BoM Perth (Coastal) Marine Weather Forecast


Bureau of Meteorology (BoM) Weather Forecasts

Weather Situation for Northern Western Australia
A ridge lies over the north of the State, with a trough near the Gascoyne coast moving east on Thursday, lingering inland and keeping winds light about the Pilbara coast. Easterly winds persist about the north Kimberley coast.
Weather Situation for Southern and Central Western Australia
A ridge sits over southern WA today, followed by a cold front that will move across the southwest on Thursday, and another on Friday. A new ridge begins developing over the southwest from the weekend.
Weather Situation for Perth and Melville Local Waters
A ridge sits over Local Waters, ahead of a cold front on Thursday and another on Friday.
Melville Waters Forecast
Local Waters Forecast for Melville Waters
Issued: Wednesday, 22 April 1:01PM
Forecast for Wednesday, 22 April
Winds: West to northwesterly below 10 knots.
Swell:
Weather: Mostly sunny.
Forecast for Thursday, 23 April
Winds: West to northwesterly 10 to 15 knots tending west to southwesterly below 10 knots in the late morning and early afternoon.
Swell:
Weather: Partly cloudy. 90% chance of showers.
Forecast for Friday, 24 April
Winds: Variable below 10 knots.
Swell:
Weather: Partly cloudy.
Forecast for Saturday, 25 April
Winds: Variable below 10 knots.
Swell:
Weather: Sunny.
Forecast for Sunday, 26 April
Winds: East to southeasterly below 10 knots becoming southerly during the afternoon then becoming east to southeasterly during the evening.
Swell:
Weather: Partly cloudy. The chance of a thunderstorm in the morning.
Perth Local Waters Forecast
Local Waters Forecast for Perth Local Waters
Issued: Wednesday, 22 April 1:01PM
Forecast for Wednesday, 22 April
Winds: West to northwesterly about 10 knots increasing to 15 to 20 knots in the late evening.
Seas: Below 1 metre.
Swell: West to southwesterly 1.5 to 2 metres.
Weather: Mostly sunny.
Forecast for Thursday, 23 April
Winds: West to northwesterly 20 to 25 knots, reaching up to 30 knots early in the morning. Winds tending west to southwesterly 15 to 20 knots in the morning then decreasing to about 10 knots in the late afternoon.
Seas: Below 1 metre, increasing to 1 to 2 metres during the morning, then decreasing below 1 metre during the afternoon.
Swell: West to southwesterly 1.5 to 2.5 metres.
Weather: Partly cloudy. 90% chance of showers.
Forecast for Friday, 24 April
Winds: West to southwesterly about 10 knots becoming south to southeasterly in the evening.
Seas: Below 1 metre.
Swell: West to southwesterly 2 to 3 metres.
Weather: Partly cloudy.
Forecast for Saturday, 25 April
Winds: East to southeasterly about 10 knots tending southerly 10 to 15 knots during the afternoon then tending southeasterly during the evening.
Seas: Around 1 metre.
Swell: Southwesterly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon or evening.
Weather: Sunny.
Forecast for Sunday, 26 April
Winds: East to southeasterly 10 to 15 knots tending south to southeasterly during the morning then turning easterly during the evening.
Seas: Around 1 metre.
Swell: Southwesterly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon.
Weather: Partly cloudy. The chance of a thunderstorm in the morning.
Perth and Melville Local Waters Forecast
Local Waters Forecast for Perth and Melville Local Waters
Issued: Wednesday, 22 April 1:01PM

Weather Situation for Northern Western Australia
A ridge lies over the north of the State, with a trough near the Gascoyne coast moving east on Thursday, lingering inland and keeping winds light about the Pilbara coast. Easterly winds persist about the north Kimberley coast.
Weather Situation for Southern and Central Western Australia
A ridge sits over southern WA today, followed by a cold front that will move across the southwest on Thursday, and another on Friday. A new ridge begins developing over the southwest from the weekend.
