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 Sunday 17 February 2019.

Weather Situation

A ridge of high pressure is developing to the south of the State. The high pressure system will be established over the Bight on Wednesday. A surface trough will develop down the west coast over the next few days.

Forecast for Sunday until midnight

Winds
Southeasterly 10 to 15 knots turning south to southwesterly 15 to 20 knots in the morning then tending south to southeasterly 10 to 15 knots in the late evening. Winds reaching up to 25 knots along the coastal fringe in the afternoon.
Seas
Around 1 metre, increasing to 1 to 1.5 metres around midday, then increasing to 1.5 to 2 metres during the afternoon.
Swell
Southwesterly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning.
Weather
Sunny.

Monday 18 February

Winds
Easterly 15 to 20 knots becoming variable about 10 knots in the morning then becoming south to southwesterly 15 to 20 knots in the middle of the day.
Seas
Around 1 metre, increasing to 1 to 1.5 metres during the afternoon.
Swell
Southwesterly 1 to 1.5 metres.
Weather
Sunny.

Tuesday 19 February

Winds
South to southeasterly 10 to 15 knots tending south to southwesterly 15 to 20 knots during the morning.
Seas
1 to 1.5 metres.
Swell
Southwesterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Weather
Sunny.

Wednesday 20 February

Winds
East to southeasterly 10 to 15 knots turning southerly below 10 knots during the morning then tending southwesterly 15 to 20 knots during the day.
Seas
1 to 1.5 metres.
Swell
Southwesterly around 1 metre, increasing to 1 to 1.5 metres during the afternoon or evening.
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.

The next routine forecast will be issued at 4:00 pm WST Sunday.

Product IDW11400