IDW11130
Australian Government Bureau of Meteorology
Western Australia
Issued at 1:07 am WST on Thursday 9 July 2026
for the period until midnight WST Saturday 11 July 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.
A weak ridge lies over southern parts of the state, moving east ahead of a weak cold front brushing the south coast later today and into Friday. A new ridge develops along the south coast on Saturday.
Winds: Variable below 10 knots. Seas: Below 0.5 metres. Swell: Southwesterly 2 to 2.5 metres. Weather: Sunny.
Winds: Variable about 10 knots. Seas: Below 1 metre. Swell: Southwesterly 2 to 2.5 metres. Weather: Sunny.
Winds: Variable about 10 knots. Seas: Below 1 metre. Swell: Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres during the morning. Weather: Sunny.
Winds: Southeasterly 10 to 15 knots becoming variable about 10 knots before dawn. Seas: Below 1 metre. Swell: Southwesterly 2 to 3 metres. Weather: Sunny.
Winds: Variable about 10 knots becoming southeasterly 10 to 15 knots in the late evening. Seas: Below 0.5 metres. Swell: Southwesterly 1.5 to 2.5 metres. Weather: Partly cloudy.
Winds: East to southeasterly 10 to 15 knots tending south to southeasterly 15 to 20 knots during the afternoon. Seas: Around 1 metre. Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore. Weather: Partly cloudy.
Winds: East to northeasterly about 10 knots becoming north to northwesterly in the middle of the day then becoming west to southwesterly in the early afternoon. Seas: Below 1 metre. Swell: Southwesterly 2 to 3 metres. Weather: Sunny.
Winds: Variable about 10 knots becoming southeasterly 10 to 15 knots in the early afternoon. Seas: Below 1 metre. Swell: Southwesterly 1.5 to 2.5 metres. Weather: Partly cloudy.
Winds: Southeasterly 15 to 20 knots. Seas: Around 1 metre. Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore. Weather: Mostly sunny.
Winds: East to northeasterly below 10 knots becoming north to northwesterly in the morning then becoming west to southwesterly in the late afternoon. Seas: Below 1 metre. Swell: Southwesterly 2 to 3 metres. Weather: Mostly sunny.
Winds: Variable about 10 knots becoming southerly 10 to 15 knots in the early afternoon then tending southeasterly in the late evening. Seas: Below 1 metre. Swell: Southwesterly 1.5 to 2.5 metres. Weather: Partly cloudy. 60% chance of showers.
Winds: Southeasterly 15 to 20 knots. Seas: 1 to 1.5 metres, decreasing to 1 metre during the afternoon. Swell: Southwesterly 1.5 to 2.5 metres. Weather: Partly cloudy.
Winds: Variable below 10 knots becoming northwesterly 10 to 15 knots in the middle of the day then turning west to southwesterly in the afternoon. Seas: Below 1 metre. Swell: Southwesterly 2.5 to 3 metres. Weather: Partly cloudy. 80% chance of showers.
Winds: Southwesterly 10 to 15 knots tending southerly in the early morning. Seas: Below 1 metre. Swell: Southwesterly 2 to 2.5 metres. Weather: Partly cloudy. 80% chance of showers.
Winds: Southeasterly 10 to 15 knots decreasing to about 10 knots during the day. Seas: Around 1 metre. Swell: Southwesterly 2 to 2.5 metres. Weather: Partly cloudy.
Winds: Variable about 10 knots becoming west to southwesterly 10 to 15 knots in the evening. Seas: Below 1 metre. Swell: West to southwesterly 1 to 2 metres inshore, increasing to 2 to 3 metres offshore. Weather: Cloudy. 95% chance of showers.
Winds: Southwesterly 10 to 15 knots turning southerly in the morning. Seas: Below 1 metre. Swell: Southwesterly 1.5 to 2.5 metres. Weather: Partly cloudy. 70% chance of showers.
Winds: Southerly 10 to 15 knots turning southeasterly during the morning. Seas: Below 1 metre. Swell: Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres during the morning. Weather: Cloudy.
The next routine forecast will be issued at 7:01 am 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