IDW11140
Australian Government Bureau of Meteorology
Western Australia
Issued at 11:14 am WST on Monday 17 March 2025
for the period until midnight WST Wednesday 19 March 2025.
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.
A strong high pressure system is moving into the Bight and will move further east over the next couple of days. A west coast trough will deepen today and will move inland on Tuesday, ahead of a weak cold front passing to the south of the state. A new ridge will develop along the southwest coast on Wednesday.
Winds: East to northeasterly 10 to 15 knots tending east to southeasterly in the early afternoon. Seas: Around 1 metre. 1st Swell: Southwesterly 2 to 2.5 metres. 2nd Swell: East to southeasterly around 1 metre. Weather: Sunny.
Winds: Southeasterly 10 to 15 knots becoming variable about 10 knots before dawn then becoming southerly 10 to 15 knots early in the morning. Winds reaching up to 20 knots offshore north of Cape Leeuwin in the late evening. Seas: Below 1 metre. Swell: Southwesterly 2 metres. Weather: Partly cloudy.
Winds: South to southwesterly 15 to 20 knots tending south to southeasterly during the day. Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore during the morning. Swell: Southwesterly 2 to 3 metres. Weather: Partly cloudy. 60% chance of showers.
Winds: Northeasterly 15 to 20 knots. Seas: 1 to 1.5 metres. Swell: Southerly 2.5 to 3 metres, tending southwesterly 2 to 2.5 metres during the afternoon. Weather: Partly cloudy.
Winds: Northeasterly 10 to 15 knots turning north to northwesterly below 10 knots before dawn then tending southwesterly 10 to 15 knots in the middle of the day. Seas: Around 1 metre. Swell: Southwesterly 2 to 2.5 metres. Weather: Becoming cloudy.
Winds: Southwesterly 15 to 20 knots turning southerly during the morning. Seas: Below 1 metre, increasing to 1 to 1.5 metres during the morning. Swell: Southwesterly 2 to 3 metres. Weather: Partly cloudy. 60% chance of showers.
Winds: East to northeasterly 15 to 20 knots, reaching up to 25 knots east of Esperance in the evening. Seas: 1 to 1.5 metres. Swell: Southerly 2.5 to 3 metres, increasing to 2.5 to 4 metres east of Esperance. Weather: Cloudy.
Winds: North to northeasterly 10 to 15 knots, reaching up to 20 knots west of Esperance early in the morning. Winds becoming variable about 10 knots in the middle of the day then becoming east to northeasterly 10 to 15 knots in the early afternoon. Seas: 1 to 1.5 metres, decreasing below 1 metre during the morning. Swell: Southerly 2 to 3 metres, tending southwesterly 2 metres during the morning. Weather: Mostly sunny.
Winds: North to northeasterly 10 to 15 knots shifting southwesterly 15 to 20 knots during the morning then tending southerly during the afternoon. Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning. Swell: Southwesterly 2 to 2.5 metres. Weather: Partly cloudy.
Winds: Easterly 15 to 20 knots, reaching up to 25 knots east of Eyre early in the morning. Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning. Swell: Southerly 3 to 4 metres, decreasing to 3 metres during the afternoon. Weather: Cloudy.
Winds: East to northeasterly 15 to 20 knots tending east to southeasterly 10 to 15 knots in the middle of the day then tending east to northeasterly 15 to 20 knots in the evening. Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning. Swell: Southerly 2 to 3 metres, decreasing to 2 metres during the afternoon. Weather: Cloud clearing.
Winds: North to northeasterly 10 to 15 knots shifting southerly 15 to 20 knots during the morning. Seas: 1 to 1.5 metres. Swell: South to southwesterly 2 to 2.5 metres. Weather: Partly cloudy.
The next routine forecast will be issued at 4:00 pm WST Monday.
* 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