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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 7:01 am WST on Tuesday 9 June 2026
for the period until midnight WST Thursday 11 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.

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 is weakening across the north and east early this morning. A further cold front is brushing the south coast of the state during this morning. A ridge will establish itself later today and through Wednesday. An approaching cold front and trough on Thursday will produce a cloud band over northern parts of the Geraldton and through Gascoyne waters, weakening and moving east on Friday.

Ningaloo Coast: North West Cape to Cape Cuvier

Forecast for Tuesday 9 June until midnight

Winds: South to southwesterly about 10 knots. Seas: Below 1 metre. Swell: Southwesterly 2 to 3 metres. Weather: Partly cloudy. 60% chance of showers.

Forecast for Wednesday 10 June

Winds: Variable below 10 knots. Seas: Below 0.5 metres. Swell: Southwesterly 2.5 to 3 metres inshore, increasing to 3 to 4 metres offshore south of Coral Bay. Weather: Partly cloudy.

Forecast for Thursday 11 June

Winds: North to northwesterly 15 to 20 knots increasing to 25 knots before turning westerly 15 to 20 knots during the afternoon. Seas: Around 1 metre, increasing to 1 to 2 metres during the morning. Swell: Southwesterly 2 to 3 metres, decreasing to 2 metres during the evening. Weather: Cloudy. 95% chance of showers. The chance of a thunderstorm in the afternoon and evening.

Gascoyne Coast: Cape Cuvier to Kalbarri

Forecast for Tuesday 9 June until midnight

Winds: South to southwesterly 15 to 20 knots decreasing to below 10 knots in the late evening. Seas: 1 to 1.5 metres, decreasing below 1 metre around midday. Swell: Southwesterly 3 to 5 metres. Weather: Partly cloudy. 60% chance of showers.

Forecast for Wednesday 10 June

Winds: Variable about 10 knots. Seas: Below 1 metre. Swell: Southwesterly 3 to 5 metres, decreasing to 2.5 to 3 metres by early evening. Weather: Partly cloudy. 60% chance of showers.

Forecast for Thursday 11 June

Winds: North to northwesterly 15 to 25 knots shifting southwesterly 15 to 20 knots during the evening. Seas: Below 1 metre, increasing to 1 to 2 metres during the morning. Swell: Southwesterly 2 to 3 metres. Weather: Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the afternoon and evening.

Geraldton Coast: Kalbarri to Jurien Bay

Forecast for Tuesday 9 June until midnight

Winds: South to southwesterly 15 to 20 knots becoming variable about 10 knots in the evening. Seas: 1 to 1.5 metres, decreasing below 1 metre during the afternoon. Swell: Southwesterly 3 to 5 metres. Weather: Partly cloudy. 60% chance of showers. Caution: Large and powerful surf conditions from 3am to midnight are expected to be hazardous for coastal activities such as swimming, surfing and rock fishing.

Forecast for Wednesday 10 June

Winds: Variable about 10 knots. Seas: Below 1 metre. Swell: Southwesterly 3 to 5 metres, decreasing to 3 metres by early evening. Weather: Cloudy. 70% chance of showers.

Forecast for Thursday 11 June

Winds: Variable about 10 knots becoming southwesterly 15 to 20 knots during the afternoon. Seas: Below 1 metre. Swell: Southwesterly 2 to 3 metres. Weather: Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the afternoon and evening.

Lancelin Coast: Jurien Bay to Two Rocks

Forecast for Tuesday 9 June until midnight

Winds: Southwesterly 15 to 25 knots tending south to southwesterly 10 to 15 knots in the middle of the day then becoming variable below 10 knots in the late evening. Seas: 1 to 2 metres, decreasing below 1 metre during the afternoon. Swell: Southwesterly 5 to 6 metres. Weather: Partly cloudy. Caution: Large and powerful surf conditions are expected to be hazardous for coastal activities such as swimming, surfing and rock fishing.

Forecast for Wednesday 10 June

Winds: Variable about 10 knots. Seas: Below 1 metre. Swell: Southwesterly 3 to 5 metres. Weather: Cloudy. 60% chance of showers.

Forecast for Thursday 11 June

Winds: North to northwesterly about 10 knots tending west to southwesterly 15 to 20 knots during the day. Seas: Below 1 metre. Swell: Southwesterly 2.5 to 3 metres. Weather: Cloudy. Near 100% chance of showers.

Perth Coast: Two Rocks to Dawesville

Forecast for Tuesday 9 June until midnight

Strong Wind Warning for Tuesday for Perth Coast

Winds: Southwesterly 15 to 25 knots decreasing to about 10 knots in the early afternoon. Seas: 2.5 metres, decreasing to 1 to 1.5 metres during the morning, then decreasing below 1 metre during the afternoon. Swell: Southwesterly 5 to 6 metres. Weather: Cloudy.

Forecast for Wednesday 10 June

Winds: West to northwesterly about 10 knots tending north to northwesterly 10 to 15 knots in the morning then becoming west to northwesterly about 10 knots in the early afternoon. Seas: Below 1 metre. Swell: Southwesterly 3 to 5 metres, decreasing to 3 metres by early evening. Weather: Cloudy. 70% chance of showers.

Forecast for Thursday 11 June

Winds: Northwesterly 10 to 15 knots turning west to southwesterly 15 to 20 knots during the afternoon. Seas: Around 1 metre. Swell: Southwesterly 2.5 to 3 metres. Weather: Cloudy. Near 100% chance of showers.

Bunbury Geographe Coast: Dawesville to Cape Naturaliste

Forecast for Tuesday 9 June until midnight

Strong Wind Warning for Tuesday for Bunbury Geographe Coast

Winds: Southwesterly 15 to 25 knots, reaching up to 30 knots offshore during the morning. Winds decreasing to 10 to 15 knots in the middle of the day then turning west to northwesterly below 10 knots in the late evening. Seas: 1.5 to 2.5 metres, decreasing below 1.5 metres around midday, then decreasing below 1 metre during the afternoon. Swell: Southwesterly 4 to 6 metres. Weather: Cloudy.

Forecast for Wednesday 10 June

Winds: Westerly 10 to 15 knots turning northwesterly in the morning. Seas: Below 1 metre. Swell: Southwesterly 3 to 5 metres, decreasing to 2.5 to 3 metres by early evening. Weather: Cloudy. 90% chance of showers.

Forecast for Thursday 11 June

Winds: Northwesterly 10 to 15 knots turning west to southwesterly 15 to 25 knots during the day. Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore during the morning. Swell: Southwesterly 2 to 3 metres. Weather: Cloudy. Near 100% chance of showers.

The next routine forecast will be issued at 1:01 pm WST Tuesday.

* 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