BoM Perth Marine Weather Forecast


Bureau of Meteorology (BoM) Weather Forecasts

Melville Waters Forecast
Local Waters Forecast for Melville Waters
Issued: Sunday, 19 August 4:00PM
Weather Situation
A strong ridge of high pressure has established itself in the south of the state, with a trough along the west coast. On Sunday night and Monday the trough will lie along the northwest coastline and will gradually move eastwards through northern waters during Monday and Tuesday.
Forecast for Sunday, 19 August
Winds: East to northeasterly below 10 knots.
Swell:
Weather: Clear.
Forecast for Monday, 20 August
Winds: East to northeasterly 10 to 15 knots tending north to northwesterly 15 to 20 knots in the late morning then becoming easterly about 10 knots in the late afternoon.
Swell:
Weather: Mostly sunny morning. The chance of a thunderstorm in the late afternoon and evening.
Forecast for Tuesday, 21 August
Winds: Westerly about 10 knots tending southwesterly 15 to 20 knots in the middle of the day then tending southerly 10 to 15 knots in the evening.
Swell:
Weather: Cloudy. 90% chance of showers.
Forecast for Wednesday, 22 August
Winds: South to southeasterly about 10 knots increasing to 10 to 15 knots during the day.
Swell:
Weather: Partly cloudy.
Forecast for Thursday, 23 August
Winds: East to southeasterly below 10 knots becoming southerly during the day then becoming easterly during the evening.
Swell:
Weather: Mostly sunny.
Perth Local Waters Forecast
Local Waters Forecast for Perth Local Waters
Issued: Sunday, 19 August 4:00PM
Weather Situation
A strong ridge of high pressure has established itself in the south of the state, with a trough along the west coast. On Sunday night and Monday the trough will lie along the northwest coastline and will gradually move eastwards through northern waters during Monday and Tuesday.
Forecast for Sunday, 19 August
Winds: Southerly 10 to 15 knots becoming easterly in the evening.
Seas: Below 1 metre.
Swell: West to southwesterly 1 to 1.5 metres.
Weather: Clear.
Forecast for Monday, 20 August
Winds: Northeasterly 15 to 20 knots becoming north to northwesterly 15 to 20 knots around midday then becoming southwesterly 10 to 15 knots in the evening. Winds reaching up to 25 knots during the morning.
Seas: Around 1 metre, increasing to 1 to 2 metres during the morning.
Swell: West to southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres by early evening.
Weather: Mostly sunny morning. The chance of a thunderstorm in the late afternoon and evening.
Forecast for Tuesday, 21 August
Winds: Westerly 15 to 20 knots turning south to southwesterly 20 to 30 knots in the evening.
Seas: 1 to 1.5 metres, increasing to 2.5 to 3 metres during the afternoon.
Swell: Southwesterly 1.5 to 2 metres.
Weather: Cloudy. 90% chance of showers.
Forecast for Wednesday, 22 August
Winds: South to southeasterly 15 to 20 knots, reaching up to 25 knots during the early morning.
Seas: 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the morning.
Swell: Southwesterly 2 to 3 metres, increasing to 2.5 to 4 metres during the afternoon.
Weather: Partly cloudy.
Forecast for Thursday, 23 August
Winds: Southeasterly 10 to 15 knots tending southerly during the afternoon.
Seas: Around 1 metre.
Swell: Southwesterly 2.5 to 4 metres, decreasing to 2 to 3 metres during the morning.
Weather: Partly cloudy.
Perth and Melville Local Waters Forecast
Local Waters Forecast for Perth and Melville Local Waters
Issued: Sunday, 19 August 4:00PM
Weather Situation
A strong ridge of high pressure has established itself in the south of the state, with a trough along the west coast. On Sunday night and Monday the trough will lie along the northwest coastline and will gradually move eastwards through northern waters during Monday and Tuesday.

North Kimberley Coast: WA-NT Border to Kuri Bay Forecast
Local Waters Forecast for North Kimberley Coast: WA-NT Border to Kuri Bay
Issued: Sunday, 19 August 4:00PM
Weather Situation
A strong ridge of high pressure has established itself in the south of the state, with a trough along the west coast. On Sunday night and Monday the trough will lie along the northwest coastline and will gradually move eastwards through northern waters during Monday and Tuesday.
