 to 3 metres, decreasing to 1.5 to 2 metres during the evening.
Weather
Mostly sunny.

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 Saturday.

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