Australian Government

Bureau of Meteorology


Coastal Waters Forecast 

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IDW11120

Australian Government Bureau of Meteorology
Western Australia

Coastal Waters Forecast for Western Australia
Northern Zones: NT-WA Border to North West Cape

Issued at 4:00 am WST on Wednesday 11 September 2024
for the period until midnight WST Friday 13 September 2024.

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 strong high pressure system moving in the Bight will direct an east to southeast wind surge northwards, pushing the surface trough towards the Pilbara and Kimberley coasts.

North Kimberley Coast: WA-NT Border to Kuri Bay

Forecast for Wednesday 11 September until midnight

Winds: Variable about 10 knots becoming northwest to northeasterly 10 to 15 knots in the middle of the day then tending west to northwesterly in the late afternoon. Seas: Below 1 metre. Swell: Westerly below 1 metre. Weather: Sunny.

Forecast for Thursday 12 September

Winds: Variable about 10 knots becoming west to northwesterly 10 to 15 knots in the early afternoon then decreasing to about 10 knots in the evening. Seas: Below 1 metre. Swell: Westerly below 1 metre. Weather: Sunny.

Forecast for Friday 13 September

Winds: Southeast to southwesterly 10 to 15 knots tending northeast to southeasterly during the morning then tending southeast to southwesterly during the evening. Seas: Below 1 metre. Swell: Westerly below 1 metre. Weather: Sunny.

West Kimberley Coast: Kuri Bay to Wallal

Forecast for Wednesday 11 September until midnight

Winds: Variable about 10 knots becoming west to southwesterly 10 to 15 knots in the early afternoon then decreasing to about 10 knots in the late evening. Seas: Below 1 metre. Swell: Below 0.5 metres. Weather: Mostly sunny.

Forecast for Thursday 12 September

Winds: Southeast to southwesterly 15 to 20 knots tending northwest to southwesterly 10 to 15 knots in the middle of the day then tending southeast to southwesterly in the late evening. Seas: Around 1 metre. Swell: Westerly below 1 metre. Weather: Mostly sunny.

Forecast for Friday 13 September

Winds: Southeast to southwesterly 15 to 20 knots tending northeast to southeasterly during the morning then becoming variable about 10 knots during the day. Seas: 1 to 1.5 metres, decreasing below 1 metre during the afternoon. Swell: Westerly below 1 metre. Weather: Sunny.

Pilbara Coast East: Wallal to Cape Preston

Forecast for Wednesday 11 September until midnight

Winds: Variable about 10 knots becoming east to southeasterly 10 to 15 knots in the morning then becoming variable about 10 knots in the middle of the day. Seas: Below 1 metre. Swell: Westerly below 1 metre. Weather: Sunny.

Forecast for Thursday 12 September

Winds: South to southeasterly 15 to 20 knots tending east to southeasterly 15 to 25 knots early in the morning then becoming variable about 10 knots in the early afternoon. Seas: Below 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing below 1 metre during the afternoon. Swell: Westerly below 1 metre. Weather: Sunny.

Forecast for Friday 13 September

Winds: South to southeasterly 15 to 20 knots tending east to southeasterly during the morning then becoming variable about 10 knots during the afternoon. Seas: 1 to 1.5 metres, decreasing below 1 metre during the afternoon. Swell: Westerly below 1 metre. Weather: Sunny.

Pilbara Coast West: Cape Preston to North West Cape

Forecast for Wednesday 11 September until midnight

Winds: Southerly 10 to 15 knots becoming variable about 10 knots in the middle of the day then becoming west to southwesterly 10 to 15 knots in the late afternoon. Seas: Around 1 metre. Swell: West to southwesterly around 1 metre offshore. Weather: Sunny.

Forecast for Thursday 12 September

Winds: Southeast to southwesterly 10 to 15 knots, reaching up to 20 knots east of Barrow Island during the morning and early afternoon. Winds tending east to northeasterly in the morning then shifting west to southwesterly below 10 knots in the evening. Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing below 1 metre during the afternoon. Swell: West to southwesterly around 1 metre offshore. Weather: Sunny.

Forecast for Friday 13 September

Winds: South to southeasterly 10 to 15 knots becoming variable about 10 knots during the day then becoming west to southwesterly 10 to 15 knots during the evening. Seas: Below 1 metre. Swell: West to southwesterly around 1 metre offshore. Weather: Sunny.

The next routine forecast will be issued at 4:00 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