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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 10:00 pm WST on Wednesday 29 January 2020
for the period until midnight WST Saturday 1 February 2020.

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 will approach the Southwest Capes late Wednesday evening and cross the southwest of the State on Thursday before a new ridge develops to the south of the State on Friday.

Ningaloo Coast: North West Cape to Cape Cuvier

Forecast for Wednesday 29 January until midnight

Winds: Southerly 20 to 25 knots. Seas: 2 metres. Swell: South to southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore north of Coral Bay. Weather: Mostly clear.

Forecast for Thursday 30 January

Strong Wind Warning for Thursday for Ningaloo Coast

Winds: Southerly 20 to 25 knots, reaching up to 30 knots in the evening. Seas: 1.5 to 2.5 metres. Swell: South to southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore north of Coral Bay. Weather: Partly cloudy.

Forecast for Friday 31 January

Winds: Southerly 20 to 30 knots decreasing to 15 to 25 knots before dawn then tending south to southwesterly 20 to 30 knots in the late afternoon. Seas: 2 to 3 metres. Swell: South to southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres during the morning, then tending southwesterly 1.5 to 2 metres around midday. Weather: Partly cloudy.

Forecast for Saturday 1 February

Winds: South to southwesterly 20 to 30 knots. Seas: 1.5 to 2.5 metres. Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore. Weather: Mostly sunny.

Gascoyne Coast: Cape Cuvier to Kalbarri

Forecast for Wednesday 29 January until midnight

Winds: Southerly 15 to 20 knots, reaching up to 25 knots about Shark Bay in the evening. Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres inshore. Swell: South to southwesterly 1 to 1.5 metres. Weather: Mostly clear.

Forecast for Thursday 30 January

Winds: Southerly 15 to 25 knots. Seas: 1.5 to 2 metres. Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore south of Denham around midday. Weather: Partly cloudy.

Forecast for Friday 31 January

Winds: Southerly 15 to 25 knots increasing to 25 to 30 knots in the evening. Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then increasing to 1.5 to 2 metres by early evening. Swell: Southerly 1.5 to 2 metres, tending southwesterly 1.5 to 2.5 metres during the morning. Weather: Partly cloudy.

Forecast for Saturday 1 February

Winds: South to southeasterly 20 to 30 knots. Seas: 2 to 3 metres. Swell: Southwesterly 1.5 to 2 metres, tending southerly 1.5 to 2 metres during the morning. Weather: Mostly sunny.

Geraldton Coast: Kalbarri to Jurien Bay

Forecast for Wednesday 29 January until midnight

Winds: Southwesterly 10 to 15 knots. Seas: Around 1 metre. Swell: Southwesterly 1 to 1.5 metres. Weather: Partly cloudy.

Forecast for Thursday 30 January

Winds: Southerly 15 to 20 knots, reaching up to 25 knots offshore south of Geraldton early in the morning. Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres during the morning. Swell: Southwesterly 1 to 1.5, increasing to 1.5 to 2 metres during the afternoon. Weather: Partly cloudy.

Forecast for Friday 31 January

Winds: South to southeasterly 15 to 25 knots becoming southerly 20 to 30 knots in the late afternoon. Seas: 1 to 2 metres, increasing to 2 to 3 metres during the afternoon. Swell: Southwesterly 1.5 to 2.5 metres. Weather: Partly cloudy.

Forecast for Saturday 1 February

Winds: South to southeasterly 20 to 30 knots. Seas: 2 to 3 metres. Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore. Weather: Sunny.

Lancelin Coast: Jurien Bay to Two Rocks

Forecast for Wednesday 29 January until midnight

Winds: Southwesterly 10 to 15 knots, reaching up to 20 knots offshore in the late evening. Seas: Around 1 metre. Swell: Southwesterly 1.5 metres. Weather: Partly cloudy.

Forecast for Thursday 30 January

Winds: Southwesterly 15 to 20 knots, reaching up to 25 knots offshore early in the morning. Winds turning southerly in the late afternoon. Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres during the morning. Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore. Weather: Partly cloudy.

Forecast for Friday 31 January

Winds: Southeasterly 15 to 20 knots turning southerly in the early afternoon. Seas: 1 to 2 metres. Swell: Southwesterly 2 to 2.5 metres. Weather: Partly cloudy.

Forecast for Saturday 1 February

Winds: South to southeasterly 20 to 30 knots. Seas: 1.5 to 2.5 metres. Swell: Southwesterly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning. Weather: Sunny.

Perth Coast: Two Rocks to Dawesville

Forecast for Wednesday 29 January until midnight

Winds: Westerly 15 to 20 knots turning southerly in the evening. Seas: Around 1 metre. Swell: Southwesterly 1.5 metres. Weather: Partly cloudy.

Forecast for Thursday 30 January

Winds: Southwesterly 20 to 25 knots turning south to southeasterly 15 to 20 knots in the evening. Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres during the morning. Swell: Southwesterly 1.5 metres, increasing to 1.5 to 2 metres around midday. Weather: Partly cloudy.

Forecast for Friday 31 January

Winds: Southeasterly 15 to 20 knots turning southerly in the middle of the day. Seas: 1 to 1.5 metres. Swell: Southwesterly 2 metres. Weather: Partly cloudy.

Forecast for Saturday 1 February

Winds: South to southeasterly 20 to 30 knots. Seas: 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the evening. Swell: Southwesterly 1 to 1.5 metres, decreasing to around 1 metre during the evening. Weather: Sunny.

Bunbury Geographe Coast: Dawesville to Cape Naturaliste

Forecast for Wednesday 29 January until midnight

Winds: Westerly 15 to 20 knots turning southerly in the evening. Seas: Around 1 metre, increasing to 1 to 1.5 metres by early evening. Swell: Southwesterly 1 to 1.5 metres. Weather: Cloudy.

Forecast for Thursday 30 January

Winds: Southwesterly 15 to 25 knots turning south to southeasterly 15 to 20 knots during the afternoon and evening. Seas: 1.5 metres, increasing to 1.5 to 2 metres during the morning. Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore around midday. Weather: Partly cloudy. 60% chance of showers.

Forecast for Friday 31 January

Winds: Southerly 15 to 20 knots. Seas: 1 to 2 metres, decreasing to 1 metre during the morning. Swell: Southwesterly 1.5 to 2.5 metres. Weather: Partly cloudy.

Forecast for Saturday 1 February

Winds: Southeasterly 10 to 15 knots turning south to southwesterly 15 to 25 knots during the morning then tending south to southeasterly 20 to 30 knots during the evening. Seas: Around 1 metre, increasing to 1.5 to 2.5 metres during the afternoon or evening. Swell: Southwesterly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning. Weather: Mostly sunny.

The next routine forecast will be issued at 4:00 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