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BoM Cowalla Marine Weather Forecast

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Mean Sea Level Prognosis Charts

Mean Sea Level Prognosis Charts

Other WA Coastal Waters Forecasts

Forecast for Tuesday, 23 June
Weather: Partly cloudy.
Winds: Variable below 10 knots.
Seas: Below 0.5 metres.
Swell: Southwesterly 2 metres.
Forecast for Wednesday, 24 June
Weather: Partly cloudy.
Winds: North to northeasterly about 10 knots increasing to 10 to 15 knots in the early afternoon.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 to 2 metres.
Forecast for Thursday, 25 June
Weather: Sunny.
Winds: Northerly 15 to 20 knots increasing to 20 to 25 knots in the late evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore during the morning.
Swell: Southwesterly 1.5 to 2.5 metres.
Forecast for Friday, 26 June
Weather: Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the afternoon.
Winds: North to northeasterly 20 to 30 knots tending north to northwesterly during the morning.
Seas: 1.5 to 2.5 metres.
Swell: Southwesterly 2 to 3 metres. Northeast to southeasterly around 1 metre west of Albany.

Forecast for Tuesday, 23 June
Weather: Mostly sunny.
Winds: East to southeasterly about 10 knots.
Seas: Below 1 metre.
Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Forecast for Wednesday, 24 June
Weather: Partly cloudy.
Winds: East to northeasterly about 10 knots tending north to northeasterly 10 to 15 knots in the morning.
Seas: Around 1 metre.
Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Forecast for Thursday, 25 June
Weather: Partly cloudy. 60% chance of showers.
Winds: North to northeasterly 15 to 25 knots becoming northerly 20 to 30 knots in the morning.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2.5 metres offshore.
Forecast for Friday, 26 June
Weather: Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the afternoon.
Winds: Northerly 25 to 35 knots turning west to northwesterly 25 to 30 knots during the morning.
Seas: 2 to 3 metres.
Swell: West to southwesterly 2 to 4 metres.

Forecast for Tuesday, 23 June
Weather: Partly cloudy.
Winds: Variable below 10 knots.
Seas: Below 0.5 metres.
Swell: Southwesterly 2 metres.
Forecast for Wednesday, 24 June
Weather: Partly cloudy.
Winds: Variable about 10 knots becoming north to northeasterly 10 to 15 knots in the morning.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 to 2 metres.
Forecast for Thursday, 25 June
Weather: Mostly sunny.
Winds: North to northeasterly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres west of Hopetoun.
Swell: Southwesterly 1.5 to 2 metres.
Forecast for Friday, 26 June
Weather: Becoming cloudy. 80% chance of showers.
Winds: Northerly 15 to 25 knots increasing to 20 to 30 knots during the morning.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
Swell: Southwesterly 2 to 2.5 metres.

Forecast for Tuesday, 23 June
Weather: Partly cloudy.
Winds: South to southeasterly 10 to 15 knots.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 to 2 metres.
Forecast for Wednesday, 24 June
Weather: Partly cloudy. 60% chance of showers.
Winds: Southeasterly 10 to 15 knots becoming variable about 10 knots in the late evening.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres by early evening.
Forecast for Thursday, 25 June
Weather: Partly cloudy.
Winds: Variable about 10 knots becoming northerly 10 to 15 knots in the morning then tending northeasterly in the middle of the day.
Seas: Below 1 metre.
Swell: Southwesterly 1 to 1.5 metres.
Forecast for Friday, 26 June
Weather: Sunny.
Winds: North to northeasterly 15 to 25 knots increasing to 20 to 30 knots during the evening.
Seas: Around 1 metre, increasing to 1 to 2 metres during the morning.
Swell: Southwesterly 1.5 metres, increasing to 1.5 to 2 metres during the morning.

Forecast for Tuesday, 23 June
Weather: Sunny.
Winds: Southeasterly 10 to 15 knots, reaching up to 20 knots offshore in the late evening.
Seas: Around 1 metre.
Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Forecast for Wednesday, 24 June
Weather: Sunny.
Winds: Easterly 15 to 20 knots becoming variable about 10 knots in the late afternoon then becoming east to southeasterly 10 to 15 knots in the evening.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the afternoon.
Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore south of Denham.
Forecast for Thursday, 25 June
Weather: Sunny.
Winds: East to northeasterly 15 to 20 knots turning north to northwesterly in the early afternoon.
Seas: Below 1 metre, increasing to 1 to 1.5 metres south of Denham during the morning.
Swell: Southwesterly 1 to 1.5 metres.
Forecast for Friday, 26 June
Weather: Cloudy. Near 100% chance of showers.
Winds: Northwesterly 15 to 25 knots turning southwesterly 20 to 30 knots during the day.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres during the morning.
Swell: Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres during the afternoon.