North Kimberley Coast: WA-NT Border to Kuri Bay Forecast
Local Waters Forecast for North Kimberley Coast: WA-NT Border to Kuri Bay
Issued: Wednesday, 22 April 1:01PM
Forecast for Wednesday, 22 April
Winds: Easterly 15 to 20 knots.
Seas: 1 to 1.5 metres, decreasing to 1 metre by early evening.
Swell: Westerly below 1 metre.
Weather: Mostly sunny.
Forecast for Thursday, 23 April
Winds: Easterly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: East to northeasterly around 1 metre.
Weather: Partly cloudy. 50% chance of showers. The chance of a thunderstorm in the morning.
Forecast for Friday, 24 April
Winds: Easterly 15 to 25 knots.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres during the morning.
Swell: Northeasterly around 1 metre.
Weather: Sunny.
Forecast for Saturday, 25 April
Winds: East to southeasterly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: Northeasterly around 1 metre.
Weather: Mostly sunny.
West Kimberley Coast: Kuri Bay to Wallal Forecast
Local Waters Forecast for West Kimberley Coast: Kuri Bay to Wallal
Issued: Wednesday, 22 April 1:01PM
Forecast for Wednesday, 22 April
Winds: Variable about 10 knots.
Seas: Below 1 metre.
Swell: Westerly below 1 metre.
Weather: Sunny.
Forecast for Thursday, 23 April
Winds: Variable about 10 knots.
Seas: Below 1 metre.
Swell: Westerly below 1 metre.
Weather: Mostly sunny.
Forecast for Friday, 24 April
Winds: Variable about 10 knots becoming east to northeasterly 10 to 15 knots in the morning then becoming variable about 10 knots in the late afternoon.
Seas: Below 0.5 metres, increasing to below 1 metre north of Broome.
Swell: North to northeasterly below 1 metre.
Weather: Mostly sunny.
Forecast for Saturday, 25 April
Winds: Easterly 10 to 15 knots becoming variable about 10 knots during the afternoon.
Seas: Around 1 metre.
Swell: North to northeasterly below 1 metre.
Weather: Mostly sunny.
Pilbara Coast East: Wallal to Cape Preston Forecast
Local Waters Forecast for Pilbara Coast East: Wallal to Cape Preston
Issued: Wednesday, 22 April 1:01PM
Forecast for Wednesday, 22 April
Winds: East to northeasterly 10 to 15 knots tending northwest to northeasterly in the late afternoon then becoming variable about 10 knots in the evening.
Seas: Below 1 metre.
Swell: Westerly below 1 metre.
Weather: Mostly sunny.
Forecast for Thursday, 23 April
Winds: Variable about 10 knots.
Seas: Below 0.5 metres.
Swell: Westerly below 1 metre.
Weather: Mostly sunny.
Forecast for Friday, 24 April
Winds: Variable about 10 knots.
Seas: Below 1 metre.
Swell: Westerly below 1 metre.
Weather: Partly cloudy.
Forecast for Saturday, 25 April
Winds: East to northeasterly 10 to 15 knots tending east to southeasterly during the morning then tending east to northeasterly during the afternoon.
Seas: Around 1 metre.
Swell: Westerly below 1 metre.
Weather: Partly cloudy.
Pilbara Coast West: Cape Preston to North West Cape Forecast
Local Waters Forecast for Pilbara Coast West: Cape Preston to North West Cape
Issued: Wednesday, 22 April 1:01PM
Forecast for Wednesday, 22 April
Winds: Variable about 10 knots becoming northwest to southwesterly 10 to 15 knots in the evening then tending south to southwesterly in the late evening.
Seas: Below 1 metre.
Swell: West to southwesterly around 1 metre inshore, increasing to 1.5 to 2 metres about offshore western waters.
Weather: Sunny.
Forecast for Thursday, 23 April
Winds: Southeast to southwesterly 10 to 15 knots, reaching up to 20 knots west of Onslow during the morning and early afternoon. Winds tending northwest to southwesterly in the late afternoon then tending south to southwesterly in the evening.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing to 1 metre around midday.
