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Coastal Waters Forecast 

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IDW11140

Australian Government Bureau of Meteorology
Western Australia

Coastal Waters Forecast for Western Australia
Southern Zones: Cape Naturaliste to WA-SA Border

Issued at 4:00 am WST on Wednesday 8 February 2023
for the period until midnight WST Friday 10 February 2023.

Please be aware
Wind 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.

Warning Information

For latest warnings go to www.bom.gov.au, subscribe to RSS feeds, call 1300 659 210* or listen for warnings on relevant TV and radio broadcasts.

Weather Situation

A deep surface trough extends from the western Pilbara through to the southeast of the State. The trough will continue to move eastwards today as a new high pressure ridge develops across the southwest coast. The southern end of the trough will be pushed northeast out of the state by Thursday and the ridge continues to extend east along the south coast. A weak trough will develop near the west coast on Thursday before moving east ahead of a cold front moving through the Southern Ocean later in the week.

Leeuwin Coast: Cape Naturaliste to Walpole

Forecast for Wednesday 8 February until midnight

Winds: Southeasterly 15 to 20 knots. Seas: Around 1 metre, increasing to 1 to 1.5 metres during the afternoon. 1st Swell: Southeasterly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon. 2nd Swell: Southwesterly around 1 metre. Weather: Partly cloudy.

Forecast for Thursday 9 February

Winds: Southeasterly 10 to 15 knots, reaching up to 20 knots north of Cape Leeuwin during the day. Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning, increasing to 1 to 1.5 metres inshore during the afternoon. 1st Swell: Southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore. 2nd Swell: Southeasterly around 1 metre. Weather: Cloudy.

Forecast for Friday 10 February

Winds: Northeast to southeasterly 10 to 15 knots tending south to southwesterly 15 to 20 knots during the morning. Seas: Around 1 metre, increasing to 1 to 1.5 metres during the afternoon or evening. Swell: Southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore. Weather: Partly cloudy.

Albany Coast: Walpole to Bremer Bay

Forecast for Wednesday 8 February until midnight

Winds: Southeasterly 10 to 15 knots decreasing to about 10 knots in the morning. Seas: Below 1 metre. 1st Swell: Southeasterly 1 to 1.5 metres. 2nd Swell: Southwesterly around 1 metre. Weather: Cloudy.

Forecast for Thursday 9 February

Winds: Southeasterly about 10 knots tending easterly 10 to 15 knots in the late afternoon then decreasing to about 10 knots in the late evening. Seas: Below 1 metre. 1st Swell: Southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore west of Albany. 2nd Swell: East to southeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore east of Albany. Weather: Cloudy.

Forecast for Friday 10 February

Winds: East to northeasterly 10 to 15 knots becoming variable about 10 knots during the morning then becoming southwesterly 15 to 20 knots during the day. Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore west of Albany during the afternoon or evening. Swell: Southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore. Weather: Partly cloudy.

Esperance Coast: Bremer Bay to Israelite Bay

Forecast for Wednesday 8 February until midnight

Winds: Southerly 10 to 15 knots. Seas: Below 1 metre. 1st Swell: Southeasterly 1 to 1.5 metres. 2nd Swell: Southwesterly around 1 metre. Weather: Cloudy.

Forecast for Thursday 9 February

Winds: Southerly 10 to 15 knots turning east to southeasterly below 10 knots during the afternoon and evening. Seas: Below 1 metre. 1st Swell: Southeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning. 2nd Swell: Southwesterly around 1 metre. Weather: Cloudy.

Forecast for Friday 10 February

Winds: East to southeasterly about 10 knots tending east to northeasterly 10 to 15 knots during the morning then tending southeast to southwesterly during the evening. Seas: Below 1 metre. 1st Swell: Southwesterly around 1 metre, increasing to 1 to 1.5 metres west of Esperance. 2nd Swell: Southeasterly around 1 metre. Weather: Partly cloudy.

Eucla Coast: Israelite Bay to WA-SA Border

Forecast for Wednesday 8 February until midnight

Winds: Southwesterly 15 to 20 knots. Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning. 1st Swell: Easterly 1.5 metres, tending southeasterly 1 to 1.5 metres around midday, then decreasing to around 1 metre by early evening. 2nd Swell: Southerly around 1 metre. Weather: Mostly sunny.

Forecast for Thursday 9 February

Winds: Southwesterly 15 to 20 knots turning southerly in the afternoon. Seas: 1 to 1.5 metres. 1st Swell: Southeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning. 2nd Swell: Southerly around 1 metre. Weather: Cloudy.

Forecast for Friday 10 February

Winds: Southerly 10 to 15 knots becoming variable about 10 knots during the morning then becoming east to southeasterly 10 to 15 knots during the afternoon. Seas: Around 1 metre. 1st Swell: Southwesterly around 1 metre. 2nd Swell: Southeasterly around 1 metre. Weather: Partly cloudy.

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

* Calls to 1300 numbers cost around 27.5c incl. GST, higher from mobiles or public phones. Marine forecasts are also available on VHF and HF radio. View the radio schedule on www.bom.gov.au/marine

Check the latest Coastal Waters Forecasts for information on wind, wave and weather conditions for neighbouring coastal zones