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BoM Port Bonython Marine Weather Forecast

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Forecast for Friday, 7 August
Weather: Cloudy. 90% chance of rain.
Winds: Northerly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 3 metres.
Forecast for Saturday, 8 August
Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm.
Winds: Northerly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Sunday, 9 August
Weather: Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the early morning.
Winds: Northerly 15 to 20 knots shifting southwesterly 20 to 30 knots early in the morning.
Seas: 1 to 2 metres, increasing to 2 to 3 metres during the morning.
Swell: Southwesterly 2.5 to 3 metres, increasing to 3 to 5 metres during the afternoon.
Forecast for Monday, 10 August
Weather: Cloudy. 95% chance of showers.
Winds: Southwesterly 25 to 30 knots turning west to northwesterly 20 to 30 knots during the morning.
Seas: 2 to 3 metres.
Swell: Southwesterly 4 to 5 metres.

Forecast for Friday, 7 August
Weather: Mostly clear. The chance of a thunderstorm inshore.
Winds: Variable about 10 knots.
Seas: Below 1 metre.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Saturday, 8 August
Weather: Partly cloudy. 95% chance of showers. The chance of a thunderstorm in the evening.
Winds: Variable about 10 knots becoming northwesterly 15 to 25 knots before dawn then tending westerly 20 to 25 knots in the late evening. Winds reaching up to 30 knots in the late evening. Squalls possible with the wind change.
Seas: Below 1 metre, increasing to 1 to 1.5 metres by early evening.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Sunday, 9 August
Weather: Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the morning. Possible small hail in the morning.
Winds: Westerly 25 to 30 knots increasing to 30 to 35 knots in the early morning then tending southwesterly 20 to 30 knots in the morning.
Seas: 2 to 3 metres.
Swell: Southwesterly 2 to 3 metres, increasing to 3 to 4 metres by early evening.
Forecast for Monday, 10 August
Weather: Partly cloudy. 70% chance of showers.
Winds: West to southwesterly 20 to 25 knots tending west to northwesterly 20 to 30 knots during the morning.
Seas: 1.5 to 2.5 metres.
Swell: Southwesterly 2.5 to 4 metres, decreasing to 2.5 to 3 metres during the evening.

Forecast for Friday, 7 August
Weather: Cloudy. 80% chance of showers.
Winds: Northerly 10 to 15 knots, reaching up to 20 knots south of Port Vincent to Brighton in the late evening.
Seas: Below 1 metre.
Swell: South to southwesterly below 1 metre.
Forecast for Saturday, 8 August
Weather: Partly cloudy. 95% chance of showers.
Winds: Northerly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres south of Port Vincent to Brighton during the morning.
Swell: South to southwesterly below 1 metre.
Forecast for Sunday, 9 August
Weather: Cloudy. Near 100% chance of rain. The chance of a thunderstorm in the morning.
Winds: Northerly 15 to 20 knots turning westerly 20 to 25 knots in the morning then increasing to 20 to 30 knots in the late evening.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres around midday.
Swell: South to southwesterly below 1 metre.
Forecast for Monday, 10 August
Weather: Cloudy. 90% chance of showers.
Winds: Westerly 20 to 30 knots tending northwesterly 15 to 20 knots during the afternoon.
Seas: 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the afternoon or evening.
Swell: South to southwesterly below 1 metre.

Forecast for Friday, 7 August
Weather: Cloudy. 90% chance of rain.
Winds: Northerly 15 to 20 knots.
Seas: Around 1 metre.
Swell: West to southwesterly 1 to 2 metres, decreasing to 1 to 1.5 metres by early evening.
Forecast for Saturday, 8 August
Weather: Partly cloudy. 95% chance of showers.
Winds: Northerly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: West to southwesterly 1 to 1.5 metres.
Forecast for Sunday, 9 August
Weather: Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the early morning.
Winds: Northerly 15 to 25 knots shifting west to southwesterly 20 to 30 knots in the late morning.
Seas: 1 to 1.5 metres, increasing to 2 to 3 metres around midday.
Swell: West to southwesterly 1 to 1.5 metres.
Forecast for Monday, 10 August
Weather: Cloudy. 90% chance of showers.
Winds: West to southwesterly 20 to 30 knots turning northwesterly during the afternoon.
Seas: 2 to 3 metres, decreasing to 1.5 to 2 metres during the afternoon.
Swell: West to southwesterly 1 to 2 metres, increasing to 2 to 3 metres during the morning.