Forecast for Sunday, 19 August
Winds: Southeasterly 10 to 15 knots. Winds tending northeasterly and reaching up to 20 knots west of Kalumburu in the evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres west of Kalumburu.
Swell: Westerly below 1 metre.
Weather: Clear.
Forecast for Monday, 20 August
Winds: East to southeasterly 15 to 25 knots, reaching up to 30 knots during the morning and early afternoon.
Seas: Around 1 metre, increasing to 1.5 to 2.5 metres during the morning.
Swell: Westerly below 1 metre.
Weather: Sunny.
Forecast for Tuesday, 21 August
Winds: Southeasterly 15 to 20 knots tending northeasterly west of Troughton Island. Winds becoming variable about 10 knots in the late evening.
Seas: 1 to 2 metres, decreasing to 1 metre by early evening.
Swell: Westerly below 1 metre.
Weather: Mostly sunny.
Forecast for Wednesday, 22 August
Winds: Variable about 10 knots.
Seas: Below 1 metre.
Swell: Northeasterly below 1 metre.
Weather: Sunny.
West Kimberley Coast: Kuri Bay to Wallal Forecast
Local Waters Forecast for West Kimberley Coast: Kuri Bay to Wallal
Issued: Sunday, 19 August 4:00PM
Weather Situation
A strong ridge of high pressure has established itself in the south of the state, with a trough along the west coast. On Sunday night and Monday the trough will lie along the northwest coastline and will gradually move eastwards through northern waters during Monday and Tuesday.
Forecast for Sunday, 19 August
Winds: Variable about 10 knots.
Seas: Below 1 metre.
Swell: Westerly below 1 metre.
Weather: Clear.
Forecast for Monday, 20 August
Winds: East to southeasterly 10 to 15 knots, reaching up to 20 knots offshore during the morning. Winds tending east to northeasterly in the morning with inshore seabreezes developing in the afternoon.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing below 1 metre during the afternoon.
Swell: Westerly below 1 metre.
Weather: Sunny.
Forecast for Tuesday, 21 August
Winds: Variable about 10 knots with inshore seabreezes 10 to 15 knots in the afternoon.
Seas: Below 1 metre.
Swell: Westerly below 1 metre.
Weather: Sunny.
Forecast for Wednesday, 22 August
Winds: Variable about 10 knots tending south to southwesterly 10 to 15 knots during the afternoon.
Seas: Below 1 metre.
Swell: Westerly below 1 metre.
Weather: Sunny.
Pilbara Coast East: Wallal to Cape Preston Forecast
Local Waters Forecast for Pilbara Coast East: Wallal to Cape Preston
Issued: Sunday, 19 August 4:00PM
Weather Situation
A strong ridge of high pressure has established itself in the south of the state, with a trough along the west coast. On Sunday night and Monday the trough will lie along the northwest coastline and will gradually move eastwards through northern waters during Monday and Tuesday.
Forecast for Sunday, 19 August
Winds: East to northeasterly 10 to 15 knots decreasing to about 10 knots in the evening.
Seas: Around 1 metre.
Swell: Westerly below 1 metre.
Weather: Clear.
Forecast for Monday, 20 August
Winds: East to southeasterly 10 to 15 knots, reaching up to 20 knots offshore during the morning and early afternoon. Winds turning east to northeasterly 10 to 15 knots during the day.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing below 1 metre during the afternoon.
Swell: Westerly below 1 metre.
Weather: Sunny.
Forecast for Tuesday, 21 August
Winds: Variable about 10 knots.
Seas: Below 1 metre.
Swell: Westerly below 1 metre.
Weather: Sunny.
Forecast for Wednesday, 22 August
Winds: South to southwesterly 10 to 15 knots tending south to southeasterly during the morning then becoming variable about 10 knots during the day.
Seas: Below 1 metre.
Swell: Westerly below 1 metre.
Weather: Sunny.
Pilbara Coast West: Cape Preston to North West Cape Forecast
Local Waters Forecast for Pilbara Coast West: Cape Preston to North West Cape
Issued: Sunday, 19 August 4:00PM
Weather Situation
A strong ridge of high pressure has established itself in the south of the state, with a trough along the west coast. On Sunday night and Monday the trough will lie along the northwest coastline and will gradually move eastwards through northern waters during Monday and Tuesday.
