Gascoyne Coastal Waters Forecast: Cape Cuvier to Kalbarri

View the current warnings for Western Australia

Forecast issued at 7:01 am WST on Saturday 28 March 2026.

Weather Situation

Tropical Cyclone Narelle is tracking south over the far west Gascoyne whilst a ridge lays over southeastern parts. Narelle will weaken later today as it quickly moves south-southeast over the Central West and then further inland and south across the South West Land Division. A cold front will then pass southern WA later Monday into Tuesday, with a ridge building over the Central West in its wake.

Forecast for Saturday until midnight

Winds
Northwesterly 15 to 20 knots, reaching up to 25 knots about Shark Bay during the morning.
Seas
1 to 2 metres, decreasing to 1 metre by early evening.
Swell
Southerly 1 to 1.5 metres inshore, increasing to 1 to 2 metres offshore.
Weather
Partly cloudy. The chance of a thunderstorm in the late afternoon and evening.

Sunday 29 March

Winds
Northwesterly 10 to 15 knots turning west to southwesterly below 10 knots in the afternoon.
Seas
Around 1 metre.
Swell
South to southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Partly cloudy.

Monday 30 March

Winds
Variable about 10 knots becoming southerly 15 to 20 knots during the day.
Seas
Around 1 metre, increasing to 1 to 1.5 metres south of Denham during the afternoon or evening.
Swell
Southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore south of Denham.
Weather
Partly cloudy. 50% chance of showers.

Please be awareWind 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.

Nearby Coastal Waters

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

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