Forecast for Friday, 7 August
Weather: Partly cloudy.
Winds: Northerly 10 to 15 knots, reaching up to 20 knots north of Beachport in the late evening.
Seas: Around 1 metre.
Swell: Southwesterly 3 metres.
Forecast for Saturday, 8 August
Weather: Cloudy. 95% chance of showers.
Winds: Northerly 15 to 25 knots, reaching up to 30 knots offshore during the day.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres during the morning.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Sunday, 9 August
Weather: Cloudy. 95% chance of showers. The chance of a thunderstorm in the evening.
Winds: Northerly 15 to 25 knots shifting southwesterly 20 to 30 knots in the evening.
Seas: 1.5 to 2 metres.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Monday, 10 August
Weather: Cloudy. 95% chance of showers.
Winds: Southwesterly 25 to 30 knots turning west to northwesterly 20 to 30 knots during the afternoon.
Seas: 2 to 3 metres, decreasing to 2 metres during the evening.
Swell: Southwesterly 3 to 4 metres.

Forecast for Friday, 7 August
Weather: Cloudy. 90% chance of rain.
Winds: Northerly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Saturday, 8 August
Weather: Mostly sunny. 80% chance of showers. The chance of a thunderstorm.
Winds: Northerly 15 to 20 knots.
Seas: 1 to 1.5 metres, decreasing to 1 metre by early evening.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Sunday, 9 August
Weather: Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the morning.
Winds: Northwesterly 20 to 30 knots turning southwesterly 25 to 30 knots during the morning.
Seas: 1 to 2 metres, increasing to 2 to 3 metres during the morning.
Swell: Southwesterly 2 to 3 metres, increasing to 3 to 4 metres during the afternoon.
Forecast for Monday, 10 August
Weather: Cloudy. 95% chance of showers.
Winds: Southwesterly 25 to 30 knots turning northwesterly 20 to 30 knots during the afternoon.
Seas: 2 to 3 metres.
Swell: Southwesterly 4 to 5 metres. Below 0.5 metres, tending southerly 1 to 1.5 metres during the morning.

Forecast for Friday, 7 August
Weather: Cloudy. 70% chance of showers.
Winds: Northerly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 3 metres.
Forecast for Saturday, 8 August
Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm.
Winds: Northerly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Sunday, 9 August
Weather: Cloudy. Near 100% chance of showers. The chance of a thunderstorm.
Winds: Northerly 15 to 25 knots shifting southwesterly 25 to 30 knots in the late morning.
Seas: 1.5 to 2 metres, increasing to 2 to 3 metres around midday.
Swell: Southwesterly 2.5 metres, increasing to 2.5 to 4 metres around midday.
Forecast for Monday, 10 August
Weather: Cloudy. 95% chance of showers.
Winds: Southwesterly 25 to 30 knots turning west to northwesterly 20 to 30 knots during the morning.
Seas: 2 to 3 metres.
Swell: Southwesterly 4 to 5 metres.

