Australian Government

Bureau of Meteorology


Coastal Waters Forecast 

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IDW11130

Australian Government Bureau of Meteorology
Western Australia

Coastal Waters Forecast for Western Australia
Western Zones: North West Cape to Cape Naturaliste

Issued at 1:01 pm WST on Thursday 9 April 2026
for the period until midnight WST Sunday 12 April 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.

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 cold front passes south of the State tonight, while a ridge extends over southern parts of the State. A trough will develop near the west coast from Friday.

Ningaloo Coast: North West Cape to Cape Cuvier

Forecast for Thursday 9 April until midnight

Winds: South to southwesterly 15 to 20 knots, reaching up to 25 knots offshore south of Coral Bay in the evening. Seas: 1 to 1.5 metres. Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore. Weather: Sunny.

Forecast for Friday 10 April

Winds: South to southwesterly 15 to 20 knots. Seas: 1 to 2 metres, decreasing to 1 metre during the morning. Swell: South to southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore. Weather: Sunny.

Forecast for Saturday 11 April

Winds: South to southwesterly 10 to 15 knots. Seas: Around 1 metre. Swell: Southwesterly around 1 metre inshore, increasing to 1.5 to 2 metres offshore. Weather: Partly cloudy.

Forecast for Sunday 12 April

Winds: South to southwesterly 10 to 15 knots tending west to southwesterly below 10 knots during the afternoon. Seas: Below 1 metre. Swell: Southwesterly around 1 metre inshore, increasing to 1.5 metres offshore. Weather: Sunny.

Gascoyne Coast: Cape Cuvier to Kalbarri

Forecast for Thursday 9 April until midnight

Strong Wind Warning for Thursday for Gascoyne Coast

Winds: Southerly 20 to 25 knots, reaching up to 30 knots inshore in the late afternoon. Seas: 1.5 to 2 metres. Swell: South to southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore. Weather: Sunny.

Forecast for Friday 10 April

Winds: Southerly 15 to 25 knots. Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning. Swell: Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore. Weather: Sunny.

Forecast for Saturday 11 April

Winds: Southerly 15 to 20 knots becoming variable about 10 knots in the late evening. Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning. Swell: Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore. Weather: Sunny morning. The chance of a thunderstorm inshore in the afternoon.

Forecast for Sunday 12 April

Winds: East to southeasterly 10 to 15 knots turning south to southwesterly during the day. Seas: Below 1 metre. Swell: Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore south of Denham. Weather: Sunny.

Geraldton Coast: Kalbarri to Jurien Bay

Forecast for Thursday 9 April until midnight

Winds: Southerly 15 to 25 knots turning southeasterly 20 to 25 knots in the late evening. Seas: 1 to 2 metres. Swell: South to southwesterly 1.5 to 2.5 metres. Weather: Mostly sunny.

Forecast for Friday 10 April

Winds: Southeasterly 15 to 20 knots turning southerly in the middle of the day. Winds reaching up to 25 knots offshore early in the morning and again in the evening. Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning. Swell: South to southwesterly 1 to 1.5 metres inshore, increasing to 1 to 2 metres offshore. Weather: Mostly sunny.

Forecast for Saturday 11 April

Winds: South to southeasterly 15 to 20 knots tending east to southeasterly before dawn then tending south to southeasterly 10 to 15 knots in the middle of the day. Seas: 1 to 2 metres, decreasing below 1 metre during the morning. Swell: South to southwesterly 1 to 1.5 metres inshore, increasing to 1 to 2 metres offshore. Weather: Sunny morning. The chance of a thunderstorm in the afternoon.

Forecast for Sunday 12 April

Winds: East to northeasterly about 10 knots tending southerly 10 to 15 knots during the day then tending southeasterly during the evening. Seas: Below 1 metre. Swell: South to southwesterly 1 to 1.5 metres inshore, increasing to 1 to 2 metres offshore north of Geraldton. Weather: Sunny.

Lancelin Coast: Jurien Bay to Two Rocks

Forecast for Thursday 9 April until midnight

Winds: South to southeasterly 15 to 20 knots. Seas: Around 1 metre, increasing to 1.5 metres by early evening. Swell: Southwesterly 2 to 2.5 metres. Weather: Partly cloudy.

Forecast for Friday 10 April

Winds: Southeasterly 15 to 20 knots tending easterly in the early morning then turning south to southeasterly in the morning. 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 1.5 to 2 metres, decreasing to 1.5 metres during the afternoon. Weather: Partly cloudy.

Forecast for Saturday 11 April

Winds: Easterly 15 to 20 knots turning south to southeasterly 10 to 15 knots in the early afternoon. Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning. Swell: South to southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore. Weather: Mostly sunny morning. The chance of a thunderstorm in the afternoon and early evening.

Forecast for Sunday 12 April

Winds: East to northeasterly 10 to 15 knots becoming variable about 10 knots during the day then becoming southeast to southwesterly 10 to 15 knots during the afternoon. Seas: Around 1 metre. Swell: Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres during the afternoon. Weather: Sunny.

Perth Coast: Two Rocks to Dawesville

Forecast for Thursday 9 April until midnight

Winds: South to southeasterly 15 to 20 knots. Seas: Around 1 metre. Swell: Southwesterly 2 to 2.5 metres. Weather: Partly cloudy.

Forecast for Friday 10 April

Winds: East to southeasterly 15 to 20 knots. Seas: 1 to 1.5 metres. Swell: Southwesterly 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the afternoon. Weather: Partly cloudy.

Forecast for Saturday 11 April

Winds: Easterly 15 to 20 knots turning south to southeasterly 10 to 15 knots in the early afternoon. Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning. Swell: Southwesterly 1 to 1.5 metres. Weather: Sunny.

Forecast for Sunday 12 April

Winds: East to southeasterly 10 to 15 knots tending east to northeasterly during the morning then shifting southerly during the afternoon. Seas: Around 1 metre. Swell: Southwesterly 1 to 1.5 metres. Weather: Sunny.

Bunbury Geographe Coast: Dawesville to Cape Naturaliste

Forecast for Thursday 9 April until midnight

Winds: Southerly 15 to 20 knots tending southeasterly in the late evening. Seas: Below 1 metre. Swell: Southwesterly 1 to 2 metres inshore, increasing to 2 to 3 metres offshore. Weather: Partly cloudy.

Forecast for Friday 10 April

Winds: East to southeasterly 15 to 20 knots. Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning. Swell: South to southwesterly 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres by early evening. Weather: Partly cloudy.

Forecast for Saturday 11 April

Winds: Easterly 15 to 20 knots turning south to southeasterly 10 to 15 knots in the early afternoon. Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning. Swell: South to southwesterly below 1 metre inshore, increasing to 1 to 2 metres offshore. Weather: Sunny.

Forecast for Sunday 12 April

Winds: East to southeasterly 10 to 15 knots becoming variable about 10 knots during the day then becoming southerly 10 to 15 knots during the evening. Seas: Around 1 metre. 1st Swell: Southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore during the morning. 2nd Swell: South to southwesterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore. Weather: Sunny.

The next routine forecast will be issued at 7:01 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