Swell: West to southwesterly around 1 metre inshore, increasing to 1 to 2 metres about offshore western waters.
Weather: Mostly sunny.
Forecast for Friday, 24 April
Winds: Southeast to southwesterly 10 to 15 knots becoming variable about 10 knots in the middle of the day.
Seas: Below 0.5 metres, increasing to below 1 metre west of Onslow.
Swell: West to southwesterly below 1 metre inshore, increasing to 1 to 2 metres about offshore western waters.
Weather: Partly cloudy.
Forecast for Saturday, 25 April
Winds: Northeast to southeasterly 10 to 15 knots decreasing to about 10 knots during the morning.
Seas: Below 1 metre.
Swell: West to southwesterly around 1 metre inshore, increasing to 1 to 2 metres about offshore western waters.
Weather: Partly cloudy.
Ningaloo Coast: North West Cape to Cape Cuvier Forecast
Local Waters Forecast for Ningaloo Coast: North West Cape to Cape Cuvier
Issued: Wednesday, 22 April 1:01PM
Forecast for Wednesday, 22 April
Winds: Southerly 10 to 15 knots, reaching up to 20 knots offshore south of Coral Bay in the evening.
Seas: Around 1 metre.
Swell: Southwesterly 2 to 3 metres.
Weather: Sunny.
Forecast for Thursday, 23 April
Winds: Southerly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 1.5 to 2.5 metres.
Weather: Partly cloudy.
Forecast for Friday, 24 April
Winds: Southerly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 1.5 to 2.5 metres.
Weather: Partly cloudy. The chance of a thunderstorm offshore south of Coral Bay in the early morning.
Forecast for Saturday, 25 April
Winds: South to southeasterly 15 to 20 knots tending east to southeasterly 10 to 15 knots during the morning.
Seas: 1 to 1.5 metres, decreasing below 1 metre during the morning.
Swell: Southwesterly 2 to 2.5 metres.
Weather: Partly cloudy. 50% chance of showers.
Gascoyne Coast: Cape Cuvier to Kalbarri Forecast
Local Waters Forecast for Gascoyne Coast: Cape Cuvier to Kalbarri
Issued: Wednesday, 22 April 1:01PM
Forecast for Wednesday, 22 April
Winds: Southwesterly about 10 knots increasing to 10 to 15 knots in the early afternoon.
Seas: Below 1 metre.
Swell: Southwesterly 2 to 3 metres.
Weather: Partly cloudy.
Forecast for Thursday, 23 April
Winds: Southwesterly 10 to 15 knots turning southerly during the morning.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 to 2.5 metres.
Weather: Partly cloudy.
Forecast for Friday, 24 April
Winds: South to southeasterly 15 to 20 knots increasing to 15 to 25 knots in the late afternoon.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning, increasing to 1.5 to 2 metres south of Denham during the afternoon.
Swell: Southwesterly 2 to 3 metres.
Weather: Partly cloudy. The chance of a thunderstorm in the early morning.
Forecast for Saturday, 25 April
Winds: South to southeasterly 15 to 20 knots.
Seas: 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning.
Swell: Southwesterly 2 to 3 metres.
Weather: Partly cloudy.
Geraldton Coast: Kalbarri to Jurien Bay Forecast
Local Waters Forecast for Geraldton Coast: Kalbarri to Jurien Bay
Issued: Wednesday, 22 April 1:01PM
Forecast for Wednesday, 22 April
Winds: Southwesterly 10 to 15 knots turning westerly in the late evening.
Seas: Below 1 metre.
Swell: Southwesterly 2 to 3 metres.
Weather: Mostly sunny.
Forecast for Thursday, 23 April
Winds: Westerly 10 to 15 knots, reaching up to 20 knots offshore south of Geraldton during the morning. Winds shifting south to southeasterly below 10 knots in the late afternoon.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning.
Swell: Southwesterly 2 to 3 metres.
