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BoM Onslow Marine Weather Forecast

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Forecast for Saturday, 19 September
Weather: Cloudy. 95% chance of showers. The chance of a thunderstorm in the morning and early afternoon, with possible squalls offshore west of Albany this morning.
Winds: Northwesterly 20 to 30 knots, reaching up to 40 knots during the day. Winds turning west to southwesterly 25 to 30 knots during the afternoon and evening.
Seas: 1.5 to 2.5 metres, increasing to 2 to 4 metres during the morning.
Swell: West to southwesterly 1.5 to 2.5 metres, increasing to 3 to 5 metres during the morning, then tending westerly 3 to 5 metres around midday.
Forecast for Sunday, 20 September
Weather: Cloudy. 60% chance of showers.
Winds: Southwesterly 20 to 25 knots, reaching up to 30 knots offshore east of Albany early in the morning. Winds tending southeast to southwesterly 15 to 20 knots in the early morning then tending northeast to southeasterly 10 to 15 knots in the early afternoon.
Seas: 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the morning, then decreasing below 1 metre around midday.
Swell: Westerly 2.5 to 4 metres, tending southwesterly 2.5 to 4 metres during the morning.
Forecast for Monday, 21 September
Weather: Partly cloudy.
Winds: North to northeasterly 15 to 20 knots shifting west to southwesterly 10 to 15 knots during the afternoon.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the afternoon.
Swell: Southwesterly 3 to 4 metres, decreasing to 3 metres during the evening.

Forecast for Saturday, 19 September
Weather: Cloudy. 95% chance of showers. The chance of a thunderstorm early this morning.
Winds: Northwesterly 25 to 30 knots, reaching up to 35 knots offshore early in the morning. Winds tending westerly before dawn then decreasing to 15 to 25 knots in the middle of the day.
Seas: 2 to 3 metres, decreasing to 1 to 1.5 metres during the afternoon.
Swell: Westerly 2 to 3 metres, increasing to 3 to 5 metres during the morning, then tending west to southwesterly 3 to 4 metres during the afternoon.
Forecast for Sunday, 20 September
Weather: Partly cloudy.
Winds: Southwesterly 10 to 15 knots tending southerly in the early morning then becoming variable below 10 knots in the morning.
Seas: Around 1 metre, decreasing below 0.5 metres around midday.
Swell: West to southwesterly 2 to 3 metres inshore, increasing to 2.5 to 4 metres offshore.
Forecast for Monday, 21 September
Weather: Partly cloudy.
Winds: Variable about 10 knots.
Seas: Below 1 metre.
Swell: Southwesterly 2 to 3 metres inshore, increasing to 2.5 to 4 metres offshore.

Forecast for Saturday, 19 September
Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm west of Esperance in the morning and early afternoon.
Winds: Northwest to northeasterly 15 to 20 knots tending west to northwesterly 15 to 25 knots before dawn then becoming westerly 20 to 30 knots in the middle of the day. Winds reaching up to 35 knots west of Hopetoun in the late afternoon.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
Swell: Southwesterly 1.5 to 2.5 metres, increasing to 2 to 4 metres west of Esperance during the afternoon.
Forecast for Sunday, 20 September
Weather: Cloudy. 60% chance of showers.
Winds: West to southwesterly 15 to 25 knots, reaching up to 30 knots east of Esperance early in the morning. Winds shifting east to southeasterly 10 to 15 knots in the late afternoon.
Seas: 2 to 2.5 metres, decreasing to 1 to 1.5 metres during the morning, then decreasing to 1 metre around midday.
Swell: Southwesterly 2 to 4 metres, decreasing to 2 to 3 metres during the morning, then increasing to 3 to 4 metres by early evening.
Forecast for Monday, 21 September
Weather: Partly cloudy.
Winds: Easterly 10 to 15 knots tending northeasterly 15 to 20 knots during the morning then tending northeast to southeasterly during the evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres east of Esperance during the morning.
Swell: Southwesterly 3 to 4 metres, decreasing to 3 metres during the evening.

Forecast for Saturday, 19 September
Weather: Mostly sunny. The chance of a thunderstorm west of Eyre during this afternoon and early evening.
Winds: Northerly 15 to 20 knots shifting south to southwesterly 15 to 25 knots in the late morning and early afternoon. Winds reaching up to 30 knots east of Eyre in the evening.
Seas: 1 to 1.5 metres, decreasing below 1 metre around midday, then increasing to 1 to 1.5 metres by early evening.
Swell: Southwesterly 1 to 1.5 metres, decreasing to around 1 metre during the morning, then increasing to 1 to 1.5 metres during the afternoon.
Forecast for Sunday, 20 September
Weather: Partly cloudy.
Winds: Southwesterly 15 to 25 knots, reaching up to 30 knots west of Eyre early in the morning. Winds turning southeasterly 10 to 15 knots in the evening.
Seas: 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning.
Swell: Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
Forecast for Monday, 21 September
Weather: Partly cloudy.
Winds: East to southeasterly 10 to 15 knots tending east to northeasterly 15 to 20 knots during the morning.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the afternoon or evening.
Swell: Southwesterly 2 to 3 metres.

