Gascoyne Coastal Waters Forecast: Cape Cuvier to Kalbarri

View the current warnings for Western Australia

Forecast issued at 1:01 pm WST on Monday 3 November 2025.

Weather Situation

A west coast trough is moving offshore, as a low pressure system forms. The trough and low pressure system will remain offshore on Tuesday and deepen, while a ridge over southern WA weakens. The trough and low pressure system will move east across the west coast on Wednesday, before moving further inland on Thursday and weakening. A new ridge will develop over southern WA by Friday.

Forecast for Monday until midnight

Winds
Westerly 15 to 25 knots.
Seas
Around 1 metre, increasing to 1 to 2 metres during the afternoon.
Swell
South to southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Weather
Mostly clear.

Tuesday 4 November

Strong Wind Warning for Tuesday for Gascoyne Coast

Winds
West to northwesterly 15 to 20 knots, reaching up to 30 knots south of Denham in the afternoon.
Seas
1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then increasing to 1.5 to 2.5 metres around midday.
Swell
Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres during the morning.
Weather
Partly cloudy. The chance of a thunderstorm offshore south of Denham in the afternoon and evening.

Wednesday 5 November

Winds
West to northwesterly 20 to 30 knots turning south to southwesterly during the afternoon and evening.
Seas
2 to 3 metres.
Swell
Southwesterly 2 to 3 metres inshore, increasing to 3 to 4 metres offshore.
Weather
Partly cloudy. 70% chance of showers. The chance of a thunderstorm south of Denham in the morning.
Caution
Large and powerful surf conditions until late afternoon are expected to be hazardous for coastal activities such as swimming, surfing and rock fishing.

Thursday 6 November

Winds
Southerly 15 to 25 knots.
Seas
1 to 2 metres.
Swell
Southwesterly 2.5 to 4 metres, decreasing to 2 to 3 metres during the morning.
Weather
Partly cloudy.

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 Monday.

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