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 4:00 pm WST on Thursday 21 October 2021
for the period until midnight WST Sunday 24 October 2021.

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 ridge over the Gascoyne coast drifts southwards to lie over the south of the State on Friday. A high develops in the Bight over the weekend as a trough deepens near the west coast late on Saturday.

Ningaloo Coast: North West Cape to Cape Cuvier

Forecast for Thursday 21 October until midnight

Strong Wind Warning for Thursday for Ningaloo Coast

Winds: Southerly 20 to 30 knots. Seas: 1.5 to 2.5 metres. Swell: Southwesterly 2 to 2.5 metres. Weather: Clear.

Forecast for Friday 22 October

Strong Wind Warning for Friday for Ningaloo Coast

Winds: South to southeasterly 20 to 30 knots. Seas: 2 to 2.5 metres, decreasing to 1.5 metres around midday, then increasing to 1.5 to 2.5 metres during the afternoon. Swell: Southwesterly 2 to 3 metres. Weather: Sunny.

Forecast for Saturday 23 October

Winds: Southerly 20 to 30 knots tending southeast to southwesterly 15 to 25 knots before dawn. Seas: 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the morning. Swell: Southwesterly 2.5 to 3 metres inshore, increasing to 2.5 to 4 metres offshore south of Coral Bay. Weather: Sunny.

Forecast for Sunday 24 October

Winds: Southerly 15 to 20 knots turning southwesterly 10 to 15 knots during the morning. Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning. Swell: Southwesterly 2 to 2.5 metres. Weather: Sunny.

Gascoyne Coast: Cape Cuvier to Kalbarri

Forecast for Thursday 21 October until midnight

Winds: Southerly 15 to 25 knots. Seas: Around 1 metre, increasing to 1 to 1.5 metres by early evening. Swell: Southwesterly 2 to 3 metres. Weather: Partly cloudy.

Forecast for Friday 22 October

Strong Wind Warning for Friday for Gascoyne Coast

Winds: South to southeasterly 20 to 25 knots, reaching up to 30 knots in the evening. Seas: 1 to 2 metres. Swell: Southwesterly 2 to 3 metres inshore, increasing to 3 to 4 metres offshore during the morning. Weather: Cloud clearing.

Forecast for Saturday 23 October

Winds: South to southeasterly 20 to 30 knots decreasing to 15 to 25 knots before dawn. Seas: 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the morning. Swell: Southwesterly 2.5 to 4 metres, decreasing to 2 to 3 metres during the morning. Weather: Sunny.

Forecast for Sunday 24 October

Winds: South to southeasterly 15 to 20 knots tending south to southwesterly during the morning. Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning. Swell: Southwesterly 1.5 to 2.5 metres. Weather: Sunny.

Geraldton Coast: Kalbarri to Jurien Bay

Forecast for Thursday 21 October until midnight

Winds: Southerly 10 to 15 knots, reaching up to 20 knots offshore north of Geraldton in the late evening. Seas: Around 1 metre. Swell: Southwesterly 2.5 to 3 metres. Weather: Cloudy.

Forecast for Friday 22 October

Winds: South to southeasterly 15 to 25 knots. Seas: Around 1 metre, increasing to 1 to 1.5 metres during the afternoon. Swell: Southwesterly 2.5 to 3 metres, increasing to 2.5 to 4 metres during the morning. Weather: Partly cloudy.

Forecast for Saturday 23 October

Winds: Southeasterly 15 to 25 knots turning southerly 15 to 20 knots in the middle of the day. Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning. Swell: Southwesterly 2 to 3 metres inshore, increasing to 2 to 4 metres offshore south of Geraldton. Weather: Sunny.

Forecast for Sunday 24 October

Winds: Southeasterly 15 to 20 knots becoming variable about 10 knots during the morning then becoming south to southwesterly 15 to 20 knots during the day. Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore. Swell: Southwesterly 1.5 to 2 metres. Weather: Mostly sunny.

Lancelin Coast: Jurien Bay to Two Rocks

Forecast for Thursday 21 October until midnight

Winds: Southwesterly 10 to 15 knots tending southerly in the evening. Seas: Around 1 metre. Swell: Southwesterly 3 metres. Weather: Cloudy.

Forecast for Friday 22 October

Winds: South to southeasterly 15 to 20 knots. Seas: Around 1 metre. Swell: Southwesterly 3 metres, increasing to 3 to 5 metres during the morning. Weather: Partly cloudy.

Forecast for Saturday 23 October

Winds: Southeasterly 15 to 20 knots turning southerly in the early afternoon. Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning. Swell: Southwesterly 3 to 4 metres, decreasing to 2 to 3 metres during the morning. Weather: Sunny.

Forecast for Sunday 24 October

Winds: Southeasterly 10 to 15 knots tending northeast to southeasterly during the morning then tending south to southwesterly during the day. Seas: Around 1 metre. Swell: Southwesterly 2 to 2.5 metres. Weather: Mostly sunny.

Perth Coast: Two Rocks to Dawesville

Forecast for Thursday 21 October until midnight

Winds: Southwesterly 10 to 15 knots. Seas: Around 1 metre. Swell: Southwesterly 3 metres. Weather: Partly cloudy.

Forecast for Friday 22 October

Winds: Southeast to southwesterly 10 to 15 knots tending east to southeasterly in the morning then turning southerly in the late morning. Seas: Below 1 metre. Swell: Southwesterly 3 to 5 metres. Weather: Partly cloudy.

Forecast for Saturday 23 October

Winds: South to southeasterly 10 to 15 knots tending east to southeasterly early in the morning then turning southerly in the late morning. Seas: Around 1 metre. Swell: Southwesterly 3 to 4 metres, decreasing to 2.5 to 3 metres during the morning. Weather: Sunny.

Forecast for Sunday 24 October

Winds: Southeasterly 10 to 15 knots turning east to northeasterly below 10 knots during the morning then tending southwesterly 10 to 15 knots during the day. Seas: Around 1 metre. Swell: Southwesterly 2 metres. Weather: Partly cloudy.

Bunbury Geographe Coast: Dawesville to Cape Naturaliste

Forecast for Thursday 21 October until midnight

Winds: Southwesterly 15 to 20 knots. Seas: 1 to 1.5 metres. Swell: Southwesterly 2 to 3 metres inshore, increasing to 3 to 4 metres offshore. Weather: Partly cloudy.

Forecast for Friday 22 October

Winds: South to southwesterly 10 to 15 knots tending west to southwesterly in the early afternoon then turning southerly in the afternoon. Seas: Below 1 metre. Swell: Southwesterly 3 to 5 metres. Weather: Partly cloudy.

Forecast for Saturday 23 October

Winds: Southeasterly 10 to 15 knots becoming variable about 10 knots early in the morning then becoming southeast to southwesterly 10 to 15 knots in the early afternoon. Seas: Below 1 metre. Swell: Southwesterly 2.5 to 4 metres, decreasing to 2 to 3 metres during the morning. Weather: Mostly sunny.

Forecast for Sunday 24 October

Winds: Southeasterly 10 to 15 knots becoming variable below 10 knots during the morning then becoming southwesterly 10 to 15 knots during the afternoon. Seas: Below 1 metre. Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore. Weather: Partly cloudy.

The next routine forecast will be issued at 4:00 am WST Friday.

* 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