Forecast issued at 4:00 am WST on Monday 5 December 2016.
A ridge of high pressure lies across the south of the state. A weak cold front will move across far southwestern waters on Monday, ahead of a stronger cold front which will move across southern coastal waters throughout Wednesday. A high pressure ridge will develop along the south coast in its wake.
Forecast for Monday until midnight
- Westerly 10 to 15 knots, reaching up to 20 knots offshore east of Cape Leeuwin in the late morning and afternoon. Winds turning southwesterly in the early afternoon.
- Around 1 metre, increasing to 1 to 1.5 metres east of Cape Leeuwin during the morning.
- Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres by early evening.
- Cloudy. 40% chance of showers.
Tuesday 6 December
- Southwesterly about 10 knots tending westerly 10 to 15 knots before dawn then increasing to 15 to 25 knots in the middle of the day.
- Around 1 metre, increasing to 1 to 1.5 metres around midday.
- Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres offshore east of Cape Leeuwin.
- Cloudy. 20% chance of a shower offshore east of Cape Leeuwin.
Wednesday 7 December
- West to southwesterly 20 to 30 knots turning south to southeasterly 15 to 20 knots during the afternoon.
- 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the afternoon or evening.
- 1st Swell
- Southwesterly 1.5 to 2.5 metres, increasing to 3 to 5 metres during the morning.
- 2nd Swell
- South to southeasterly below 1 metre, tending northwesterly 1 to 1.5 metres during the morning.
- Cloudy. 30% chance of a shower.
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
- This forecast is also available via scheduled broadcasts on marine radio.
- Latest Coastal Observations
- Tide Predictions
The next routine forecast will be issued at 4:00 pm WST Monday.