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

View the current warnings for Western Australia

Forecast issued at 4:05 pm WST on Thursday 5 March 2015.

Weather Situation

A ridge of high pressure to the south of the State will persist throughout the forecast period, gradually strengthening during Friday and the weekend.

Forecast for Thursday until midnight

Winds
Southerly 15 to 20 knots. Winds turning east to southeasterly around 10 knots in the late evening.
Seas
1 to 1.5 metres.
Swell
Southwesterly around 1 metre, increasing to 1 to 1.5 metres by early evening.
Weather
Clear.

Friday 6 March

Winds
Easterly 10 to 15 knots, becoming light south to southwesterly below 10 knots for a few hours during the late morning. Winds then becoming 15 to 20 knots south to southwesterly around midday, strengthening to 20 to 25 knots by early evening, before tending south to southeasterly 15 to 20 knots in the late evening.
Seas
Below 1 metre, increasing to 1 to 2 metres around midday.
Swell
Southwesterly 1 to 1.5 metres, decreasing to around 1 metre during the morning, then increasing to 1 to 1.5 metres during the afternoon.
Weather
Sunny.

Saturday 7 March

Winds
East to southeasterly 15 to 20 knots, becoming variable about 10 knots for a period during the late morning. Winds then becoming south to southwesterly 15 to 20 knots by early afternoon, strengthening to 20 to 25 knots by early evening, before tending south to southeasterly 15 to 20 knots in the late evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres during the afternoon.
Swell
Southwesterly around 1 metre, increasing to 1 to 1.5 metres during the morning, then tending west to southwesterly 1.5 to 2 metres during the afternoon.
Weather
Sunny.

Sunday 8 March

Winds
Southeasterly 15 to 20 knots tending southerly 15 to 20 knots during the late morning. Winds increasing to 20 to 25 knots for a period during the late afternoon and early evening, before tending south to southeasterly around 15 knots during the late evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres during the afternoon.
Swell
West to southwesterly 1.5 to 2 metres.
Weather
Sunny.

Monday 9 March

Winds
East to southeasterly 10 to 15 knots turning southerly 15 to 20 knots during the morning.
Seas
1 to 1.5 metres.
Swell
Southwesterly 1 to 2 metres.
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 am WST Friday.

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