IDW11130
Australian Government Bureau of Meteorology
Western Australia
Issued at 4:00 pm WST on Thursday 19 September 2024
for the period until midnight WST Sunday 22 September 2024.
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.
A firm high pressure ridge extends along the south coast. A weak west coast trough will form on Friday, move inland and deepen gradually later in the weekend. The ridge will shift eastwards over the weekend, ahead of a weak cold front brushing past the south coast on Monday. A new ridge of high pressure will extend along the southwest coast on Monday night.
Winds: Southerly 15 to 20 knots. Seas: 1 to 1.5 metres. Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore south of Coral Bay. Weather: Clear.
Winds: Southerly 15 to 25 knots, reaching up to 30 knots offshore in the evening. Seas: 1 to 1.5 metres, increasing to 1 to 2 metres during the afternoon. Swell: South to southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2.5 metres offshore. Weather: Partly cloudy.
Winds: Southerly 15 to 20 knots. Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning. Swell: South to southwesterly 1.5 to 2 metres inshore, increasing to 2 to 3 metres offshore. Weather: Partly cloudy.
Winds: Southerly 10 to 15 knots turning southwesterly during the morning. Seas: Around 1 metre. Swell: Southwesterly 1.5 to 2 metres inshore, increasing to 2 to 3 metres offshore. Weather: Partly cloudy.
Winds: Southerly 15 to 25 knots. Seas: 1.5 to 2 metres. Swell: Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2.5 metres offshore. Weather: Clear.
Winds: Southerly 15 to 25 knots, reaching up to 30 knots offshore south of Denham in the evening. 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: Southerly 2 to 3 metres. Weather: Sunny.
Winds: Southerly 20 to 30 knots. Seas: 1 to 2 metres, increasing to 2 to 3 metres south of Denham. Swell: Southerly 2 to 3 metres. Weather: Mostly sunny.
Winds: South to southeasterly 20 to 30 knots. Seas: 1 to 1.5 metres, increasing to 1.5 to 2.5 metres south of Denham. Swell: Southerly 1.5 to 2.5 metres inshore, increasing to 2 to 4 metres offshore. Weather: Mostly sunny.
Winds: Southerly 20 to 25 knots, reaching up to 30 knots offshore south of Geraldton in the evening. Seas: 1.5 to 2 metres. Swell: Southwesterly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore. Weather: Clear.
Winds: Southerly 15 to 25 knots, reaching up to 30 knots during the afternoon and evening. Seas: 1.5 to 2 metres, increasing to 2.5 to 3 metres during the afternoon. Swell: Southwesterly 2 to 3 metres. Weather: Sunny.
Winds: South to southeasterly 20 to 30 knots. Seas: 2 to 3 metres. Swell: South to southwesterly 2 to 3 metres. Weather: Sunny.
Winds: Southeasterly 20 to 30 knots turning southerly 15 to 25 knots during the day. Seas: 2 to 2.5 metres, decreasing to 1 to 1.5 metres during the morning. Swell: South to southwesterly 1.5 to 2.5 metres. Weather: Mostly sunny.
Winds: Southerly 20 to 30 knots. Seas: 1.5 to 2.5 metres. Swell: Southwesterly 2 to 2.5 metres. Weather: Clear.
Winds: South to southeasterly 20 to 25 knots, reaching up to 30 knots during the afternoon and evening. Seas: 1.5 to 2.5 metres. Swell: Southwesterly 2.5 to 3 metres. Weather: Sunny.
Winds: South to southeasterly 20 to 25 knots. Seas: 1.5 to 2.5 metres. Swell: South to southwesterly 2.5 to 3 metres. Weather: Mostly sunny.
Winds: Southeasterly 15 to 25 knots tending southerly during the day. Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning. Swell: Southwesterly 2 metres inshore, increasing to 2.5 to 3 metres offshore. Weather: Sunny.
Winds: Southerly 20 to 25 knots increasing to 25 to 30 knots in the evening. Seas: 1.5 to 2 metres. Swell: Southwesterly 1.5 to 2.5 metres. Weather: Clear.
Winds: South to southeasterly 15 to 25 knots. Seas: 1.5 to 2 metres. Swell: Southwesterly 2 to 3 metres. Weather: Mostly sunny.
Winds: South to southeasterly 15 to 25 knots. Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning. Swell: Southwesterly 2 to 3 metres. Weather: Partly cloudy.
Winds: Southeasterly 15 to 20 knots tending southerly 15 to 25 knots during the day. Seas: 1 to 1.5 metres. Swell: Southwesterly 1.5 to 2.5 metres. Weather: Sunny.
Winds: Southerly 15 to 20 knots, reaching up to 25 knots offshore in the late evening. Seas: Around 1 metre, increasing to 1 to 1.5 metres by early evening. Swell: Southwesterly 1 to 2 metres inshore, increasing to 2 to 3 metres offshore. Weather: Clear.
Winds: South to southeasterly 15 to 20 knots. Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres during the afternoon. Swell: South to southwesterly 1 to 2 metres inshore, increasing to 2 to 3 metres offshore. Weather: Cloudy.
Winds: South to southeasterly 15 to 20 knots. Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning. Swell: Southwesterly 1 to 2 metres inshore, increasing to 2 to 3 metres offshore. Weather: Cloudy.
Winds: Southeasterly 15 to 20 knots turning southerly during the day. Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore. Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2.5 metres offshore. Weather: Partly cloudy.
The next routine forecast will be issued at 4:00 am WST Friday.
* 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