Weather: Partly cloudy. 50% chance of showers. The chance of a thunderstorm inshore in the early morning.
Forecast for Friday, 24 April
Winds: South to southeasterly about 10 knots increasing to 15 to 20 knots in the early morning.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the afternoon.
Swell: Southwesterly 2.5 to 3 metres.
Weather: Partly cloudy.
Forecast for Saturday, 25 April
Winds: Southeasterly 15 to 25 knots.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres offshore.
Swell: Southwesterly 2 to 3 metres, decreasing to 2 metres during the evening.
Weather: Mostly sunny.
Lancelin Coast: Jurien Bay to Two Rocks Forecast
Local Waters Forecast for Lancelin Coast: Jurien Bay to Two Rocks
Issued: Wednesday, 22 April 1:01PM
Forecast for Wednesday, 22 April
Winds: Variable below 10 knots becoming westerly 10 to 15 knots in the early afternoon. Winds reaching up to 20 knots offshore in the late evening.
Seas: Below 1 metre.
Swell: Southwesterly 2.5 to 3 metres.
Weather: Partly cloudy.
Forecast for Thursday, 23 April
Winds: Northwest to southwesterly 15 to 20 knots, reaching up to 25 knots offshore during the morning. Winds becoming southwesterly 10 to 15 knots in the middle of the day then becoming westerly below 10 knots in the late evening.
Seas: Around 1 metre, increasing to 1 to 2 metres during the morning, then decreasing below 1 metre during the afternoon.
Swell: Southwesterly 2 to 3 metres inshore, increasing to 3 to 4 metres offshore during the morning.
Weather: Cloudy. 70% chance of showers.
Forecast for Friday, 24 April
Winds: West to southwesterly below 10 knots tending south to southwesterly 10 to 15 knots in the early morning then tending south to southeasterly in the late afternoon.
Seas: Below 1 metre.
Swell: Southwesterly 2.5 to 3 metres inshore, increasing to 3 to 4 metres offshore.
Weather: Partly cloudy.
Forecast for Saturday, 25 April
Winds: Southeasterly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the afternoon or evening.
Swell: Southwesterly 2 to 3 metres.
Weather: Sunny.
Perth Coast: Two Rocks to Dawesville Forecast
Local Waters Forecast for Perth Coast: Two Rocks to Dawesville
Issued: Wednesday, 22 April 1:01PM
Forecast for Wednesday, 22 April
Winds: Variable about 10 knots becoming west to northwesterly 15 to 20 knots in the evening.
Seas: Below 1 metre.
Swell: Southwesterly 2.5 to 3 metres.
Weather: Partly cloudy.
Forecast for Thursday, 23 April
Winds: Northwesterly 20 to 25 knots increasing to 30 knots before turning west to southwesterly 15 to 25 knots early in the morning.
Seas: 1.5 to 2.5 metres, decreasing below 1 metre during the afternoon.
Swell: Southwesterly 2 to 3 metres.
Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm in the early morning.
Forecast for Friday, 24 April
Winds: Westerly 10 to 15 knots turning south to southwesterly below 10 knots during the morning.
Seas: Below 1 metre.
Swell: Southwesterly 3 to 4 metres, decreasing to 3 metres during the morning.
Weather: Partly cloudy.
Forecast for Saturday, 25 April
Winds: South to southeasterly 15 to 20 knots.
Seas: Around 1 metre.
Swell: Southwesterly 2 to 3 metres.
Weather: Mostly sunny.
Bunbury Geographe Coast: Dawesville to Cape Naturaliste Forecast
Local Waters Forecast for Bunbury Geographe Coast: Dawesville to Cape Naturaliste
Issued: Wednesday, 22 April 1:01PM
Forecast for Wednesday, 22 April
Winds: Northwesterly 15 to 20 knots, reaching up to 25 knots offshore in the late evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore by early evening.
Swell: Southwesterly 1.5 to 2 metres inshore, increasing to 2 to 3 metres offshore.
Weather: Cloudy.
