IDW11130
Australian Government Bureau of Meteorology
Western Australia
Issued at 1:01 pm WST on Wednesday 17 June 2026
for the period until midnight WST Saturday 20 June 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 low pressure system over the western Eucla will weaken during Wednesday afternoon. A ridge is extending over southwest WA. A high pressure system will move over southern WA on Friday, ahead of the next cold front on Sunday.
Winds: Southeasterly 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 north of Coral Bay. Weather: Sunny.
Winds: Southeasterly 15 to 20 knots, reaching up to 25 knots offshore north of Coral Bay early in the morning. Seas: 1 to 2 metres, decreasing to 1 metre during the afternoon. Swell: Southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore. Weather: Sunny.
Winds: Southeasterly 15 to 20 knots turning easterly in the early morning. Seas: 1 to 1.5 metres, decreasing to 1 metre during the afternoon. 1st Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore during the morning. 2nd Swell: East to northeasterly below 1 metre inshore, increasing to around 1 metre offshore north of Coral Bay around midday. Weather: Sunny.
Winds: East to northeasterly 15 to 20 knots decreasing to about 10 knots during the evening. Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore north of Coral Bay during the morning. 1st Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore. 2nd Swell: Northeasterly around 1 metre. Weather: Mostly sunny.
Winds: Southeasterly 10 to 15 knots, reaching up to 20 knots offshore during the afternoon and evening. Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore north of Denham. Swell: Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore. Weather: Mostly sunny.
Winds: East to southeasterly 10 to 15 knots, reaching up to 20 knots offshore early in the morning and again in the evening. Seas: Below 1 metre, increasing to 1 to 1.5 metres offshore. Swell: South to southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore. Weather: Mostly sunny. 50% chance of showers offshore south of Denham in the morning. Near zero chance of rain elsewhere.
Winds: Easterly 15 to 20 knots. Seas: 1 to 1.5 metres, decreasing below 1 metre during the afternoon. Swell: Southwesterly 1.5 to 2 metres. Weather: Mostly sunny.
Winds: Easterly 10 to 15 knots tending northeasterly 15 to 20 knots during the morning then becoming variable about 10 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: Variable about 10 knots becoming south to southeasterly 10 to 15 knots in the late afternoon. Winds reaching up to 20 knots offshore south of Geraldton in the evening. Seas: Below 1 metre. Swell: South to southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore. Weather: Partly cloudy. 50% chance of showers.
Winds: Southeasterly 10 to 15 knots, reaching up to 20 knots offshore north of Geraldton in the evening. Winds turning easterly in the evening. Seas: Around 1 metre. Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore. Weather: 50% chance of showers in the early morning. Mostly sunny afternoon.
Winds: Easterly 10 to 15 knots. Seas: Around 1 metre. Swell: Southwesterly 1.5 to 2 metres. Weather: Mostly sunny.
Winds: Northeasterly 15 to 20 knots decreasing to about 10 knots during the afternoon. Seas: Around 1 metre. Swell: Southwesterly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore. Weather: Partly cloudy.
Winds: Southerly 10 to 15 knots turning southeasterly in the late evening. Winds reaching up to 20 knots offshore in the late evening. Seas: Around 1 metre. Swell: Southwesterly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore. Weather: Partly cloudy. 70% chance of showers.
Winds: Southeasterly 10 to 15 knots, reaching up to 20 knots offshore early in the morning. Winds turning easterly in the evening. Seas: Around 1 metre. Swell: Southwesterly 1.5 to 2.5 metres. Weather: Partly cloudy.
Winds: East to northeasterly 10 to 15 knots. Seas: Below 1 metre. Swell: Southwesterly 2 to 2.5 metres. Weather: Mostly sunny.
Winds: Northeasterly 10 to 15 knots turning northerly during the morning. Seas: Around 1 metre. Swell: Southwesterly 1.5 to 2 metres. Weather: Cloudy.
Winds: Southerly 15 to 20 knots tending southeasterly in the late evening. Seas: Around 1 metre. Swell: Southwesterly 1 to 2 metres. Weather: Partly cloudy. 50% chance of showers.
Winds: East to southeasterly 15 to 20 knots decreasing to about 10 knots in the middle of the day. Seas: 1 to 1.5 metres, decreasing below 1 metre during the morning. Swell: Southwesterly 1.5 to 2.5 metres. Weather: Partly cloudy.
Winds: Northeasterly 10 to 15 knots. Seas: Below 1 metre. Swell: Southwesterly 2 to 2.5 metres. Weather: Partly cloudy.
Winds: North to northeasterly 15 to 20 knots tending north to northwesterly 10 to 15 knots during the afternoon. Seas: Around 1 metre. Swell: Southwesterly 1.5 to 2 metres. Weather: Cloudy.
Winds: Southerly 10 to 15 knots, reaching up to 20 knots offshore during the afternoon and evening. Winds tending southeasterly in the evening. Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore. Swell: Southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore. Weather: Partly cloudy. 50% chance of showers offshore, near zero chance elsewhere.
Winds: Southeasterly 10 to 15 knots becoming variable about 10 knots in the early morning. Seas: 1 to 1.5 metres, decreasing below 1 metre during the morning. 1st Swell: Southwesterly 1.5 to 2.5 metres. 2nd Swell: Southerly around 1 metre. Weather: Partly cloudy.
Winds: East to northeasterly about 10 knots tending north to northeasterly 10 to 15 knots in the morning. Seas: Below 1 metre. Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2.5 metres offshore. Weather: Cloudy.
Winds: North to northeasterly 15 to 20 knots turning northwesterly 10 to 15 knots during the afternoon. Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore during the morning. Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore. Weather: Cloudy.
The next routine forecast will be issued at 7:01 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