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BoM Grass Patch Marine Weather Forecast

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Other WA Coastal Waters Forecasts

Forecast for Wednesday, 29 July
Weather: Cloudy.
Winds: North to northeasterly below 10 knots increasing to 10 to 15 knots in the evening.
Seas: Below 0.5 metres.
Swell: Southwesterly 3 to 4 metres, decreasing to 2 to 3 metres during the morning. Below 0.5 metres, tending south to southeasterly 1 to 1.5 metres during the morning.
Forecast for Thursday, 30 July
Weather: Sunny.
Winds: Northerly 10 to 15 knots turning west to northwesterly below 10 knots in the late morning and early afternoon then becoming north to northwesterly in the late afternoon.
Seas: Around 1 metre.
Swell: Southwesterly 2 to 2.5 metres. Southeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Forecast for Friday, 31 July
Weather: Becoming cloudy. 90% chance of showers. The chance of a thunderstorm in the afternoon.
Winds: Northwesterly 15 to 20 knots turning west to southwesterly 20 to 25 knots during the afternoon.
Seas: Below 1 metre, increasing to 1 to 2 metres during the morning.
Swell: Southwesterly 2 to 3 metres, increasing to 3 to 4 metres during the afternoon.

Forecast for Wednesday, 29 July
Weather: Partly cloudy.
Winds: Northeasterly 10 to 15 knots decreasing to about 10 knots in the early afternoon.
Seas: Below 1 metre.
Swell: Southwesterly 1 to 2 metres inshore, increasing to 2 to 3 metres offshore.
Forecast for Thursday, 30 July
Weather: Mostly sunny.
Winds: North to northeasterly 10 to 15 knots tending north to northwesterly in the middle of the day then becoming variable below 10 knots in the early afternoon.
Seas: Below 1 metre.
Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2.5 metres offshore.
Forecast for Friday, 31 July
Weather: Becoming cloudy. 90% chance of showers. The chance of a thunderstorm in the afternoon.
Winds: Northwesterly 15 to 20 knots turning southwesterly during the afternoon.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
Swell: Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres during the morning.

Forecast for Wednesday, 29 July
Weather: Partly cloudy.
Winds: Variable about 10 knots becoming northeasterly 10 to 15 knots in the evening.
Seas: Below 1 metre.
Swell: Southwesterly 3 to 4 metres, decreasing to 2 to 3 metres around midday. Below 0.5 metres, tending southerly 1 to 2 metres around midday.
Forecast for Thursday, 30 July
Weather: Partly cloudy.
Winds: Northeasterly 10 to 15 knots turning northerly before dawn. Winds reaching up to 20 knots east of Hopetoun in the evening.
Seas: Around 1 metre.
Swell: Southwesterly 1.5 to 2.5 metres. Southerly 1 to 1.5 metres, tending southeasterly around 1 metre during the morning.
Forecast for Friday, 31 July
Weather: Sunny.
Winds: North to northwesterly 15 to 20 knots.
Seas: 1 to 1.5 metres, decreasing below 1 metre during the afternoon or evening.
Swell: Southwesterly 2 to 3 metres, increasing to 2.5 to 4 metres west of Hopetoun during the afternoon.

Forecast for Wednesday, 29 July
Weather: Cloudy.
Winds: Variable about 10 knots becoming east to northeasterly 10 to 15 knots in the late afternoon.
Seas: Below 1 metre.
Swell: Southerly 2 to 4 metres. Below 0.5 metres, tending southerly 1 to 2 metres around midday.
Forecast for Thursday, 30 July
Weather: Partly cloudy.
Winds: North to northeasterly 10 to 15 knots, reaching up to 20 knots west of Eyre in the late evening.
Seas: Below 1 metre.
Swell: South to southwesterly 2 to 3 metres, decreasing to 2 metres during the afternoon, then tending southwesterly 2 metres by early evening. Southerly 1 to 1.5 metres, tending southeasterly below 1 metre during the morning.
Forecast for Friday, 31 July
Weather: Sunny.
Winds: North to northeasterly 15 to 20 knots.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the afternoon.
Swell: Southwesterly 1.5 to 2 metres.