Forecast for Thursday, 23 April
Winds: Northwesterly 20 to 25 knots, reaching up to 30 knots during the morning. Winds tending westerly 15 to 25 knots in the early morning then decreasing to 10 to 15 knots in the middle of the day.
Seas: 2 to 3 metres, decreasing below 1 metre during the afternoon.
Swell: Westerly 2 to 3 metres, increasing to 2.5 to 4 metres during the morning.
Weather: Partly cloudy. 95% chance of showers. The chance of a thunderstorm in the early morning.
Forecast for Friday, 24 April
Winds: Westerly 10 to 15 knots turning southwesterly below 10 knots in the early afternoon.
Seas: Below 1 metre.
Swell: Southwesterly 2 to 3 metres inshore, increasing to 2.5 to 4 metres offshore.
Weather: Partly cloudy.
Forecast for Saturday, 25 April
Winds: Variable below 10 knots becoming southerly 10 to 15 knots during the afternoon then tending southeasterly during the evening.
Seas: Below 1 metre.
Swell: Southwesterly 2 to 3 metres.
Weather: Partly cloudy.
Leeuwin Coast: Cape Naturaliste to Walpole Forecast
Local Waters Forecast for Leeuwin Coast: Cape Naturaliste to Walpole
Issued: Wednesday, 22 April 1:01PM
Forecast for Wednesday, 22 April
Winds: Northwesterly 15 to 25 knots, reaching up to 30 knots in the late evening.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres offshore.
Swell: Westerly 2.5 to 3 metres.
Weather: Cloudy. 50% chance of showers.
Forecast for Thursday, 23 April
Winds: Northwesterly 25 to 30 knots, reaching up to 35 knots during the morning. Winds tending westerly 20 to 30 knots in the early morning then decreasing to 15 to 25 knots in the middle of the day.
Seas: 2 to 3 metres, decreasing to 1 to 2 metres around midday.
Swell: Westerly 2.5 to 3 metres inshore, increasing to 3 to 4 metres offshore.
Weather: Partly cloudy. Near 100% chance of showers. The chance of a thunderstorm in the early morning.
Forecast for Friday, 24 April
Winds: Westerly 15 to 25 knots turning southwesterly 10 to 15 knots in the late afternoon.
Seas: 1 to 2 metres, decreasing to 1 metre by early evening.
Swell: Southwesterly 2.5 to 3 metres inshore, increasing to 3 to 4 metres offshore.
Weather: Partly cloudy. 70% chance of showers.
Forecast for Saturday, 25 April
Winds: West to southwesterly about 10 knots.
Seas: Below 1 metre.
Swell: Southwesterly 2 to 3 metres inshore, increasing to 2.5 to 4 metres offshore.
Weather: Partly cloudy.
Albany Coast: Walpole to Bremer Bay Forecast
Local Waters Forecast for Albany Coast: Walpole to Bremer Bay
Issued: Wednesday, 22 April 1:01PM
Forecast for Wednesday, 22 April
Winds: Northwest to northeasterly 10 to 15 knots, reaching up to 25 knots offshore west of Albany in the late evening.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the afternoon.
Swell: West to southwesterly 1.5 to 2 metres inshore, increasing to 2.5 to 3 metres offshore.
Weather: Mostly sunny.
Forecast for Thursday, 23 April
Winds: North to northwesterly 15 to 25 knots tending northwest to southwesterly 20 to 30 knots before dawn then tending westerly 15 to 25 knots in the early afternoon. Winds reaching up to 35 knots in the late morning.
Seas: 1 to 1.5 metres, increasing to 2 to 3 metres during the morning.
Swell: West to southwesterly 1.5 to 2.5 metres inshore, increasing to 2.5 to 4 metres offshore.
Weather: Partly cloudy. 80% chance of showers.
Forecast for Friday, 24 April
Winds: West to northwesterly 15 to 20 knots increasing to 25 knots before tending west to southwesterly 15 to 20 knots in the late morning and afternoon.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres during the morning.