Forecast for Sunday, 19 August
Winds: North to northeasterly 10 to 15 knots becoming variable below 10 knots in the late evening.
Seas: 1 to 1.5 metres, decreasing to 1 metre by early evening.
Swell: West to southwesterly around 1 metre inshore, increasing to 1 to 2 metres about offshore western waters.
Weather: Clear.
Forecast for Monday, 20 August
Winds: Variable below 10 knots becoming east to southeasterly 10 to 15 knots early in the morning then tending east to northeasterly in the morning. Winds reaching up to 20 knots offshore east of Barrow Island in the late morning.
Seas: Around 1 metre.
Swell: West to southwesterly around 1 metre inshore, increasing to 1 to 2 metres about offshore western waters.
Weather: Sunny.
Forecast for Tuesday, 21 August
Winds: Variable about 10 knots becoming southerly 10 to 15 knots early in the morning then tending southwesterly 15 to 20 knots in the middle of the day.
Seas: Around 1 metre, increasing to 1 to 1.5 metres about offshore western waters by early evening.
Swell: West to southwesterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore around midday.
Weather: Sunny.
Forecast for Wednesday, 22 August
Winds: South to southeasterly 15 to 20 knots.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the afternoon.
Swell: West to southwesterly below 1 metre inshore, increasing to 1 to 2 metres offshore.
Weather: Sunny.
Ningaloo Coast: North West Cape to Cape Cuvier Forecast
Local Waters Forecast for Ningaloo Coast: North West Cape to Cape Cuvier
Issued: Sunday, 19 August 4:00PM
Weather Situation
A strong ridge of high pressure has established itself in the south of the state, with a trough along the west coast. On Sunday night and Monday the trough will lie along the northwest coastline and will gradually move eastwards through northern waters during Monday and Tuesday.
Forecast for Sunday, 19 August
Winds: Northerly 10 to 15 knots turning west to northwesterly around 10 knots in the evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres inshore.
Swell: Southwesterly 2 metres.
Weather: Clear.
Forecast for Monday, 20 August
Winds: Variable about 10 knots becoming south to southwesterly 10 to 15 knots in the evening.
Seas: Below 1 metre.
Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Weather: Sunny.
Forecast for Tuesday, 21 August
Winds: Southerly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the afternoon.
Swell: Southwesterly 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
Weather: Partly cloudy.
Forecast for Wednesday, 22 August
Winds: South to southeasterly 20 to 25 knots.
Seas: 1.5 to 2.5 metres.
Swell: Southwesterly 2.5 to 3 metres.
Weather: Sunny.
Gascoyne Coast: Cape Cuvier to Kalbarri Forecast
Local Waters Forecast for Gascoyne Coast: Cape Cuvier to Kalbarri
Issued: Sunday, 19 August 4:00PM
Weather Situation
A strong ridge of high pressure has established itself in the south of the state, with a trough along the west coast. On Sunday night and Monday the trough will lie along the northwest coastline and will gradually move eastwards through northern waters during Monday and Tuesday.
Forecast for Sunday, 19 August
Winds: West to northwesterly 10 to 15 knots becoming variable about 10 knots in the late evening.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 to 2 metres.
Weather: Clear.
Forecast for Monday, 20 August
Winds: Variable about 10 knots becoming southwesterly 10 to 15 knots in the middle of the day.
Seas: Below 1 metre.
Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Weather: Sunny.
Forecast for Tuesday, 21 August
Winds: Southwesterly 10 to 15 knots becoming southerly 20 to 25 knots in the late afternoon.
Seas: Around 1 metre, increasing to 1 to 2 metres south of Denham during the afternoon.
Swell: Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres during the morning.
Weather: Partly cloudy.
Forecast for Wednesday, 22 August
Winds: South to southeasterly 20 to 25 knots.
Seas: 1.5 to 2.5 metres.
Swell: Southwesterly 2 to 3 metres inshore, increasing to 2.5 to 4 metres offshore.
Weather: Partly cloudy.
Geraldton Coast: Kalbarri to Jurien Bay Forecast
Local Waters Forecast for Geraldton Coast: Kalbarri to Jurien Bay
Issued: Sunday, 19 August 4:00PM
Weather Situation
A strong ridge of high pressure has established itself in the south of the state, with a trough along the west coast. On Sunday night and Monday the trough will lie along the northwest coastline and will gradually move eastwards through northern waters during Monday and Tuesday.
