Gascoyne Coastal Waters Forecast: Cape Cuvier to Kalbarri

View the current warnings for Western Australia

Forecast issued at 1:01 pm WST on Tuesday 9 June 2026.

Weather Situation

A cold front is weakening across the north and east early this morning. A further cold front is brushing the south coast of the state during this morning. A ridge will establish itself later today and through Wednesday. An approaching cold front and trough on Thursday will produce a cloud band over northern parts of the Geraldton and through Gascoyne waters, weakening and moving east on Friday.

Forecast for Tuesday until midnight

Winds
South to southwesterly 10 to 15 knots decreasing to about 10 knots in the evening.
Seas
Below 1 metre.
Swell
Southwesterly 2.5 to 4 metres.
Weather
Partly cloudy.

Wednesday 10 June

Winds
Variable about 10 knots.
Seas
Below 1 metre.
Swell
Southwesterly 3 to 5 metres, decreasing to 2.5 to 3 metres by early evening.
Weather
Partly cloudy. 60% chance of showers.

Thursday 11 June

Winds
North to northwesterly 10 to 15 knots increasing to 15 to 25 knots in the morning then shifting south to southwesterly 15 to 20 knots in the evening.
Seas
Below 1 metre, increasing to 1 to 2 metres during the morning.
Swell
Southwesterly 2 to 3 metres.
Weather
Cloudy. Near 100% chance of rain. The chance of a thunderstorm in the late afternoon and evening.

Friday 12 June

Winds
Southerly 15 to 20 knots turning southeasterly during the morning.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres offshore.
Swell
Southwesterly 2 to 3 metres inshore, increasing to 3 to 4 metres offshore south of Denham during the morning.
Weather
Partly cloudy. 70% 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 7:01 pm WST Tuesday.

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