IDW11130
Australian Government Bureau of Meteorology
Western Australia
Issued at 7:01 am WST on Thursday 10 September 2026
for the period until midnight WST Saturday 12 September 2026.
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.
East to northeasterly winds continue with a high pressure system located in the Bight. Winds turning northwesterly on Friday as the high moves east ahead of a weak cold front moving over the southwest corner on Saturday. A second weak cold front will follow later Sunday.
Winds: Northeast to southeasterly 10 to 15 knots becoming variable about 10 knots in the middle of the day. Seas: Below 1 metre, increasing to around 1 metre offshore south of Coral Bay. Swell: Southwesterly 2 to 2.5 metres. Weather: Sunny.
Winds: Variable about 10 knots becoming southwesterly 10 to 15 knots in the early afternoon. Seas: Around 1 metre. Swell: Southwesterly 2 metres. Weather: Sunny.
Winds: South to southwesterly 10 to 15 knots tending south to southeasterly during the morning then tending south to southwesterly 15 to 20 knots during the day. Seas: Around 1 metre, increasing to 1 to 1.5 metres inshore during the evening. Swell: Southwesterly 2 to 2.5 metres. Weather: Sunny.
Winds: Easterly 15 to 20 knots becoming variable about 10 knots in the middle of the day then becoming southerly 10 to 15 knots in the late afternoon. Seas: 1 to 1.5 metres, decreasing to 1 metre around midday. Swell: Southwesterly 1.5 to 2.5 metres. Weather: Sunny.
Winds: Variable about 10 knots becoming west to northwesterly 10 to 15 knots in the middle of the day then tending west to southwesterly in the evening. Seas: Below 1 metre. Swell: Southwesterly 1.5 to 2.5 metres. Weather: Sunny.
Winds: West to southwesterly 10 to 15 knots tending south to southwesterly below 10 knots during the morning. Seas: Below 1 metre. Swell: Southwesterly 2 to 3 metres. Weather: Sunny.
Winds: Easterly 10 to 15 knots, reaching up to 20 knots offshore during the morning. Winds turning south to southeasterly in the early afternoon then tending east to southeasterly in the late evening. Seas: 1 to 1.5 metres, decreasing below 1 metre around midday. Swell: Southwesterly 2 to 2.5 metres. Weather: Sunny.
Winds: East to northeasterly 10 to 15 knots, reaching up to 20 knots offshore south of Geraldton during the morning. Winds shifting west to northwesterly in the late morning and early afternoon. Seas: Around 1 metre. Swell: Southwesterly 1.5 to 2.5 metres. Weather: Sunny.
Winds: Westerly 10 to 15 knots turning south to southwesterly below 10 knots during the morning. Seas: Below 1 metre. Swell: Southwesterly 2 to 3 metres. Weather: Mostly sunny.
Winds: East to northeasterly 10 to 15 knots, reaching up to 20 knots offshore during the morning. Winds turning south to southeasterly below 10 knots in the early afternoon then tending easterly 10 to 15 knots in the evening. Seas: 1 to 1.5 metres, decreasing below 1 metre around midday. Swell: Southwesterly 1.5 to 2.5 metres. Weather: Mostly sunny.
Winds: Northeasterly 10 to 15 knots, reaching up to 20 knots offshore during the morning. Winds turning northwesterly in the early afternoon. Seas: Around 1 metre. Swell: Southwesterly 1.5 to 2.5 metres. Weather: Mostly sunny.
Winds: West to northwesterly 15 to 20 knots tending west to southwesterly during the morning then decreasing to below 10 knots during the day. Seas: 1 to 1.5 metres, decreasing below 1 metre during the morning. Swell: Southwesterly 2.5 to 3 metres. Weather: Partly cloudy. 60% chance of showers.
Winds: Northeasterly 15 to 20 knots turning southeasterly 10 to 15 knots in the early afternoon then tending easterly in the late evening. Seas: 1.5 metres, decreasing to 1 metre around midday. Swell: Southwesterly 2 to 2.5 metres. Weather: Sunny.
Winds: Northeasterly 15 to 20 knots turning northwesterly in the afternoon. Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing to 1 metre around midday. Swell: Southwesterly 2 to 2.5 metres. Weather: Mostly sunny.
Winds: West to northwesterly 15 to 25 knots tending west to southwesterly 15 to 20 knots during the morning then becoming west to northwesterly about 10 knots during the evening. Seas: 1 to 2 metres, decreasing below 1 metre during the afternoon. Swell: Southwesterly 2.5 to 3 metres. Weather: Partly cloudy. 60% chance of showers. The chance of a thunderstorm in the morning.
Winds: Northeasterly 15 to 20 knots becoming variable about 10 knots in the early afternoon. Seas: 1 to 1.5 metres, decreasing to 1 metre around midday. Swell: Southwesterly 1.5 to 2.5 metres. Weather: Sunny.
Winds: East to northeasterly 10 to 15 knots turning north to northwesterly 15 to 20 knots in the late morning and early afternoon. Seas: Below 1 metre, increasing to 1 to 1.5 metres during the morning. Swell: Southwesterly 1.5 to 2.5 metres. Weather: Mostly sunny.
Winds: Northwesterly 20 to 30 knots turning westerly 15 to 25 knots during the morning. Seas: 1 to 2 metres, decreasing below 1 metre during the afternoon. Swell: West to southwesterly 1 to 2 metres inshore, increasing to 2 to 3 metres offshore. Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm in the morning.
The next routine forecast will be issued at 1:01 pm WST Thursday.
* 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