Forecast for Sunday, 19 August
Winds: Variable about 10 knots.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Weather: Clear.
Forecast for Monday, 20 August
Winds: Variable about 10 knots becoming northerly 10 to 15 knots in the morning then tending west to southwesterly in the middle of the day. Winds reaching up to 20 knots offshore south of Geraldton in the evening.
Seas: Around 1 metre.
Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Weather: Mostly sunny.
Forecast for Tuesday, 21 August
Winds: Southwesterly 15 to 20 knots increasing to 20 to 30 knots late morning or the early afternoon then tending southerly in the late afternoon.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the afternoon.
Swell: Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres during the morning.
Weather: Partly cloudy. 70% chance of showers.
Forecast for Wednesday, 22 August
Winds: Southerly 20 to 25 knots turning southeasterly during the day.
Seas: 1.5 to 2.5 metres.
Swell: Southwesterly 2.5 to 3 metres, increasing to 3 to 4 metres during the morning.
Weather: Partly cloudy.
Lancelin Coast: Jurien Bay to Two Rocks Forecast
Local Waters Forecast for Lancelin Coast: Jurien Bay to Two Rocks
Issued: Sunday, 19 August 4:00PM
Weather Situation
A strong ridge of high pressure has established itself in the south of the state, with a trough along the west coast. On Sunday night and Monday the trough will lie along the northwest coastline and will gradually move eastwards through northern waters during Monday and Tuesday.
Forecast for Sunday, 19 August
Winds: East to southeasterly about 10 knots increasing to 10 to 15 knots in the evening.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Weather: Clear.
Forecast for Monday, 20 August
Winds: East to northeasterly 10 to 15 knots shifting west to southwesterly 15 to 20 knots in the early afternoon.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore around midday.
Weather: Partly cloudy.
Forecast for Tuesday, 21 August
Winds: West to southwesterly 15 to 20 knots tending south to southwesterly 25 to 30 knots during the afternoon and evening.
Seas: 1 to 1.5 metres, increasing to 2 to 3 metres around midday.
Swell: Southwesterly 2 to 3 metres.
Weather: Cloudy. 90% chance of showers.
Forecast for Wednesday, 22 August
Winds: Southerly 20 to 25 knots turning southeasterly 15 to 20 knots during the morning.
Seas: 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the morning.
Swell: Southwesterly 3 metres, increasing to 3 to 4 metres during the morning.
Weather: Partly cloudy.
Perth Coast: Two Rocks to Dawesville Forecast
Local Waters Forecast for Perth Coast: Two Rocks to Dawesville
Issued: Sunday, 19 August 4:00PM
Weather Situation
A strong ridge of high pressure has established itself in the south of the state, with a trough along the west coast. On Sunday night and Monday the trough will lie along the northwest coastline and will gradually move eastwards through northern waters during Monday and Tuesday.
Forecast for Sunday, 19 August
Winds: Easterly about 10 knots increasing to 10 to 15 knots in the evening.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 metres.
Weather: Clear.
Forecast for Monday, 20 August
Winds: East to northeasterly 15 to 20 knots shifting northwesterly at around midday, then becoming westerly in the late afternoon.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: Southwesterly 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
Weather: Mostly sunny morning. The chance of a thunderstorm in the late afternoon and evening.
Forecast for Tuesday, 21 August
Winds: West to southwesterly 15 to 20 knots tending south to southwesterly 25 to 30 knots during the afternoon and evening.
Seas: 1 to 1.5 metres, increasing to 2 to 3 metres around midday.
Swell: Southwesterly 2 to 3 metres.
Weather: Cloudy. 90% chance of showers.
Forecast for Wednesday, 22 August
Winds: Southerly 20 to 25 knots decreasing to 15 to 20 knots in the morning. Winds turning southeasterly 10 to 15 knots during the evening.
Seas: 2 to 2.5 metres, decreasing to 1 to 1.5 metres during the morning.
Swell: Southwesterly 2.5 to 3 metres, increasing to 3 to 4 metres during the morning.
Weather: Partly cloudy.
