Leeuwin Coastal Waters Forecast: Cape Naturaliste to Walpole

View the current warnings for Western Australia

Forecast issued at 10:00 pm WST on Friday 18 September 2020.

Weather Situation

A broad surface trough will form lies inland from the west coast ahead of a cold front. The cold front will move over the southwest of the State on Saturday morning and will reach the Esperance coast by Saturday evening. A ridge develops over the central west coast in the wake of the front on Sunday and will slowly move southwards during Monday and Tuesday.

Forecast for Friday until midnight

Winds
Northwesterly 15 to 20 knots.
Seas
1.5 metres.
Swell
East to southeasterly below 1 metre, increasing to 1 to 2 metres east of Cape Leeuwin.
Weather
Cloudy.

Saturday 19 September

Gale Warning for Saturday for Leeuwin Coast

Winds
Northwesterly 20 to 30 knots turning west to southwesterly 25 to 30 knots before dawn. Winds reaching up to 35 knots east of Cape Leeuwin in the late evening. Squalls to 50 knots possible in the afternoon and evening.
Seas
1.5 metres, increasing to 2 to 3 metres during the morning.
1st Swell
Southwesterly around 1 metre, tending westerly 2 to 3 metres during the morning, then tending west to southwesterly 3 to 4 metres by early evening.
2nd Swell
East to southeasterly 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then decreasing to around 1 metre around midday.
Weather
Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the afternoon and evening. Possible hail.

Sunday 20 September

Winds
Southwesterly 30 to 40 knots decreasing to 20 to 30 knots in the early afternoon then decreasing to 20 to 25 knots in the late evening.
Seas
2.5 to 4 metres.
Swell
Southwesterly 4 to 6 metres, increasing to 6 to 8 metres east of Cape Leeuwin during the morning.
Weather
Cloudy. 80% chance of showers. The chance of a thunderstorm in the morning. Possible hail in the morning.
Caution
Dangerous surf conditions hazardous for coastal activities such as swimming, surfing and rock fishing.

Monday 21 September

Winds
Southwesterly 15 to 25 knots tending westerly 15 to 20 knots during the day.
Seas
2 to 3 metres, decreasing to 1 to 2 metres during the morning.
Swell
Southwesterly 5 to 6 metres, tending southerly 3 to 5 metres during the morning.
Weather
Cloudy. 70% chance of showers.
Caution
Dangerous surf conditions hazardous for coastal activities such as swimming, surfing and rock fishing, easing in the afternoon.

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.

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

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