Forecast for Saturday, 19 September
Weather: Mostly sunny.
Winds: South to southwesterly 15 to 20 knots.
Seas: Around 1 metre.
Swell: Southwesterly 2 to 3 metres inshore, increasing to 2.5 to 4 metres offshore south of Denham.
Forecast for Sunday, 20 September
Weather: Partly cloudy.
Winds: South to southeasterly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore north of Denham.
Swell: Southwesterly 2 to 3 metres inshore, increasing to 2.5 to 4 metres offshore south of Denham.
Forecast for Monday, 21 September
Weather: Sunny.
Winds: Southerly 15 to 20 knots.
Seas: Around 1 metre.
Swell: Southwesterly 2 to 3 metres.

Forecast for Saturday, 19 September
Weather: Partly cloudy.
Winds: Westerly 15 to 20 knots, reaching up to 25 knots offshore south of Geraldton early in the morning. Winds turning south to southwesterly 10 to 15 knots during the afternoon and evening.
Seas: 1 to 2 metres, decreasing to 1 metre during the morning.
Swell: West to southwesterly 2 to 3 metres inshore, increasing to 2.5 to 4 metres offshore.
Forecast for Sunday, 20 September
Weather: Partly cloudy.
Winds: Southerly 10 to 15 knots becoming variable about 10 knots before dawn then becoming southerly 10 to 15 knots in the early afternoon. Winds reaching up to 20 knots inshore in the late evening.
Seas: Below 1 metre.
Swell: Southwesterly 3 to 4 metres, decreasing to 2 to 3 metres during the morning.
Forecast for Monday, 21 September
Weather: Sunny.
Winds: Southerly 10 to 15 knots.
Seas: Around 1 metre.
Swell: Southwesterly 2 to 3 metres.

Forecast for Saturday, 19 September
Weather: Partly cloudy.
Winds: Westerly 15 to 25 knots, reaching up to 30 knots offshore early in the morning. Winds turning southwesterly 10 to 15 knots in the evening.
Seas: 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres around midday.
Swell: Westerly 2 to 4 metres, tending southwesterly 4 metres by early evening.
Forecast for Sunday, 20 September
Weather: Partly cloudy.
Winds: South to southwesterly about 10 knots.
Seas: Below 1 metre.
Swell: Southwesterly 3 to 4 metres, decreasing to 2.5 to 3 metres during the morning.
Forecast for Monday, 21 September
Weather: Mostly sunny.
Winds: Southeasterly about 10 knots tending southerly 10 to 15 knots during the morning.
Seas: Around 1 metre.
Swell: Southwesterly 2.5 to 3 metres.

Forecast for Saturday, 19 September
Weather: Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the morning and early afternoon, with possible squalls this morning.
Winds: Northwesterly 25 to 30 knots, reaching up to 40 knots during the morning and early afternoon. Winds tending westerly 20 to 30 knots in the early morning then tending southwesterly 15 to 25 knots in the late evening.
Seas: 2.5 to 4 metres, decreasing to 2 to 3 metres during the afternoon.
Swell: Westerly 3 to 5 metres.
Forecast for Sunday, 20 September
Weather: Cloudy. 50% chance of showers in the morning.
Winds: South to southwesterly 15 to 20 knots turning southeasterly 10 to 15 knots in the morning then tending northeast to southeasterly in the late afternoon.
Seas: 1 to 2 metres, decreasing below 1 metre during the morning.
Swell: Westerly 3 to 4 metres, tending southwesterly 3 to 4 metres during the morning.
Forecast for Monday, 21 September
Weather: Cloudy.
Winds: Northwest to northeasterly 10 to 15 knots tending west to northwesterly during the morning then turning southwesterly during the afternoon.
Seas: Below 1 metre.
Swell: Southwesterly 3 to 4 metres, decreasing to 3 metres during the afternoon or evening.

Forecast for Saturday, 19 September
Weather: Cloud clearing.
Winds: Southerly 15 to 20 knots, reaching up to 25 knots inshore in the evening.
Seas: Around 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 Sunday, 20 September
Weather: Sunny.
Winds: Southerly 15 to 20 knots, reaching up to 25 knots offshore south of Coral Bay in the evening.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 2 to 3 metres.
Forecast for Monday, 21 September
Weather: Sunny.
Winds: Southerly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 2 to 2.5 metres.