Bunbury Geographe Coast: Dawesville to Cape Naturaliste Forecast
Local Waters Forecast for Bunbury Geographe Coast: Dawesville to Cape Naturaliste
Issued: Sunday, 19 August 4:00PM
Weather Situation
A strong ridge of high pressure has established itself in the south of the state, with a trough along the west coast. On Sunday night and Monday the trough will lie along the northwest coastline and will gradually move eastwards through northern waters during Monday and Tuesday.
Forecast for Sunday, 19 August
Winds: Easterly 10 to 15 knots.
Seas: Below 1 metre.
Swell: Southwesterly 1 to 1.5 metres.
Weather: Clear.
Forecast for Monday, 20 August
Winds: East to northeasterly 15 to 20 knots shifting westerly in the early afternoon as a change moves through from the west.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
Weather: Sunny morning. The chance of a thunderstorm in the afternoon and evening.
Forecast for Tuesday, 21 August
Winds: West to southwesterly 15 to 20 knots becoming southwesterly to 20 to 30 knots in the middle of the day. Winds tending southerly in the late evening.
Seas: 1 to 2 metres, increasing to 2 to 3 metres around midday.
Swell: Southwesterly 2 to 3 metres.
Weather: Partly cloudy. 90% chance of showers.
Forecast for Wednesday, 22 August
Winds: Southerly 15 to 20 knots. Winds reaching up to 25 knots offshore during the morning.
Seas: 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the morning.
Swell: Southwesterly 2 to 3 metres, increasing to 3 to 5 metres during the morning.
Weather: Partly cloudy.
Leeuwin Coast: Cape Naturaliste to Walpole Forecast
Local Waters Forecast for Leeuwin Coast: Cape Naturaliste to Walpole
Issued: Sunday, 19 August 4:00PM
Weather Situation
A strong ridge of high pressure has established itself in the south of the state, with a trough along the west coast. On Sunday night and Monday the trough will lie along the northwest coastline and will gradually move eastwards through northern waters during Monday and Tuesday.
Forecast for Sunday, 19 August
Winds: East to southeasterly 15 to 20 knots.
Seas: Around 1 metre.
Swell: Southwesterly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Weather: Clear.
Forecast for Monday, 20 August
Winds: Easterly 15 to 20 knots tending north to easterly 10 to 15 knots in the morning then tending northwest to southwesterly 15 to 20 knots in the late evening.
Seas: 1 to 1.5 metres, decreasing to 1 metre 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.
Forecast for Tuesday, 21 August
Winds: Southwesterly 15 to 20 knots increasing to 20 to 30 knots in the morning. Winds east of Windy Harbour tending west to northwesterly 10 to 15 knots during the morning before a change moves through from the west.
Seas: 1 to 2 metres, increasing to 2 to 3 metres during the morning.
Swell: Southwesterly 2.5 to 3 metres.
Weather: Cloudy. 90% chance of showers. The chance of a thunderstorm east of Cape Leeuwin in the morning and afternoon. Possible hail east of Cape Leeuwin in the late afternoon and evening.
Forecast for Wednesday, 22 August
Winds: Southerly 20 to 30 knots decreasing to 10 to 15 knots during the afternoon.
Seas: 2 to 3 metres, decreasing to 1 to 1.5 metres during the afternoon.
Swell: Southwesterly 3 to 5 metres.
Weather: Cloudy. 50% chance of showers.
Albany Coast: Walpole to Bremer Bay Forecast
Local Waters Forecast for Albany Coast: Walpole to Bremer Bay
Issued: Sunday, 19 August 4:00PM
Weather Situation
A strong ridge of high pressure has established itself in the south of the state, with a trough along the west coast. On Sunday night and Monday the trough will lie along the northwest coastline and will gradually move eastwards through northern waters during Monday and Tuesday.
Forecast for Sunday, 19 August
Winds: East to northeasterly 10 to 15 knots.
Seas: Around 1 metre.
Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 2 metres offshore.
Weather: Clear.
Forecast for Monday, 20 August
Winds: East to southeasterly 10 to 15 knots turning northeasterly during the morning. Winds reaching up to 20 knots offshore east of Albany during the afternoon and evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore during the morning.
Swell: Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres around midday.
Weather: Sunny morning. 50% chance of showers in the late afternoon and evening. The chance of a thunderstorm in the afternoon and evening.
Forecast for Tuesday, 21 August
Winds: North to northeasterly 10 to 15 knots shifting southwesterly 20 to 30 knots during the morning as a change moves through from the west.