Forecast for Wednesday, 29 July
Weather: Sunny.
Winds: Easterly 10 to 15 knots, reaching up to 20 knots offshore south of Denham during the morning. Winds tending northeasterly in the morning then becoming variable about 10 knots in the early afternoon.
Seas: 1 to 1.5 metres, decreasing below 1 metre during the afternoon.
Swell: South to southwesterly 2 to 2.5 metres.
Forecast for Thursday, 30 July
Weather: Sunny.
Winds: Variable about 10 knots becoming southeast to southwesterly 10 to 15 knots in the early morning then becoming variable about 10 knots in the middle of the day.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 to 2.5 metres.
Forecast for Friday, 31 July
Weather: Sunny.
Winds: Southeast to southwesterly 10 to 15 knots.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 to 2.5 metres.

Forecast for Wednesday, 29 July
Weather: Sunny.
Winds: Easterly 15 to 20 knots tending northeasterly in the morning then becoming variable about 10 knots in the early afternoon.
Seas: Around 1 metre, decreasing below 0.5 metres during the afternoon.
Swell: Southwesterly 1.5 to 2.5 metres.
Forecast for Thursday, 30 July
Weather: Sunny.
Winds: East to northeasterly about 10 knots tending north to northeasterly 10 to 15 knots in the early morning then becoming variable below 10 knots in the early afternoon.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 to 2 metres.
Forecast for Friday, 31 July
Weather: Sunny.
Winds: Variable about 10 knots.
Seas: Below 0.5 metres.
Swell: Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres during the morning.

Forecast for Wednesday, 29 July
Weather: Sunny.
Winds: East to northeasterly 15 to 20 knots decreasing to about 10 knots in the middle of the day.
Seas: Around 1 metre, decreasing below 0.5 metres during the afternoon.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Thursday, 30 July
Weather: Mostly sunny.
Winds: Northeasterly 10 to 15 knots tending northerly in the morning then becoming variable below 10 knots in the early afternoon.
Seas: Below 1 metre.
Swell: Southwesterly 2 metres.
Forecast for Friday, 31 July
Weather: Mostly sunny.
Winds: North to northeasterly below 10 knots tending north to northwesterly 10 to 15 knots during the morning then turning west to southwesterly during the afternoon.
Seas: Below 1 metre.
Swell: Southwesterly 2 metres, increasing to 2 to 3 metres during the morning.

Forecast for Wednesday, 29 July
Weather: Partly cloudy.
Winds: East to northeasterly about 10 knots tending north to northeasterly 10 to 15 knots in the early morning.
Seas: Below 1 metre.
Swell: Southwesterly 2 to 3 metres. South to southeasterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore east of Cape Leeuwin during the morning.
Forecast for Thursday, 30 July
Weather: Partly cloudy.
Winds: Northerly 10 to 15 knots turning northwesterly during the morning.
Seas: Below 1 metre.
Swell: Southwesterly 2 to 2.5 metres. Southeasterly around 1 metre.
Forecast for Friday, 31 July
Weather: Partly cloudy. 95% chance of showers. The chance of a thunderstorm in the morning and afternoon.
Winds: Northwesterly 15 to 25 knots turning southwesterly 20 to 25 knots during the afternoon.
Seas: Around 1 metre, increasing to 1 to 2 metres during the morning.
Swell: Southwesterly 2 to 3 metres, increasing to 3 to 4 metres during the morning.

Forecast for Wednesday, 29 July
Weather: Sunny.
Winds: East to southeasterly 10 to 15 knots tending east to northeasterly in the middle of the day then becoming variable about 10 knots in the evening.
Seas: Below 0.5 metres, increasing to around 1 metre north of Coral Bay during the morning.
Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Forecast for Thursday, 30 July
Weather: Sunny.
Winds: Variable about 10 knots becoming east to southeasterly 10 to 15 knots in the morning then becoming variable about 10 knots in the early afternoon.
Seas: Below 1 metre.
Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Forecast for Friday, 31 July
Weather: Sunny.
Winds: South to southeasterly about 10 knots increasing to 10 to 15 knots during the morning.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore south of Coral Bay.

Forecast for Wednesday, 29 July
Weather: Sunny.
Winds: East to southeasterly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing to 1 metre by early evening.
Swell: East to northeasterly below 1 metre.
Forecast for Thursday, 30 July
Weather: Sunny.
Winds: East to southeasterly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: East to northeasterly below 1 metre.
Forecast for Friday, 31 July
Weather: Sunny.
Winds: East to southeasterly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: East to northeasterly below 1 metre.

