Perth Coastal Waters Forecast: Two Rocks to Dawesville, offshore from Rottnest Island

View the current warnings for Western Australia

Forecast issued at 4:13 pm WST on Monday 17 December 2018.

Weather Situation

A trough lies over eastern parts of the State and slowly moves eastwards contracting into South Australia later this evening. A ridge builds to the south of the State during the week before a new trough deepens near the west coast from Friday.

Forecast for Monday until midnight

Strong Wind Warning for Monday for Perth Coast

Winds
South to southwesterly 20 to 25 knots shifting south to southeasterly in the evening. Winds reaching up to 30 knots at times.
Seas
2.5 to 3 metres.
Swell
Southwesterly 2 to 2.5 metres.
Weather
Clear.

Tuesday 18 December

Winds
South to southeasterly 15 to 20 knots becoming south to southwesterly 15 to 20 knots from about midday then becoming south to southeasterly 15 to 20 knots again in the evening. Winds reaching up to 25 knots during the mid to late afternoon. Winds tending 10 to 15 knots with the midday wind change.
Seas
1.5 to 2.5 metres, decreasing to 1 metre during the morning, then increasing to 1.5 to 2 metres during the afternoon.
Swell
Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres around midday.
Weather
Partly cloudy.

Wednesday 19 December

Winds
South to southeasterly 10 to 15 knots becoming south to southwesterly 15 to 20 knots from about midday, then becoming south to southeasterly 15 to 20 knots in the evening. Winds may reach up to 25 knots during the mid to late afternoon. Winds tending about 10 knots with the midday wind change.
Seas
1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then increasing to 1.5 to 2 metres during the afternoon.
Swell
Southwesterly 1.5 metres, increasing to 1.5 to 2 metres around midday.
Weather
Sunny.

Thursday 20 December

Winds
East to southeasterly 15 to 20 knots becoming south to southwesterly 15 to 20 knots from about midday, then becoming southeasterly 15 to 20 knots in the evening. Winds may reach up to 25 knots during the mid to late afternoon.
Seas
1 to 2 metres.
Swell
Southwesterly 1.5 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.

Nearby Coastal Waters

NT - Beagle Bonaparte Gulf Coastal Waters Forecast WA - North Kimberley - Coastal Waters Forecast WA - West Kimberley - Coastal Waters Forecast WA - Pilbara Coast East - Coastal Waters Forecast WA - Pilbara Coast West - Coastal Waters Forecast WA - Ningaloo Coast - Coastal Waters Forecast WA - Gascoyne Coast - Coastal Waters Forecast WA - Geraldton Coast - Coastal Waters Forecast WA - Lancelin Coast - Coastal Waters Forecast WA - Melville Local Waters Forecast WA - Perth Local Waters Forecast WA - Perth Coast- Coastal Waters Forecast WA - Bunbury Geographe Coast - Coastal Waters Forecast SA - Far West Coast - Coastal Waters Forecast WA - Leeuwin Coast - Coastal Waters Forecast WA - Albany Coast - Coastal Waters Forecast WA - Esperance Coast - Coastal Waters Forecast WA - Eucla Coast - Coastal Waters Forecast

The next routine forecast will be issued at 4:00 am WST Tuesday.

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