Seas: 1 to 1.5 metres, increasing to 2 to 3 metres during the morning.
Swell: Southwesterly 2.5 to 3 metres.
Weather: Cloudy. 90% chance of showers. The chance of a thunderstorm. Possible hail in the late afternoon and evening.
Forecast for Wednesday, 22 August
Winds: Southwesterly 20 to 30 knots turning southerly 20 to 25 knots during the evening.
Seas: 2 to 3 metres.
Swell: Southwesterly 3 to 5 metres.
Weather: Cloudy. 70% chance of showers, with possible hail in the morning.
Esperance Coast: Bremer Bay to Israelite Bay Forecast
Local Waters Forecast for Esperance Coast: Bremer Bay to Israelite Bay
Issued: Sunday, 19 August 4:00PM
Weather Situation
A strong ridge of high pressure has established itself in the south of the state, with a trough along the west coast. On Sunday night and Monday the trough will lie along the northwest coastline and will gradually move eastwards through northern waters during Monday and Tuesday.
Forecast for Sunday, 19 August
Winds: Northeasterly 10 to 15 knots, reaching up to 20 knots east of Esperance in the evening.
Seas: Around 1 metre.
Swell: Southwesterly 1.5 to 2 metres.
Weather: Clear.
Forecast for Monday, 20 August
Winds: Northeasterly 10 to 15 knots increasing to 15 to 20 knots in the afternoon and evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the afternoon.
Swell: Southwesterly 1.5 to 2 metres.
Weather: Sunny morning. The chance of a thunderstorm west of Esperance in the afternoon and evening.
Forecast for Tuesday, 21 August
Winds: North to northeasterly 15 to 20 knots shifting southwesterly 20 to 30 knots in the middle of the day as a change moves through from the west.
Seas: 1 to 2 metres, increasing to 2 to 3 metres during the afternoon.
Swell: Southwesterly 2 to 3 metres.
Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm.
Forecast for Wednesday, 22 August
Winds: Southwesterly 25 to 35 knots.
Seas: 2.5 to 3 metres, increasing to 2.5 to 4 metres east of Hopetoun.
Swell: Southwesterly 2 to 3 metres, increasing to 3 to 5 metres during the morning.
Weather: Cloudy. 80% chance of showers. The chance of a thunderstorm in the morning. Possible hail in the morning.
Eucla Coast: Israelite Bay to WA-SA Border Forecast
Local Waters Forecast for Eucla Coast: Israelite Bay to WA-SA Border
Issued: Sunday, 19 August 4:00PM
Weather Situation
A strong ridge of high pressure has established itself in the south of the state, with a trough along the west coast. On Sunday night and Monday the trough will lie along the northwest coastline and will gradually move eastwards through northern waters during Monday and Tuesday.
Forecast for Sunday, 19 August
Winds: Northeasterly 10 to 15 knots.
Seas: Around 1 metre.
Swell: Southwesterly 2 to 2.5 metres.
Weather: Clear.
Forecast for Monday, 20 August
Winds: North to northeasterly 10 to 15 knots tending east to northeasterly in the middle of the day. Winds reaching up to 20 knots west of Eyre in the late evening.
Seas: Around 1 metre.
Swell: Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres during the morning.
Weather: Sunny.
Forecast for Tuesday, 21 August
Winds: Northeasterly 15 to 20 knots tending east to northeasterly 20 to 30 knots in the evening. Winds west of Cocklebiddy tending southwesterly 20 to 30 knots in the late evening as a change moves through from the west.
Seas: Around 1 metre, increasing to 1 to 2 metres by early evening.
Swell: Southwesterly 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
Weather: Mostly sunny. The chance of a thunderstorm west of Eyre in the early morning.
Forecast for Wednesday, 22 August
Winds: Southwesterly 25 to 35 knots increasing to 30 to 40 knots in the evening. Winds east of Cocklebiddy tending north to northwesterly 20 to 25 knots during the morning before a change moves through from the west.
Seas: 1.5 to 2.5 metres, increasing to 2 to 4 metres during the morning.
Swell: Southwesterly 1.5 to 2.5 metres, increasing to 2 to 4 metres during the afternoon.
Weather: Cloudy. 80% chance of showers. The chance of a thunderstorm in the morning and afternoon. Possible hail in the morning.