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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 pm WST on Thursday 19 September 2019
for the period until midnight WST Sunday 22 September 2019.

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 surface trough extends from the North Interior into the inland Kimberley and towards the western Pilbara coast. A ridge of high pressure will develop over the western Pilbara during Friday.

North Kimberley Coast: WA-NT Border to Kuri Bay

Forecast for Thursday 19 September until midnight

Winds: Northwesterly 10 to 15 knots turning west to southwesterly below 10 knots in the evening. Seas: Below 1 metre. Swell: Westerly below 1 metre. Weather: Clear.

Forecast for Friday 20 September

Winds: West to southwesterly 10 to 15 knots becoming variable about 10 knots before dawn. Seas: Below 1 metre. Swell: Westerly below 1 metre. Weather: Sunny.

Forecast for Saturday 21 September

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

Forecast for Sunday 22 September

Winds: Variable about 10 knots. Seas: Below 1 metre. Swell: Westerly below 1 metre. Weather: Mostly sunny.

West Kimberley Coast: Kuri Bay to Wallal

Forecast for Thursday 19 September until midnight

Winds: Westerly 10 to 15 knots. Seas: Below 1 metre. Swell: Westerly below 1 metre. Weather: Clear.

Forecast for Friday 20 September

Winds: Westerly 10 to 15 knots tending southwesterly early in the morning then tending southeast to southwesterly in the morning. Winds reaching up to 25 knots offshore south of Broome during the morning. 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 Saturday 21 September

Winds: East to southeasterly 15 to 20 knots tending south to southeasterly 10 to 15 knots in the middle of the day then becoming variable about 10 knots in the early afternoon. Seas: 1 to 1.5 metres, decreasing to 1 metre around midday. Swell: Westerly below 1 metre. Weather: Sunny.

Forecast for Sunday 22 September

Winds: East to southeasterly 10 to 15 knots shifting north to northwesterly below 10 knots during the morning then becoming west to northwesterly during the afternoon. Seas: Around 1 metre. Swell: Westerly below 1 metre. Weather: Sunny.

Pilbara Coast East: Wallal to Cape Preston

Forecast for Thursday 19 September until midnight

Winds: Westerly 10 to 15 knots, reaching up to 20 knots west of Port Hedland in the evening. Seas: Around 1 metre, increasing to 1 to 2 metres west of Port Hedland. Swell: Westerly below 1 metre. Weather: Clear.

Forecast for Friday 20 September

Strong Wind Warning for Friday for Pilbara Coast East

Winds: West to southwesterly 15 to 20 knots shifting southeasterly 15 to 25 knots early in the morning then tending northeast to southeasterly 15 to 20 knots in the early afternoon. Winds reaching up to 30 knots during the morning. Seas: 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning, then decreasing to 1 metre during the afternoon. Swell: Westerly below 1 metre. Weather: Sunny.

Forecast for Saturday 21 September

Winds: Southeasterly 15 to 25 knots tending easterly in the morning then becoming variable about 10 knots in the late afternoon. Seas: Below 1 metre, increasing to 1.5 to 2.5 metres during the morning, then decreasing to 1 metre during the afternoon. Swell: Easterly below 1 metre. Weather: Sunny.

Forecast for Sunday 22 September

Winds: Southeasterly 10 to 15 knots tending easterly during the morning then becoming variable about 10 knots during the afternoon. Seas: Around 1 metre. Swell: East to northeasterly below 1 metre. Weather: Sunny.

Pilbara Coast West: Cape Preston to North West Cape

Forecast for Thursday 19 September until midnight

Strong Wind Warning for Thursday for Pilbara Coast West

Winds: Southwesterly 20 to 25 knots, reaching up to 30 knots offshore west of Barrow Island in the late evening. Winds tending southerly in the late evening. Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres offshore. Swell: West to southwesterly 1 to 1.5 metres offshore. Weather: Clear.

Forecast for Friday 20 September

Strong Wind Warning for Friday for Pilbara Coast West

Winds: South to southeasterly 15 to 25 knots, reaching up to 30 knots offshore west of Barrow Island early in the morning. Winds becoming variable about 10 knots in the late afternoon then becoming northwest to southwesterly 10 to 15 knots in the evening. Seas: 1.5 to 2.5 metres, decreasing below 1.5 metres around midday, then decreasing below 1 metre during the afternoon. Swell: West to southwesterly around 1 metre inshore, increasing to 1 to 2 metres about offshore western waters. Weather: Sunny.

Forecast for Saturday 21 September

Winds: Southeast to southwesterly 15 to 20 knots tending east to northeasterly early in the morning then becoming variable about 10 knots in the late afternoon. Seas: Around 1 metre, increasing to 1 to 2 metres during the morning, then decreasing to 1 metre during the afternoon. Swell: West to southwesterly around 1 metre inshore, increasing to 1.5 to 2.5 metres about offshore western waters. Weather: Sunny.

Forecast for Sunday 22 September

Winds: East to southeasterly 10 to 15 knots tending northwest to northeasterly during the day then becoming variable below 10 knots during the evening. Seas: Around 1 metre. Swell: West to southwesterly 1 to 1.5 metres offshore, decreasing to around 1 metre during the afternoon. Weather: Sunny.

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