Forecast for Saturday, 19 September
Weather: Mostly sunny.
Winds: Variable about 10 knots becoming northeast to southeasterly 10 to 15 knots in the morning then becoming variable about 10 knots in the late afternoon.
Seas: Below 1 metre.
Swell: Northeasterly around 1 metre.
Forecast for Sunday, 20 September
Weather: Mostly sunny.
Winds: Variable about 10 knots.
Seas: Below 0.5 metres.
Swell: Northeasterly around 1 metre.
Forecast for Monday, 21 September
Weather: Sunny.
Winds: Variable about 10 knots.
Seas: Below 1 metre.
Swell: Westerly below 1 metre.

Forecast for Saturday, 19 September
Weather: Partly cloudy. 70% chance of showers.
Winds: Northwesterly 25 to 30 knots tending westerly 20 to 30 knots before dawn then decreasing to 15 to 25 knots in the middle of the day.
Seas: 2 to 3 metres, decreasing to 1 to 1.5 metres during the afternoon.
Swell: Westerly 2 to 4 metres, tending southwesterly 4 metres by early evening.
Forecast for Sunday, 20 September
Weather: Cloudy. 50% chance of showers.
Winds: Southwesterly 10 to 15 knots turning south to southeasterly below 10 knots in the early morning.
Seas: Around 1 metre.
Swell: Southwesterly 3 to 4 metres, decreasing to 2.5 to 3 metres during the morning.
Forecast for Monday, 21 September
Weather: Partly cloudy.
Winds: South to southeasterly below 10 knots tending south to southwesterly 10 to 15 knots during the afternoon.
Seas: Below 1 metre.
Swell: Southwesterly 3 metres.

Forecast for Saturday, 19 September
Weather: Sunny.
Winds: West to southwesterly 10 to 15 knots tending south to southwesterly in the early morning then turning west to northwesterly in the late morning.
Seas: Below 1 metre.
Swell: Westerly below 1 metre.
Forecast for Sunday, 20 September
Weather: Sunny.
Winds: Westerly 10 to 15 knots tending southwesterly before dawn then turning west to northwesterly in the late morning.
Seas: Below 1 metre.
Swell: Westerly below 1 metre inshore, increasing to 1 to 1.5 metres offshore west of Port Hedland.
Forecast for Monday, 21 September
Weather: Sunny.
Winds: West to southwesterly 10 to 15 knots becoming variable about 10 knots during the day then becoming west to northwesterly 10 to 15 knots during the afternoon.
Seas: Below 1 metre.
Swell: Westerly around 1 metre.

Forecast for Saturday, 19 September
Weather: Sunny.
Winds: Southerly 10 to 15 knots turning west to southwesterly in the early afternoon. Winds reaching up to 20 knots in Exmouth Gulf in the late evening.
Seas: Below 1 metre.
Swell: West to southwesterly 1 to 1.5 metres, increasing to 1 to 2 metres during the morning.
Forecast for Sunday, 20 September
Weather: Sunny.
Winds: Southerly 10 to 15 knots, reaching up to 20 knots offshore west of Barrow Island during the morning. Winds turning southwesterly in the middle of the day.
Seas: 1 to 1.5 metres, decreasing to 1 metre around midday.
Swell: West to southwesterly below 1 metre inshore, increasing to 1.5 to 2.5 metres offshore.
Forecast for Monday, 21 September
Weather: Mostly sunny.
Winds: South to southwesterly 15 to 20 knots.
Seas: Around 1 metre.
Swell: West to southwesterly below 1 metre inshore, increasing to 1 to 2 metres offshore.

Forecast for Saturday, 19 September
Weather: Mostly sunny.
Winds: Variable about 10 knots.
Seas: Below 1 metre.
Swell: Westerly below 1 metre.
Forecast for Sunday, 20 September
Weather: Sunny.
Winds: Variable about 10 knots becoming northwest to southwesterly 10 to 15 knots in the middle of the day.
Seas: Below 1 metre.
Swell: Westerly around 1 metre.
Forecast for Monday, 21 September
Weather: Sunny.
Winds: Variable about 10 knots becoming westerly 10 to 15 knots during the afternoon then decreasing to about 10 knots during the evening.
Seas: Below 1 metre.
Swell: Westerly around 1 metre.
Onslow Airport
▲ N
9 kn SSW
· 19 °C
Warnings
No warnings within 100 km.
State Wide
Marine
View all WA warnings
Temperature
Onslow
19 °C 18 °C 6am 34 °C 2pm
↑ Warming
Now: 19 °C
Tides
Onslow
2:35am 2.21m 9:24am 0.95m
↓ Falling
Current: 1.45m
Weather Now for Onslow
Sunny.
19 °C
Feels like 18 °C
Wind
9 kn SSW
Humidity
79%
Pressure
1019 hPa
At Onslow Airport
Nearby Wind
50 km radius
N S W E 15 kn Thevenard Island
Onslow
9 kn SSW
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Sun
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12 h 2 m of daylight
Now: 6:27am
74 seconds more than yesterday
Moon
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51% illuminated
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