Forecast for Tuesday, 23 June
Weather: Sunny.
Winds: Easterly 10 to 15 knots turning southeasterly in the early afternoon.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Forecast for Wednesday, 24 June
Weather: Sunny.
Winds: East to northeasterly 10 to 15 knots, reaching up to 20 knots offshore north of Geraldton during the morning.
Seas: Around 1 metre.
Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Forecast for Thursday, 25 June
Weather: Sunny.
Winds: Northeasterly 15 to 20 knots turning north to northwesterly 15 to 25 knots in the late morning and early afternoon.
Seas: Below 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.
Forecast for Friday, 26 June
Weather: Cloudy. Near 100% chance of showers.
Winds: North to northwesterly 20 to 30 knots turning westerly during the morning.
Seas: 1.5 to 2.5 metres.
Swell: Southwesterly 1.5 to 2.5 metres, increasing to 2 to 4 metres during the afternoon.

Forecast for Tuesday, 23 June
Weather: Sunny.
Winds: South to southeasterly below 10 knots.
Seas: Below 0.5 metres.
Swell: Southwesterly 2 metres.
Forecast for Wednesday, 24 June
Weather: Sunny.
Winds: Easterly about 10 knots tending northeasterly 10 to 15 knots in the early morning.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Forecast for Thursday, 25 June
Weather: Sunny.
Winds: Northeasterly 15 to 20 knots tending northerly 15 to 25 knots in the morning then increasing to 20 to 30 knots in the late evening.
Seas: Below 1 metre, increasing to 1 to 2 metres during the morning.
Swell: Southwesterly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Forecast for Friday, 26 June
Weather: Cloudy. Near 100% chance of showers.
Winds: North to northwesterly 20 to 30 knots turning westerly during the morning.
Seas: 1.5 to 2.5 metres.
Swell: Southwesterly 2 to 3 metres inshore, increasing to 2.5 to 4 metres offshore during the afternoon.

Forecast for Tuesday, 23 June
Weather: Partly cloudy.
Winds: East to southeasterly about 10 knots.
Seas: Below 0.5 metres.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Wednesday, 24 June
Weather: Partly cloudy.
Winds: East to northeasterly about 10 knots tending northerly 10 to 15 knots in the middle of the day.
Seas: Below 1 metre.
Swell: Southwesterly 2 metres.
Forecast for Thursday, 25 June
Weather: Partly cloudy. 90% chance of showers north of Cape Leeuwin, 50% chance elsewhere.
Winds: Northerly 15 to 25 knots increasing to 20 to 30 knots in the morning.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
Swell: Southwesterly 2 metres, increasing to 2 to 3 metres during the morning.
Forecast for Friday, 26 June
Weather: Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the afternoon and evening.
Winds: Northerly 25 to 35 knots turning northwesterly 20 to 30 knots during the morning.
Seas: 2 to 3 metres.
Swell: West to southwesterly 2 to 3 metres inshore, increasing to 3 to 4 metres offshore during the morning.

Forecast for Tuesday, 23 June
Weather: Sunny.
Winds: East to southeasterly 10 to 15 knots becoming variable about 10 knots in the late afternoon then becoming south to southeasterly 10 to 15 knots in the evening. Winds reaching up to 20 knots offshore south of Coral Bay in the evening.
Seas: Around 1 metre.
Swell: Southwesterly 1.5 metres.
Forecast for Wednesday, 24 June
Weather: Sunny.
Winds: Southeasterly 10 to 15 knots turning easterly 15 to 20 knots before dawn.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing to 1 metre by early evening.
Swell: Southwesterly 1 to 1.5 metres.
Forecast for Thursday, 25 June
Weather: Sunny.
Winds: Northeast to southeasterly 10 to 15 knots tending north to northeasterly in the middle of the day then becoming variable about 10 knots in the late evening.
Seas: Around 1 metre.
Swell: Southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Forecast for Friday, 26 June
Weather: Partly cloudy. 70% chance of showers.
Winds: North to northwesterly 15 to 20 knots shifting south to southwesterly 10 to 15 knots during the afternoon.
Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore south of Coral Bay during the morning.
Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore during the morning.

Forecast for Tuesday, 23 June
Weather: Sunny.
Winds: Northeast to southeasterly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: Westerly below 1 metre.
Forecast for Wednesday, 24 June
Weather: Sunny.
Winds: East to southeasterly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: Westerly below 1 metre.
Forecast for Thursday, 25 June
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: Westerly below 1 metre.
Forecast for Friday, 26 June
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: Below 0.5 metres.

Forecast for Tuesday, 23 June
Weather: Mostly sunny.
Winds: Southeasterly below 10 knots.
Seas: Below 0.5 metres.
Swell: Southwesterly 1.5 to 2 metres.
Forecast for Wednesday, 24 June
Weather: Sunny.
Winds: Easterly about 10 knots tending northeasterly 10 to 15 knots in the early morning.
Seas: Around 1 metre.
Swell: Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres during the morning.
Forecast for Thursday, 25 June
Weather: Sunny.
Winds: North to northeasterly 15 to 25 knots becoming northerly 20 to 30 knots in the late evening.
Seas: Around 1 metre, increasing to 1.5 to 2 metres during the morning.
Swell: Southwesterly 1.5 metres, increasing to 1.5 to 2 metres around midday.
Forecast for Friday, 26 June
Weather: Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the afternoon.
Winds: Northerly 25 to 35 knots turning westerly 20 to 30 knots during the morning.
Seas: 2 to 3 metres.
Swell: Southwesterly 2 metres, increasing to 2 to 4 metres during the morning.