Swell: Southwesterly 2 to 3 metres inshore, increasing to 3 to 4 metres offshore.
Weather: Partly cloudy. 70% chance of showers.
Forecast for Saturday, 25 April
Winds: West to southwesterly 10 to 15 knots becoming variable below 10 knots during the morning.
Seas: Around 1 metre, decreasing below 0.5 metres during the morning.
Swell: Southwesterly 2 to 3 metres inshore, increasing to 2.5 to 4 metres offshore.
Weather: Partly cloudy.
Esperance Coast: Bremer Bay to Israelite Bay Forecast
Local Waters Forecast for Esperance Coast: Bremer Bay to Israelite Bay
Issued: Wednesday, 22 April 1:01PM
Forecast for Wednesday, 22 April
Winds: Northeasterly 15 to 20 knots, reaching up to 25 knots east of Esperance in the evening.
Seas: Around 1 metre, increasing to 1.5 metres east of Esperance by early evening.
Swell: Southwesterly 2 to 3 metres.
Weather: Sunny.
Forecast for Thursday, 23 April
Winds: North to northeasterly 15 to 25 knots, reaching up to 30 knots west of Esperance in the late morning and early afternoon. Winds shifting west to southwesterly in the early afternoon.
Seas: 1 to 2 metres, increasing to 2 to 3 metres west of Hopetoun during the morning.
Swell: Southwesterly 2 to 3 metres.East to southeasterly below 1 metre, increasing to 1 to 1.5 metres east of Esperance during the morning.
Weather: Partly cloudy. The chance of a thunderstorm east of Hopetoun in the morning and early afternoon.
Forecast for Friday, 24 April
Winds: Variable about 10 knots becoming northwest to northeasterly 10 to 15 knots in the morning then tending west to southwesterly 15 to 20 knots in the middle of the day.
Seas: Around 1 metre, increasing to 1 to 1.5 metres west of Hopetoun during the morning.
Swell: Southwesterly 2 to 3 metres.
Weather: Partly cloudy.
Forecast for Saturday, 25 April
Winds: Southwesterly 10 to 15 knots becoming variable about 10 knots during the day.
Seas: Below 1 metre.
Swell: Southwesterly 2 to 3 metres.
Weather: Partly cloudy.
Eucla Coast: Israelite Bay to WA-SA Border Forecast
Local Waters Forecast for Eucla Coast: Israelite Bay to WA-SA Border
Issued: Wednesday, 22 April 1:01PM
Forecast for Wednesday, 22 April
Winds: East to northeasterly 15 to 20 knots increasing to 20 to 25 knots in the evening.
Seas: Below 1 metre, increasing to 1 to 2 metres during the afternoon.
Swell: Southwesterly 2 to 2.5 metres.
Weather: Sunny.
Forecast for Thursday, 23 April
Winds: North to northeasterly 15 to 25 knots tending northwest to southwesterly 10 to 15 knots in the late afternoon then tending southeast to southwesterly 15 to 20 knots in the evening.
Seas: 1 to 2 metres, decreasing to 1 to 1.5 metres around midday.
Swell: Southwesterly 1.5 to 2.5 metres, decreasing to 1.5 metres around midday.Northeast to southeasterly around 1 metre.
Weather: Partly cloudy. 60% chance of showers west of Eyre, near zero chance elsewhere. The chance of a thunderstorm west of Eyre.
Forecast for Friday, 24 April
Winds: South to southeasterly 15 to 20 knots tending east to southeasterly 10 to 15 knots in the early morning then tending southeast to southwesterly in the middle of the day.
Seas: 1 to 1.5 metres, decreasing below 1 metre during the morning.
Swell: Southwesterly 1.5 metres, increasing to 1.5 to 2 metres during the morning.
Weather: Partly cloudy. The chance of a thunderstorm.
Forecast for Saturday, 25 April
Winds: Southerly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres east of Eyre during the afternoon.
Swell: Southwesterly 1.5 to 2 metres.
Weather: Partly cloudy. The chance of a thunderstorm.