Forecast for Wednesday, 29 July
Weather: Mostly sunny.
Winds: Easterly 10 to 15 knots turning northeasterly 15 to 20 knots in the early morning.
Seas: Around 1 metre, decreasing below 0.5 metres by early evening.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Thursday, 30 July
Weather: Mostly sunny.
Winds: Northeasterly 10 to 15 knots turning north to northwesterly below 10 knots in the late morning.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 to 2 metres.
Forecast for Friday, 31 July
Weather: Mostly sunny. 70% chance of showers. The chance of a thunderstorm.
Winds: Northerly 10 to 15 knots shifting southwesterly 15 to 20 knots during the evening.
Seas: Below 0.5 metres, increasing to around 1 metre during the morning.
Swell: Southwesterly 2 metres, increasing to 2 to 3 metres during the morning.

Forecast for Wednesday, 29 July
Weather: Sunny.
Winds: East to southeasterly 15 to 20 knots, reaching up to 25 knots offshore in the late morning. Winds tending east to northeasterly in the early afternoon then tending east to southeasterly 10 to 15 knots in the late evening.
Seas: Around 1 metre, increasing to 1 to 2 metres during the morning.
Swell: East to northeasterly around 1 metre west of Port Hedland.
Forecast for Thursday, 30 July
Weather: Sunny.
Winds: Southeasterly 15 to 20 knots turning easterly in the morning. Winds reaching up to 25 knots offshore in the late morning.
Seas: Around 1 metre, increasing to 1 to 2 metres during the morning.
Swell: East to northeasterly around 1 metre.
Forecast for Friday, 31 July
Weather: Sunny.
Winds: Southeasterly 15 to 20 knots tending easterly during the morning then becoming variable about 10 knots during the evening.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: East to northeasterly below 1 metre, increasing to around 1 metre west of Port Hedland.

Forecast for Wednesday, 29 July
Weather: Sunny.
Winds: East to southeasterly 15 to 20 knots turning northeasterly in the early afternoon.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: West to southwesterly around 1 metre offshore.
Forecast for Thursday, 30 July
Weather: Sunny.
Winds: East to northeasterly 10 to 15 knots tending east to southeasterly before dawn then tending east to northeasterly in the middle of the day. Winds reaching up to 20 knots offshore east of Barrow Island during the morning and early afternoon.
Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore east of Barrow Island during the morning.
Swell: West to southwesterly around 1 metre offshore. North to northeasterly around 1 metre.
Forecast for Friday, 31 July
Weather: Sunny.
Winds: East to southeasterly 10 to 15 knots tending east to northeasterly during the day then becoming variable below 10 knots during the evening.
Seas: Around 1 metre.
Swell: West to southwesterly around 1 metre offshore.

Forecast for Wednesday, 29 July
Weather: Sunny.
Winds: East to southeasterly 10 to 15 knots, reaching up to 20 knots offshore south of Cape Leveque during the morning and early afternoon. Winds becoming variable about 10 knots in the late afternoon then becoming southeasterly 10 to 15 knots in the late evening.
Seas: 1 to 1.5 metres, decreasing below 1 metre during the afternoon.
Swell: Westerly below 1 metre.
Forecast for Thursday, 30 July
Weather: Sunny.
Winds: Southeasterly 10 to 15 knots, reaching up to 20 knots offshore south of Cape Leveque during the morning and early afternoon. Winds tending easterly in the morning then becoming variable about 10 knots in the late 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.
Forecast for Friday, 31 July
Weather: Sunny.
Winds: South to southeasterly 10 to 15 knots tending east to southeasterly during the morning then becoming variable about 10 knots during the day.
Seas: Around 1 metre.
Swell: North to northeasterly below 1 metre.
Salmon Gums Res.Stn.
▲ N
Calm
· 8 °C
Warnings
No warnings within 100 km.
State Wide
View all WA warnings
Temperature
Grass Patch
8 °C 16 °C 1pm 3 °C 4am
↓ Cooling
Now: 8 °C
Weather Now for Grass Patch
8 °C
Feels like 7 °C
Wind
Calm E
Humidity
100%
At Salmon Gums Res.Stn.
Nearby Wind
50 km radius
N S W E Calm Salmon Gums Res.Stn.
Grass Patch
Calm E
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