Forecast for Tuesday, 23 June
Weather: Sunny.
Winds: Easterly 10 to 15 knots turning southeasterly in the evening. Winds reaching up to 20 knots offshore in the early afternoon and again in the late evening.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the afternoon.
Swell: Westerly below 1 metre.
Forecast for Wednesday, 24 June
Weather: Sunny.
Winds: East to southeasterly 15 to 20 knots, reaching up to 25 knots offshore west of Port Hedland during the morning. Winds decreasing to about 10 knots in the evening then increasing to 10 to 15 knots in the late evening.
Seas: Below 1 metre, increasing to 1 to 2 metres during the morning, then decreasing to 1 to 1.5 metres during the afternoon.
Swell: Westerly below 1 metre.
Forecast for Thursday, 25 June
Weather: Sunny.
Winds: East to southeasterly 15 to 20 knots tending east to northeasterly below 10 knots during the day.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing to 1 metre by early evening.
Swell: Westerly below 1 metre.
Forecast for Friday, 26 June
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: Westerly below 1 metre.

Forecast for Tuesday, 23 June
Weather: Sunny.
Winds: East to northeasterly 10 to 15 knots, reaching up to 20 knots offshore in the early afternoon. Winds becoming variable about 10 knots in the evening then becoming east to southeasterly 10 to 15 knots in the late evening.
Seas: 1 to 1.5 metres, decreasing below 1 metre by early evening.
Swell: West to southwesterly around 1 metre offshore.
Forecast for Wednesday, 24 June
Weather: Sunny.
Winds: Easterly 15 to 20 knots, reaching up to 25 knots offshore east of Barrow Island during the morning. Winds becoming variable about 10 knots in the evening.
Seas: Around 1 metre, increasing to 1 to 2 metres offshore during the morning.
Swell: West to southwesterly around 1 metre offshore.
Forecast for Thursday, 25 June
Weather: Sunny.
Winds: East to southeasterly 15 to 20 knots turning northeasterly in the late 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 below 1 metre.
Forecast for Friday, 26 June
Weather: Sunny.
Winds: North to northeasterly below 10 knots tending east to northeasterly 10 to 15 knots during the morning then becoming variable about 10 knots during the afternoon.
Seas: Below 1 metre.
Swell: West to southwesterly around 1 metre offshore, increasing to 1 to 1.5 metres during the evening.

Forecast for Tuesday, 23 June
Weather: Sunny.
Winds: Variable about 10 knots, reaching up to 20 knots offshore south of Broome in the late evening.
Seas: Below 1 metre.
Swell: Westerly below 1 metre.
Forecast for Wednesday, 24 June
Weather: Sunny.
Winds: Variable about 10 knots, reaching up to 20 knots south of Cape Leveque during the morning.
Seas: Around 1 metre.
Swell: West to northwesterly below 1 metre.
Forecast for Thursday, 25 June
Weather: Sunny.
Winds: South to southeasterly 10 to 15 knots tending east to southeasterly 15 to 20 knots in the early morning then becoming variable about 10 knots in the early afternoon.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing below 1 metre around midday.
Swell: West to northwesterly below 1 metre.
Forecast for Friday, 26 June
Weather: Sunny.
Winds: East to southeasterly 10 to 15 knots tending east to northeasterly during the day then becoming variable about 10 knots during the afternoon.
Seas: Around 1 metre.
Swell: West to northwesterly below 1 metre.
Lancelin (Defence)
▲ N
4 kn SSE
· 22 °C
Warnings
No warnings within 100 km.
State Wide
View all WA warnings
Temperature
Cowalla
22 °C 22 °C 2pm 7 °C 6am
↓ Cooling
Now: 22 °C
Tides
Lancelin
6:11am 0.74m 7:02pm 0.50m
↓ Falling
Current: 0.55m
Weather Now for Cowalla
Sunny.
22 °C
Feels like 21 °C
Wind
4 kn SSE
Humidity
50%
Pressure
1025 hPa
At Lancelin (Defence)
Nearby Wind
50 km radius
N S W E 4 kn Lancelin (Defence)
Cowalla
4 kn SSE
Recent Locations
Cowalla
4 kn SSE
 22°
Sun
7:16am rise 5:24pm set
10 h 7 m of daylight
Now: 3:19pm
4 seconds more than yesterday
Moon
12:45pm rise 1:04am set
64% illuminated
First Quarter
Live Weather
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4 kn SSE
 22°
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 13°
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2 kn SW
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 13.2 mm
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