Forecast for Friday, 7 August
Weather: Cloudy. 90% chance of rain.
Winds: Northerly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres near the Yorke Peninsula coast.
Swell: South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Forecast for Saturday, 8 August
Weather: Partly cloudy. 90% chance of showers.
Winds: Northerly 15 to 20 knots, reaching up to 25 knots near the Yorke Peninsula coast in the early afternoon.
Seas: 1 to 1.5 metres.
Swell: South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Forecast for Sunday, 9 August
Weather: Cloudy. Near 100% chance of rain. The chance of a thunderstorm in the morning.
Winds: North to northwesterly 15 to 20 knots turning westerly 20 to 30 knots in the morning.
Seas: 1 to 2 metres, increasing to 2 to 3 metres around midday.
Swell: South to southwesterly below 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo by early evening.
Forecast for Monday, 10 August
Weather: Cloudy. 70% chance of showers.
Winds: West to southwesterly 20 to 30 knots turning northwesterly 15 to 25 knots during the afternoon.
Seas: 2 to 3 metres, decreasing to 1 to 2 metres during the afternoon.
Swell: South to southwesterly 1.5 to 2.5 metres.

Forecast for Friday, 7 August
Weather: Partly cloudy.
Winds: Northerly 10 to 15 knots, reaching up to 20 knots offshore in the late evening.
Seas: Below 1 metre.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Saturday, 8 August
Weather: Cloudy. 95% chance of showers.
Winds: Northerly 15 to 20 knots, reaching up to 30 knots offshore in the late morning.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: Southwesterly 2 to 3 metres.
Forecast for Sunday, 9 August
Weather: Cloudy. Near 100% chance of rain. The chance of a thunderstorm in the late afternoon and evening.
Winds: Northerly 15 to 25 knots shifting west to southwesterly 25 to 30 knots in the late afternoon.
Seas: 1.5 metres, increasing to 2 to 2.5 metres during the afternoon.
Swell: Southwesterly 2 to 3 metres.
Forecast for Monday, 10 August
Weather: Cloudy. 95% chance of showers.
Winds: Southwesterly 25 to 30 knots turning west to northwesterly 20 to 30 knots during the afternoon.
Seas: 2.5 to 3 metres, decreasing to 1.5 to 2 metres during the afternoon or evening.
Swell: Southwesterly 3 metres, increasing to 3 to 4 metres during the morning.

Forecast for Friday, 7 August
Weather: Partly cloudy. 80% chance of showers.
Winds: Northeasterly 10 to 15 knots turning northerly in the late evening.
Seas: Around 1 metre.
Swell: Southwesterly 2.5 metres.
Forecast for Saturday, 8 August
Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm in the evening.
Winds: Northerly 10 to 15 knots turning northwesterly 15 to 20 knots during the day.
Seas: Around 1 metre.
Swell: Southwesterly 2 to 3 metres.
Forecast for Sunday, 9 August
Weather: Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the morning.
Winds: West to northwesterly 20 to 25 knots tending west to southwesterly 25 to 30 knots early in the morning.
Seas: Around 1 metre, increasing to 2 to 3 metres during the morning.
Swell: Southwesterly 2 to 3 metres, increasing to 3 to 4 metres during the afternoon.
Forecast for Monday, 10 August
Weather: Cloudy. 80% chance of showers.
Winds: West to southwesterly 20 to 30 knots turning northwesterly during the day.
Seas: 2 to 3 metres, decreasing to 1.5 to 2 metres during the morning.
Swell: Southwesterly 3 to 5 metres.
Whyalla
▲ N
10 kn NNW
· 19 °C
Warnings
No warnings within 100 km.
State Wide
Marine
View all SA warnings
Temperature
Port Bonython
19 °C 21 °C 2pm 5 °C 4am
↓ Cooling
Now: 19 °C
Tides
Port Bonython
11:03am 2.83m 8:52pm 1.42m
↓ Falling
Current: 1.96m
Weather Now for Port Bonython
Showers.
19 °C
Feels like 14 °C
Wind
10 kn NNW
Humidity
37%
Pressure
1018 hPa
At Whyalla
Nearby Wind
50 km radius
N S W E 10 kn Whyalla 11 kn Port Pirie Aerodrome 11 kn Cultana (Defence)
Port Bonython
10 kn NNW
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 19°
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5 kn NE
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Sun
7:05am rise 5:45pm set
10 h 40 m of daylight
Now: 4:40pm
95 seconds more than yesterday
Moon
1:41amrise 11:52amset
35% illuminated
Last Quarter
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